/* ===== Design tokens — Bento: xám lạnh + kem + vàng pastel + charcoal ===== */
:root {
  /* Nền trang (xám lạnh) + khung "shell" kem nổi */
  --page-bg: #A7ADB8;                 /* nền xám lạnh quanh shell */
  --dashboard-shell: #F2F1EA;         /* màu nền shell (fallback) */
  --bg-grad: linear-gradient(125deg, #ECECEA 0%, #F7F5EC 62%, #F0EAD8 100%);

  /* Bề mặt */
  --surface-primary: #FBF9F1;         /* card chính (kem sáng) */
  --surface-secondary: #F4F0DE;       /* card phụ / input / chip */
  --surface-neutral: #E4E4E3;         /* nền trung tính nhạt */
  --surface-dark: #30302F;            /* card charcoal tương phản */

  /* Alias tương thích component cũ (trỏ về surface mới) */
  --bg: var(--dashboard-shell);
  --panel: var(--surface-primary);
  --panel2: var(--surface-secondary);
  --grid: rgba(48,48,47,.07);         /* lưới chart rất nhẹ */

  /* Chữ */
  --text: #282827;
  --muted: #6F6E69;
  --text-muted: #9B9992;

  /* Dữ liệu (giữ ngữ nghĩa thu/chi/đầu tư) */
  --thu: #1F9D57;            /* số dương / thu */
  --chi: #D6493B;            /* số âm / chi */
  --dautu: #C2820F;          /* đầu tư */

  /* Tương tác */
  --accent: #30302F;                  /* charcoal — nav active / nút / tương tác */
  --on-accent: #FBF9F1;               /* chữ trên nền charcoal */
  --accent-soft: color-mix(in srgb, var(--accent) 8%, var(--surface-primary));
  --accent-ink: #282827;
  --accent-yellow: #F8D65C;           /* vàng pastel — điểm nhấn / progress / badge */
  --accent-yellow-soft: #F4E9B5;
  --gold: var(--accent-yellow);       /* alias */
  --gold-soft: var(--accent-yellow-soft);

  /* Viền + đổ bóng */
  --border: rgba(48,48,47,.08);
  --border-strong: rgba(48,48,47,.16);
  --shadow: 0 1px 2px rgba(37,40,44,.04), 0 6px 18px rgba(37,40,44,.06);
  --shadow-lg: 0 14px 40px rgba(37,40,44,.12);
  --shadow-shell: 0 28px 65px rgba(37,40,44,.24);

  /* Chữ */
  --font-sans: "Plus Jakarta Sans", "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  /* Spacing scale */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px;
  /* Bo góc — phân cấp */
  --r-shell: 36px; --r-sm: 14px; --r-md: 20px; --r-lg: 26px; --r-pill: 9999px;

  /* Token riêng cho card charcoal (.card-dark) */
  --dark-text: #F4F2EA;
  --dark-muted: #A9A7A0;
  --dark-border: rgba(255,255,255,.08);
  --dark-surface-2: rgba(255,255,255,.06);
}
:root[data-theme="dark"] {
  /* Tối (opt-in) — than lạnh + vàng pastel làm accent */
  --page-bg: #0E0E10;
  --dashboard-shell: #1B1B1D;
  --bg-grad: linear-gradient(120deg, #202022 0%, #19191B 58%, #211F16 100%);

  --surface-primary: #242426;
  --surface-secondary: #2E2E30;
  --surface-neutral: #2A2A2C;
  --surface-dark: #161617;

  --grid: rgba(255,255,255,.06);

  --text: #F3F2EC;
  --muted: #B4B2AB;
  --text-muted: #8C8A84;

  --thu: #34C46F;
  --chi: #F0796C;
  --dautu: #E2AE48;

  --accent: #F8D65C;          /* vàng pastel — nav active / nút / tương tác */
  --on-accent: #211C0C;       /* chữ tối trên nền vàng */
  --accent-soft: color-mix(in srgb, var(--accent) 18%, var(--surface-primary));
  --accent-ink: #211C0C;
  --accent-yellow: #F8D65C;
  --accent-yellow-soft: color-mix(in srgb, var(--accent-yellow) 26%, var(--surface-primary));

  --border: rgba(255,255,255,.09);
  --border-strong: rgba(255,255,255,.18);
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.46);
  --shadow-lg: 0 14px 40px rgba(0,0,0,.58);
  --shadow-shell: 0 28px 65px rgba(0,0,0,.6);

  --dark-text: #F4F2EA;
  --dark-muted: #A9A7A0;
  --dark-border: rgba(255,255,255,.08);
  --dark-surface-2: rgba(255,255,255,.06);
}
* { box-sizing: border-box; }
html { color-scheme: light; }
html[data-theme="dark"] { color-scheme: dark; }
body { transition: background .2s, color .2s; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--page-bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ===== Shell nổi (khung kem bo góc lớn trên nền xám) ===== */
.shell {
  max-width: 1240px;
  margin: 28px auto;
  background: var(--bg-grad);
  border-radius: var(--r-shell);
  box-shadow: var(--shadow-shell);
  border: 1px solid var(--border);
  overflow: hidden;            /* để bo góc ăn vào topbar/nội dung */
  position: relative;
  /* Cao tối thiểu bằng viewport -> footer sát đáy, không lộ nền xám phía dưới */
  min-height: 100vh;
  min-height: calc(100dvh - 56px);   /* trừ margin 28px×2 */
  display: flex;
  flex-direction: column;
}
.login-body .shell, body.login-body { background: var(--page-bg); }
/* Số tiền canh cột (tabular) — quan trọng cho app tài chính */
.tnum, .card .value, .nw-total, .tbl td.right, .tbl th.right,
.budget-item .head span, .mini-item b { font-variant-numeric: tabular-nums; }
/* Tiện ích spacing + section rhythm (thay inline margin-top) */
.section { margin-top: var(--s-5); }
.mt-4 { margin-top: var(--s-4); }
.mt-6 { margin-top: var(--s-6); }
/* Ẩn trực quan nhưng vẫn đọc được bởi screen reader */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
/* Icon SVG dùng chung (currentColor -> tự đổi theme) */
.ic { width: 18px; height: 18px; stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  flex: 0 0 auto; vertical-align: -3px; }
.ic-lg { width: 22px; height: 22px; }
.ic-sm { width: 15px; height: 15px; }

/* Topbar (trong shell, 3 vùng: brand | nav pill | controls) */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px 8px; gap: 14px; flex-wrap: wrap;
  background: transparent;
}
.brand { font-size: 20px; font-weight: 600; letter-spacing: -.01em; display: inline-flex; align-items: center; gap: 8px; flex: 1 1 0; min-width: max-content; }
.brand .ic { color: var(--accent); }
/* Nút chỉ chứa icon -> căn giữa SVG */
#themeBtn, #refreshBtn, #prevPeriod, #nextPeriod, .chat-close, .chat-fab,
.chat-input button, .del-btn, .mini-item button, .combo-arrow,
.inv-toolbar button, .budget-form button, #catForm button, .btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.controls { display: flex; gap: 10px; align-items: center; flex: 1 1 0; justify-content: flex-end; }
select, input, button { font-size: 14px; font-family: inherit; }
select, input {
  background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--r-sm); padding: 9px 12px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
select:hover, input:hover { border-color: var(--border-strong); }
select:focus, input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent); }
.seg { display: inline-flex; background: var(--panel2); border-radius: var(--r-pill); padding: 3px; gap: 2px; border: 1px solid var(--border); }
.seg button { background: transparent; color: var(--muted); border: none; padding: 7px 14px; cursor: pointer; border-radius: var(--r-pill); font-weight: 600; }
.seg button.active { background: var(--accent); color: var(--on-accent); }
/* Bộ chọn khoảng ngày tùy chọn (từ – đến) */
.daterange { display: inline-flex; align-items: center; gap: 6px; }
.daterange input[type="date"] { padding: 8px 10px; font-size: 13px; color-scheme: light; }
:root[data-theme="dark"] .daterange input[type="date"] { color-scheme: dark; }
.daterange .dash { color: var(--muted); }
.daterange button { background: var(--accent); color: var(--on-accent); border: none; border-radius: var(--r-pill); padding: 8px 16px; cursor: pointer; font-weight: 600; }
.daterange button:hover { filter: brightness(1.06); }
#themeBtn, #refreshBtn { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: var(--r-pill); width: 40px; height: 40px; padding: 0; cursor: pointer; box-shadow: var(--shadow); }
#themeBtn:hover, #refreshBtn:hover { background: var(--panel2); }
.sheet-link { background: var(--accent); color: var(--on-accent); text-decoration: none; border-radius: var(--r-pill); padding: 9px 14px; font-size: 14px; }
.sheet-link:hover { filter: brightness(1.06); }
/* Dải lọc thời gian (dưới topbar) */
.filterbar { display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 8px 28px 0; background: transparent; }
.filterbar .range-wrap { margin-left: auto; }
.range-wrap { position: relative; }
.range-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--r-pill); padding: 7px 14px; cursor: pointer; font-weight: 600; box-shadow: var(--shadow); }
.range-btn:hover { background: var(--panel2); }
.range-wrap .daterange { position: absolute; right: 0; top: calc(100% + 8px); z-index: 45;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md); box-shadow: var(--shadow-lg); padding: 12px; flex-wrap: wrap; }
.daterange[hidden] { display: none !important; }

/* Nav dạng pill (đặt giữa topbar) */
.tabs {
  display: inline-flex; gap: 4px; padding: 6px; margin: 0 auto;
  background: color-mix(in srgb, var(--surface-primary) 70%, transparent);
  border-radius: var(--r-pill); border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.tabs button {
  background: transparent; color: var(--muted); border: none;
  padding: 9px 16px; cursor: pointer; border-radius: var(--r-pill); font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.tabs button:hover { color: var(--text); }
.tabs button.active { background: var(--accent); color: var(--on-accent); box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 30%, transparent); }
.tabs button.active .ic { color: var(--on-accent); }

.demo-banner, .perm-note { display: flex; align-items: center; justify-content: center; gap: 10px;
  background: color-mix(in srgb, var(--accent-yellow) 68%, var(--surface-primary)); color: var(--accent-ink);
  text-align: center; padding: 6px 14px; font-size: 12.5px; font-weight: 600; margin: 8px 24px 0; border-radius: var(--r-pill); }
.perm-note { background: color-mix(in srgb, var(--accent) 12%, var(--surface-primary)); color: var(--text);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border)); }
.demo-x { background: transparent; border: none; color: inherit; cursor: pointer; font-size: 13px; line-height: 1; padding: 2px 6px; opacity: .7; }
.demo-x:hover { opacity: 1; }
@media (max-width: 760px) { .demo-banner, .perm-note { margin: 8px 12px 0; } }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); padding: 32px; width: 340px; max-width: 92vw; display: flex; flex-direction: column; gap: 12px; }
.login-card .brand { font-size: 22px; font-weight: 800; text-align: center; justify-content: center; }
.login-card h2 { margin: 0; font-size: 16px; font-weight: 600; text-align: center; color: var(--muted); }
.login-card input { background: var(--panel2); color: var(--text); border: 1px solid var(--border); border-radius: var(--r-md); padding: 12px 14px; font-size: 15px; }
.login-card button { background: var(--accent); color: var(--on-accent); border: none; border-radius: var(--r-pill); padding: 12px; cursor: pointer; font-size: 15px; font-weight: 700; }
.login-card button:hover { filter: brightness(1.06); }
.login-error { background: color-mix(in srgb, var(--chi) 14%, transparent); color: var(--chi); padding: 9px 12px; border-radius: var(--r-md); font-size: 13px; text-align: center; }
.user-chip { color: var(--muted); font-size: 14px; }
.user-chip a { color: var(--accent); text-decoration: none; margin-left: 8px; }
.hidden { display: none !important; }
.group-sum { background: var(--panel2); border-radius: 8px; padding: 12px; margin-top: 10px; font-size: 14px; line-height: 1.6; }

main { padding: 8px 28px 28px; flex: 1; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.period-label { color: var(--muted); margin-bottom: 14px; font-size: 15px; }

/* Khối chào (Welcome) */
.pagehead { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.pagehead .greet { margin: 0; font-size: 36px; font-weight: 600; line-height: 1.12; letter-spacing: -.022em; }
.pagehead .greet-sub { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.pagehead-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
@media (max-width: 760px) { .pagehead .greet { font-size: 27px; } }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 22px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md); padding: 20px; box-shadow: var(--shadow); }

/* ===== Tổng quan: Hero + KPI (redesign G1) ===== */
.hero {
  display: grid; grid-template-columns: 1fr minmax(92px, 128px);
  grid-template-areas: "main spark" "budget budget"; gap: 8px 18px; align-items: center;
  background: linear-gradient(135deg, var(--surface-primary), color-mix(in srgb, var(--accent-yellow) 12%, var(--surface-primary)));
  border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px 20px; margin-bottom: var(--s-4);
  box-shadow: var(--shadow);
}
.hero-main { grid-area: main; min-width: 0; }
.hero-spark { grid-area: spark; }
.hero-budget { grid-area: budget; }
.hero-label { color: var(--muted); font-size: 13px; margin-bottom: 2px; font-weight: 500; }
.hero-value { font-size: 30px; font-weight: 700; line-height: 1.05; letter-spacing: -.02em; }
.hero-value.thu { color: var(--thu); }
.hero-value.chi { color: var(--chi); }
.hero-meta { display: flex; align-items: center; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.hero-stat { color: var(--muted); font-size: 13px; }
.hero-tienmat { color: var(--muted); font-size: 13px; margin-top: 6px; display: inline-flex; align-items: center; gap: 6px; }
.kpi-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.hero-spark { height: 44px; min-width: 0; }
.hero-spark canvas { width: 100% !important; height: 44px !important; }
.hero-budget { min-width: 0; }
.hb-top { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.hb-sub { font-size: 12px; color: var(--muted); margin-top: 6px; }
.hb-empty { color: var(--muted); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.delta { display: inline-flex; align-items: center; gap: 3px; font-size: 12px; font-weight: 700;
  padding: 3px 9px; border-radius: var(--r-pill); }
.delta.pos { color: var(--thu); background: color-mix(in srgb, var(--thu) 14%, transparent); }
.delta.neg { color: var(--chi); background: color-mix(in srgb, var(--chi) 14%, transparent); }
.delta.flat { color: var(--muted); background: color-mix(in srgb, var(--muted) 14%, transparent); }
.delta-cap { color: var(--muted); font-size: 12px; font-weight: 400; margin-left: 6px; }

.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 22px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md); padding: 14px 16px; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease; }
.kpi:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.kpi-top { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 13px; font-weight: 500; }
.kpi-ic { width: 30px; height: 30px; border-radius: var(--r-pill); display: inline-flex; align-items: center; justify-content: center; }
.kpi-ic.thu { color: var(--thu); background: color-mix(in srgb, var(--thu) 12%, transparent); }
.kpi-ic.chi { color: var(--chi); background: color-mix(in srgb, var(--chi) 12%, transparent); }
.kpi-ic.dautu { color: var(--dautu); background: color-mix(in srgb, var(--dautu) 12%, transparent); }
.kpi-ic.sodu { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.kpi-value { font-size: 22px; font-weight: 700; margin-top: 6px; letter-spacing: -.02em; }
.kpi-value.thu { color: var(--thu); } .kpi-value.chi { color: var(--chi); } .kpi-value.dautu { color: var(--dautu); }
.kpi-trend { margin-top: 6px; min-height: 16px; }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; grid-template-areas: "main" "budget"; gap: var(--s-3); }
  .hero-spark { display: none; }
  .kpis { grid-template-columns: 1fr; }
}

/* ===== Bento grid (tab Tổng quan) ===== */
#tab-overview .bento {
  display: grid; grid-template-columns: repeat(12, 1fr);
  gap: 16px; align-items: stretch;
}
#tab-overview .bento > * { margin: 0; min-width: 0; }      /* reset mt-* + chống tràn canvas */
.b-12 { grid-column: span 12; }
.b-8 { grid-column: span 8; }
.b-7 { grid-column: span 7; }
.b-6 { grid-column: span 6; }
.b-5 { grid-column: span 5; }
.b-4 { grid-column: span 4; }
/* Hero & cột KPI cao bằng nhau trên cùng hàng */
#tab-overview .bento .hero { height: 100%; margin-bottom: 0; }
#tab-overview .bento .kpis {
  grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: 12px; margin-bottom: 0; height: 100%;
}
#tab-overview .bento .kpis .kpi { display: flex; flex-direction: column; justify-content: center; }
#tab-overview .bento .cards { margin-bottom: 0; }

/* Tablet: lưới 2 cột, item .b-half đứng cạnh nhau, còn lại full */
@media (max-width: 1100px) {
  #tab-overview .bento { grid-template-columns: 1fr 1fr; }
  #tab-overview .bento > * { grid-column: span 2; }
  #tab-overview .bento > .b-half { grid-column: span 1; }
  #tab-overview .bento .kpis { grid-template-columns: 1fr 1fr; }
}
/* Mobile: 1 cột, giữ thứ tự ưu tiên; KPI vẫn 2 cột (2×2) */
@media (max-width: 760px) {
  #tab-overview .bento { grid-template-columns: 1fr; gap: 12px; }
  #tab-overview .bento > *, #tab-overview .bento > .b-half { grid-column: 1 / -1; }
  #tab-overview .bento .kpis { grid-template-columns: 1fr 1fr; }
}
.card .label { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.card .value { font-size: 22px; font-weight: 700; }
.card.thu .value { color: var(--thu); }
.card.chi .value { color: var(--chi); }
.card.sodu .value { color: var(--accent); }
.card.dautu .value { color: var(--dautu); }
.badge.dau_tu { background: color-mix(in srgb, var(--dautu) 18%, transparent); color: var(--dautu); }

/* Charts */
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.chart-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; box-shadow: var(--shadow); }
.chart-box h3 { margin: 0 0 14px; font-size: 15px; font-weight: 600; }
.chart-box h3, .nw-box h3 { display: flex; align-items: center; gap: 8px; }
.chart-box h3 .ic, .nw-box h3 .ic { color: var(--accent); }

/* ===== Vay/Nợ: workspace quản lý gốc/lãi ===== */
.debt-workspace { display: flex; flex-direction: column; gap: 16px; margin-top: 14px; }
.debt-hero {
  display: grid; grid-template-columns: minmax(260px, .9fr) minmax(420px, 1.35fr);
  gap: 18px; align-items: stretch;
  background: linear-gradient(135deg, var(--panel), color-mix(in srgb, var(--accent-yellow) 12%, var(--panel)));
  border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px;
  box-shadow: var(--shadow);
}
.debt-hero-main { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.debt-eyebrow { color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .01em; }
.debt-net {
  margin-top: 8px; font-size: clamp(30px, 4.2vw, 46px); font-weight: 800;
  line-height: 1.02; letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.debt-net.pos, .pos { color: var(--thu); }
.debt-net.neg, .neg { color: var(--chi); }
.warn { color: var(--accent-yellow); }
.debt-net-label { color: var(--muted); font-size: 13px; margin-top: 9px; }
.debt-balance { display: grid; gap: 12px; min-width: 0; }
.debt-balance-row {
  background: color-mix(in srgb, var(--panel2) 70%, transparent);
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 14px 16px; min-width: 0;
}
.debt-row-top, .debt-row-sub { display: flex; justify-content: space-between; gap: 12px; }
.debt-row-top b { font-size: 14px; color: var(--text); }
.debt-row-top span { font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; }
.debt-row-sub { margin-top: 8px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.debt-bar {
  height: 8px; margin-top: 10px; border-radius: var(--r-pill); overflow: hidden;
  background: color-mix(in srgb, var(--muted) 14%, transparent);
}
.debt-bar i { display: block; height: 100%; border-radius: inherit; }
.debt-balance-row.thu .debt-row-top span { color: var(--thu); }
.debt-balance-row.chi .debt-row-top span { color: var(--chi); }
.debt-balance-row.thu .debt-bar i { background: var(--thu); }
.debt-balance-row.chi .debt-bar i { background: var(--chi); }
.debt-reportbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 12px 14px; box-shadow: var(--shadow);
}
.debt-report-main, .debt-report-controls, .debt-range {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-width: 0;
}
.debt-report-title { font-size: 13px; font-weight: 800; color: var(--muted); white-space: nowrap; }
.seg.compact button { padding: 6px 12px; font-size: 13px; }
.debt-report-controls input { min-height: 38px; padding: 8px 10px; }
.debt-range span { color: var(--muted); }
.debt-period-label { color: var(--muted); font-size: 13px; margin-left: auto; }
.debt-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.debt-kpi {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.debt-kpi span { color: var(--muted); font-size: 13px; font-weight: 600; }
.debt-kpi b { font-size: 21px; font-weight: 800; font-variant-numeric: tabular-nums; }
.debt-charts { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; min-width: 0; }
.debt-charts .chart-box { min-height: 310px; min-width: 0; overflow: hidden; }
.debt-charts canvas {
  display: block; width: 100% !important; max-width: 100% !important;
  height: 230px !important; min-width: 0; min-height: 0; box-sizing: border-box;
}
.debt-section-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.debt-section-head h3 { margin: 0; font-size: 16px; font-weight: 800; }
.debt-section-head span { color: var(--muted); font-size: 13px; }
.ghost-btn {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  border-radius: var(--r-pill); padding: 8px 13px; cursor: pointer; font-weight: 700;
}
.ghost-btn:hover { background: var(--panel2); border-color: var(--border-strong); }
.debt-table-wrap { overflow-x: auto; }
.debt-table { min-width: 760px; }
.debt-table .debt-party { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.debt-table small { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.debt-table td { vertical-align: middle; }
.debt-actions { text-align: right; white-space: nowrap; }
.debt-actions .del-btn { margin-left: 3px; }
.debt-status {
  display: inline-flex; align-items: center; min-height: 26px;
  border-radius: var(--r-pill); padding: 4px 10px;
  font-size: 12px; font-weight: 800; white-space: nowrap;
}
.debt-status.ok { color: var(--thu); background: color-mix(in srgb, var(--thu) 12%, transparent); }
.debt-status.soon { color: var(--accent); background: color-mix(in srgb, var(--accent-yellow) 34%, transparent); }
.debt-status.overdue { color: var(--chi); background: color-mix(in srgb, var(--chi) 12%, transparent); }
.debt-timeline { display: grid; gap: 10px; }
.debt-event {
  display: grid; grid-template-columns: 14px minmax(0, 1fr) auto; gap: 12px; align-items: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 12px 14px; box-shadow: var(--shadow);
}
.debt-event-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.debt-event.thu .debt-event-dot { background: var(--thu); }
.debt-event.chi .debt-event-dot { background: var(--chi); }
.debt-event b { font-size: 14px; }
.debt-event small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.debt-event strong { font-size: 15px; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 980px) {
  .debt-hero { grid-template-columns: 1fr; }
  .debt-charts { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .debt-workspace { gap: 12px; }
  .debt-hero { padding: 16px; border-radius: var(--r-md); }
  .debt-balance-row { padding: 12px; }
  .debt-row-top span { font-size: 16px; }
  .debt-reportbar { align-items: stretch; }
  .debt-report-main, .debt-report-controls, .debt-range { width: 100%; }
  .debt-report-main { align-items: flex-start; flex-direction: column; }
  .debt-report-main .seg { width: 100%; }
  .debt-report-main .seg button { flex: 1; }
  .debt-report-controls input, .debt-report-controls button { flex: 1 1 140px; }
  .debt-range input { flex: 1 1 120px; min-width: 0; }
  .debt-period-label { width: 100%; margin-left: 0; }
  .debt-kpis { grid-template-columns: 1fr; }
  .debt-kpi { padding: 12px 14px; }
  .debt-charts .chart-box { min-height: 268px; padding: 14px; }
  .debt-charts canvas { height: 212px !important; }
  .debt-table-wrap { overflow: visible; }
  .debt-table { min-width: 0; }
  .debt-table tr {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md);
    padding: 12px; margin-bottom: 10px; box-shadow: var(--shadow);
  }
  .debt-table td { border: 0 !important; padding: 7px 0 !important; }
  .debt-table td::before {
    content: attr(data-label); display: block; color: var(--muted);
    font-size: 11px; font-weight: 700; margin-bottom: 3px;
  }
  .debt-table td[data-label=""]::before { content: none; }
  .debt-table .right, .debt-actions { text-align: left; }
  .debt-actions .del-btn { margin: 0 5px 0 0; }
  .debt-event { grid-template-columns: 10px minmax(0, 1fr); align-items: start; }
  .debt-event strong { grid-column: 2; justify-self: start; }
}

/* ===== Card charcoal tương phản (.card-dark) =====
   Ghi đè custom properties tại đây để mọi phần tử con (kể cả inline
   var(--muted)/var(--text)/var(--border)) tự chuyển sang biến thể tối. */
.card-dark {
  --text: var(--dark-text);
  --muted: var(--dark-muted);
  --text-muted: var(--dark-muted);
  --border: var(--dark-border);
  --panel: var(--surface-dark);
  --panel2: var(--dark-surface-2);
  --accent: var(--accent-yellow);
  background: var(--surface-dark);
  border-color: var(--dark-border);
  color: var(--dark-text);
}
.card-dark h3 { color: var(--dark-text); }
.card-dark h3 .ic { color: var(--accent-yellow); }
.card-dark .mini-item { background: var(--dark-surface-2); color: var(--dark-text); }
.card-dark .mini-item b { color: var(--dark-text); }
.card-dark:hover { border-color: var(--dark-border); box-shadow: var(--shadow-lg); }
.nw-line span { display: inline-flex; align-items: center; gap: 6px; }

/* Table */
.tbl { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow); }
.tbl th, .tbl td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.tbl tr:last-child td { border-bottom: none; }
.tbl thead { background: color-mix(in srgb, var(--surface-secondary) 55%, transparent); }
.tbl th { color: var(--muted); font-weight: 600; font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; }
.tbl td.right, .tbl th.right { text-align: right; }
.tbl tbody tr { transition: background .12s; }
.tbl tbody tr:hover { background: var(--panel2); }
.tbl .empty { text-align: center; color: var(--muted); padding: 24px; }
.badge { padding: 3px 10px; border-radius: var(--r-pill); font-size: 12px; font-weight: 600; }
.badge.thu { background: color-mix(in srgb, var(--thu) 14%, transparent); color: var(--thu); }
.badge.chi { background: color-mix(in srgb, var(--chi) 14%, transparent); color: var(--chi); }
.badge.chip { background: var(--accent-soft); color: var(--accent); }
.budget-item.total { border-color: var(--accent); }
.budget-form .tag { color: var(--muted); align-self: center; font-size: 14px; }
.del-btn { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: 16px;
  min-width: 36px; min-height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--r-pill); }
.del-btn:hover { color: var(--chi); background: color-mix(in srgb, var(--chi) 10%, transparent); }

/* Budgets */
.budget-form, #catForm { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.budget-form button, #catForm button { background: var(--accent); color: var(--on-accent); border: none; border-radius: var(--r-pill); padding: 10px 20px; min-height: 40px; cursor: pointer; font-weight: 600; }
.budget-form button:hover, #catForm button:hover { filter: brightness(1.06); }
.budget-list { display: grid; gap: 12px; }
.budget-item { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; box-shadow: var(--shadow); }
.budget-item .head { display: flex; justify-content: space-between; margin-bottom: 8px; }
.bar { height: 10px; background: var(--panel2); border-radius: var(--r-pill); overflow: hidden; }
.bar.lg { height: 14px; }
.bar > span { display: block; height: 100%; max-width: 100%; background: var(--thu); border-radius: inherit; }

/* Combobox tự vẽ (input + danh sách) — thay <datalist> native */
.combo { position: relative; display: inline-block; }
.combo > input { padding-right: 26px; }
.combo-arrow { position: absolute; top: 1px; right: 1px; bottom: 1px; width: 24px;
  background: transparent; border: none; color: var(--muted); cursor: pointer;
  font-size: 12px; line-height: 1; padding: 0; }
.combo-list { position: absolute; z-index: 50; left: 0; right: 0; top: calc(100% + 3px);
  margin: 0; padding: 4px; list-style: none; max-height: 220px; overflow-y: auto;
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 8px 22px var(--shadow-lg); }
.combo-list li { padding: 9px 10px; border-radius: 6px; cursor: pointer; font-size: 14px; }
.combo-list li:hover { background: var(--panel); }

/* ===== G2: data-first — nút "＋ Thêm" + panel nhập + field có label ===== */
.add-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.add-btn {
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--r-pill); padding: 9px 16px; min-height: 38px; cursor: pointer; font-weight: 600; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, border-color .15s;
}
.add-btn:hover { background: color-mix(in srgb, var(--accent) 22%, #fff); }
.add-btn.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.add-btn.primary:hover { filter: brightness(1.06); }
.add-btn[aria-expanded="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.add-panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }
.add-panel.hidden { display: none !important; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field > label { font-size: 12px; color: var(--muted); font-weight: 500; }
.field input, .field select { width: 100%; }
.budget-form.labeled { align-items: flex-end; }
.budget-form.labeled .field { min-width: 150px; }
.budget-form.labeled .combo { display: block; }
.budget-form.labeled .combo > input { width: 100%; }
input.invalid, select.invalid { border-color: var(--chi) !important; box-shadow: 0 0 0 1px var(--chi); }

/* ===== G3: thanh công cụ bảng giao dịch ===== */
.tx-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.tx-search { position: relative; display: inline-flex; align-items: center; flex: 1 1 220px; }
.tx-search .ic { position: absolute; left: 10px; color: var(--muted); pointer-events: none; }
.tx-search input { width: 100%; padding-left: 32px; }
.tx-count { color: var(--muted); font-size: 13px; margin-left: auto; }
.tx-more { text-align: center; margin-top: 14px; }

/* ===== Ví: thanh chip chọn ví + ô gán ví ===== */
.wallet-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  padding: 12px 28px 0; background: transparent; }
.wallet-bar.hidden, .wallet-bar.force-hide { display: none !important; }
.wchip { display: inline-flex; align-items: center; gap: 5px; cursor: pointer;
  background: var(--panel2); color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 600;
  transition: background .15s, color .15s, border-color .15s; }
.wchip:hover { color: var(--text); border-color: var(--accent); }
.wchip.active { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
/* Phân cấp Ví tổng (gốc) › ví con */
.wbar-sep { color: var(--muted); font-size: 18px; line-height: 1; margin: 0 2px; user-select: none; }
.wchip-root { font-weight: 700; }
.wchip-root:not(.active) { border-color: var(--accent); color: var(--text); }
.wchip-sub:not(.active) { background: transparent; }
.vi-cell { background: transparent; border: 1px dashed var(--border); color: var(--text);
  border-radius: 6px; padding: 3px 8px; cursor: pointer; font-size: 13px; }
.vi-cell:hover { border-color: var(--accent); border-style: solid; }
@media (max-width: 760px) { .wallet-bar { padding: 8px 12px; } }

/* Chip gợi ý từ khóa ví */
.kw-suggest { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.kw-chip { cursor: pointer; background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 999px; padding: 4px 11px; font-size: 13px; transition: background .15s; }
.kw-chip:hover { background: color-mix(in srgb, var(--accent) 22%, transparent); }
.kw-loading { color: var(--muted); font-size: 13px; }
@media (max-width: 760px) {
  .tx-search { flex: 1 1 100%; }
  .tx-toolbar select { flex: 1 1 auto; }
  .tx-count { flex: 1 1 100%; margin-left: 0; }
}
.bar > span.warn { background: var(--gold); }
.bar > span.over { background: var(--chi); }

/* Config */
.config-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.config-grid .row { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md); padding: 12px 14px; box-shadow: var(--shadow); }
.config-grid .row .k { color: var(--muted); font-size: 12px; }
.config-grid .row .v { font-size: 15px; margin-top: 4px; word-break: break-all; }
.add-cat h3 { font-size: 15px; }

/* Config forms */
.cfg-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cfg-section { grid-column: 1 / -1; margin: 14px 0 2px; font-size: 15px; font-weight: 700; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.cfg-section .ic { color: var(--accent); }
.cfg-section:first-child { margin-top: 0; }
/* Ô thông số phụ theo loại tài sản (tab Đầu tư) */
.inv-meta { display: flex; gap: 8px; flex-wrap: wrap; flex-basis: 100%; }
.inv-meta:empty { display: none; }
.inv-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
#invRefreshBtn { background: var(--accent); color: var(--on-accent); border: none; border-radius: var(--r-pill); padding: 9px 16px; cursor: pointer; font-size: 14px; white-space: nowrap; font-weight: 600; }
#invRefreshBtn:disabled { opacity: .6; cursor: default; }
.cfg-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px; box-shadow: var(--shadow); }
.cfg-card.wide { grid-column: 1 / -1; }
.cfg-card h3 { margin: 0 0 14px; font-size: 15px; }
.cfg-card label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.cfg-card label input[type=number], .cfg-card label input[type=text], .cfg-card label select {
  display: block; width: 100%; margin-top: 4px;
}
.cfg-card label.chk { display: flex; align-items: center; gap: 8px; color: var(--text); }
.cfg-card label.chk input { width: auto; margin: 0; }
.cfg-card button[data-save], #userForm button, #catForm button {
  background: var(--accent); color: var(--on-accent); border: none; border-radius: var(--r-pill); padding: 9px 18px; cursor: pointer; margin-top: 6px; font-weight: 600;
}
.hint { color: var(--muted); font-size: 12px; margin: 10px 0 0; }
.inline-form { display: flex; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
.inline-form input { flex: 1; min-width: 120px; }
.perm-editor { flex-basis: 100%; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.perm-block { background: var(--panel2); border: 1px solid var(--border); border-radius: var(--r-md); padding: 12px; }
.perm-title { font-size: 12px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.perm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(135px, 1fr)); gap: 8px; }
.perm-chip { display: flex !important; align-items: center; gap: 7px; margin: 0 !important; color: var(--text) !important;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md); padding: 7px 9px; font-size: 12.5px !important; }
.perm-chip input { width: auto !important; min-width: 0 !important; margin: 0; }
.perm-chip.muted { opacity: .65; }
.preset-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.preset-btn { border: 1px solid var(--border) !important; background: var(--panel) !important; color: var(--text) !important;
  border-radius: var(--r-pill) !important; padding: 6px 10px !important; margin: 0 !important; font-size: 12px; }
.mini-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.mini-item { display: flex; justify-content: space-between; align-items: center; background: var(--panel2); border-radius: var(--r-md); padding: 9px 13px; font-size: 14px; }
.mini-item .acts { display: flex; gap: 8px; }
.mini-item button { background: transparent; border: none; cursor: pointer; color: var(--muted); font-size: 14px; }
.mini-item button:hover { color: var(--text); }
.mini-item button.del:hover { color: var(--chi); }

.foot { text-align: center; color: var(--muted); padding: 20px; font-size: 13px; margin-top: auto; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); color: var(--text); padding: 12px 20px; border-radius: var(--r-pill);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity .25s;
}
.toast.show { opacity: 1; }

/* Giới hạn chiều cao biểu đồ để không quá cao trên mobile */
.chart-box canvas { max-height: 300px; }

/* ===== Mobile ===== */
@media (max-width: 760px) {
  /* Shell full-bleed trên mobile: bỏ bo góc/shadow/margin để không tràn ngang */
  .shell { margin: 0; border-radius: 0; box-shadow: none; border: none;
    background: var(--bg-grad) fixed; min-height: 100vh; min-height: 100dvh; }
  .topbar { padding: 12px 12px 6px; gap: 8px; background: transparent; }
  .brand { font-size: 17px; }
  .controls { gap: 8px; width: 100%; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
  .controls select { flex: 1 1 auto; }
  .user-chip { display: flex; align-items: center; gap: 6px; }
  /* Dải lọc: 4 nút chọn nhanh 1 hàng, khoảng ngày xuống dòng riêng */
  .filterbar { padding: 8px 12px; gap: 8px; }
  #periodSeg { flex: 1 1 100%; }
  .filterbar .navperiod { flex: 0 0 auto; }
  .filterbar .daterange { flex: 1 1 100%; margin-left: 0; }
  .daterange input[type="date"] { flex: 1 1 auto; min-width: 0; }
  .seg button { flex: 1; padding: 9px 8px; }

  /* Bottom navigation cố định cho mobile (dễ chạm bằng ngón cái) */
  .tabs {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; margin: 0;
    padding: 0; gap: 0; border: none; border-top: 1px solid var(--border);
    border-radius: 0; background: var(--panel);
    box-shadow: 0 -4px 16px rgba(40,33,18,.10);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .tabs button {
    flex: 1; flex-direction: column; gap: 2px; font-size: 11px; padding: 8px 2px;
    border-radius: 0; border-top: 3px solid transparent;
  }
  .tabs button.active { background: transparent; color: var(--accent); border-top-color: var(--accent); box-shadow: none; }
  .tabs button.active .ic { color: var(--accent); }
  .tabs button .ic { width: 21px; height: 21px; }
  body { padding-bottom: 62px; }       /* chừa chỗ cho bottom nav */
  .chat-fab { bottom: 74px; }          /* nổi trên bottom nav */
  .chat-panel { bottom: 132px; }

  main { padding: 14px; }
  .cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card .value { font-size: 19px; }
  .charts, .config-grid, .cfg-cards { grid-template-columns: 1fr; }

  /* Form xếp dọc, input/nút rộng & dễ chạm */
  .inline-form, .budget-form, #catForm, .budget-form, .budget-form.labeled { flex-direction: column; align-items: stretch; }
  .inline-form input, .inline-form select, .budget-form input, .budget-form select,
  .cfg-card label input, .cfg-card label select { width: 100%; }
  .perm-editor { grid-template-columns: 1fr; }
  .budget-form .combo { display: block; width: 100%; }
  button, .seg button, #refreshBtn { min-height: 40px; }

  /* Bảng giao dịch -> bố cục thẻ */
  .tbl thead { display: none; }
  .tbl, .tbl tbody, .tbl tr, .tbl td { display: block; width: 100%; }
  .tbl tr { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; padding: 6px 10px; }
  .tbl td { border: none; padding: 5px 0; text-align: right; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .tbl td::before { content: attr(data-label); color: var(--muted); font-size: 12px; text-align: left; }
  .tbl td.right { text-align: right; }
  .tbl td.empty { display: block; text-align: center; }
  .tbl td.empty::before { content: ""; }
}

@media (max-width: 420px) {
  .cards { grid-template-columns: 1fr; }
  .brand { font-size: 16px; }
}

/* ---- Trợ lý chat AI ---- */
.chat-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 50;
  width: 54px; height: 54px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--accent); color: var(--on-accent); font-size: 24px;
  box-shadow: 0 6px 18px var(--shadow-lg);
}
.chat-panel {
  position: fixed; right: 20px; bottom: 84px; z-index: 50;
  width: 360px; max-width: calc(100vw - 32px); height: 480px; max-height: calc(100vh - 120px);
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 10px 30px var(--shadow-lg); overflow: hidden;
}
.chat-panel[hidden] { display: none; }  /* ghi đè display:flex để ẩn được */
.chat-close:hover { color: var(--text); }
.chat-fab.open { background: var(--panel2); }
.chat-head .chat-close { font-size: 20px; line-height: 1; padding: 0 4px; }
.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: var(--panel2); border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.chat-close { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: 16px; }
.chat-body { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.chat-msg { padding: 8px 12px; border-radius: 12px; max-width: 85%; white-space: pre-wrap; font-size: 14px; line-height: 1.4; }
.chat-msg.me { align-self: flex-end; background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 4px; }
.chat-msg.bot { align-self: flex-start; background: var(--panel2); color: var(--text); border-bottom-left-radius: 4px; }
.chat-input { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; background: var(--panel2); color: var(--text); border: 1px solid var(--border); border-radius: 20px; padding: 9px 14px; }
.chat-input button { width: 40px; border: none; border-radius: 50%; background: var(--accent); color: var(--on-accent); cursor: pointer; font-size: 16px; }
@media (max-width: 420px) {
  .chat-panel { right: 8px; left: 8px; width: auto; bottom: 78px; }
}

/* ---- Tài sản ròng & So sánh kỳ ---- */
.nw-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.nw-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px; box-shadow: var(--shadow); }
.nw-box h3 { margin: 0 0 10px; font-size: 14px; font-weight: 700; }
.nw-total { font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.nw-total.pos { color: var(--thu); }
.nw-total.neg { color: var(--chi); }
.nw-lines, .nw-box { font-size: 14px; }
.nw-line { display: flex; justify-content: space-between; padding: 5px 0; border-top: 1px solid var(--border); }
.nw-line:first-of-type { border-top: none; }
.nw-line b.pos { color: var(--thu); }
.nw-line b.neg { color: var(--chi); }
@media (max-width: 720px) { .nw-row { grid-template-columns: 1fr; } }

/* ---- Nav kỳ + nút theme ---- */
.navperiod button { padding: 8px 12px; font-size: 16px; line-height: 1; }
#themeBtn, #refreshBtn { background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--r-pill); width: 40px; height: 40px; padding: 0; cursor: pointer; box-shadow: var(--shadow); }
#themeBtn:hover, #refreshBtn:hover { background: var(--panel2); }

/* ---- Modal dùng chung ---- */
.modal-overlay { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center;
  justify-content: center; background: rgba(0,0,0,.5); padding: 16px; }
.modal-overlay[hidden] { display: none; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg);
  width: 380px; max-width: 100%; padding: 20px 22px; box-shadow: var(--shadow-lg);
  animation: pop .14s ease-out; }
@keyframes pop { from { transform: scale(.96); opacity: .4; } to { transform: scale(1); opacity: 1; } }
.modal h3 { margin: 0 0 12px; font-size: 16px; }
.modal-body { font-size: 14px; color: var(--text); }
.modal-body label { display: block; margin: 10px 0 4px; color: var(--muted); font-size: 13px; }
.modal-body input, .modal-body select { width: 100%; background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.btn-primary { background: var(--accent); color: var(--on-accent); border: none; border-radius: var(--r-pill);
  padding: 10px 18px; cursor: pointer; font-weight: 600; transition: filter .15s ease, transform .12s ease; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary.danger { background: var(--chi); color: #fff; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: var(--r-pill); padding: 10px 18px; cursor: pointer; transition: color .15s ease, border-color .15s ease; }
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }

/* ---- Skeleton loading ---- */
.skeleton { position: relative; overflow: hidden; background: var(--panel2);
  border-radius: 8px; min-height: 16px; }
.skeleton::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  transform: translateX(-100%); animation: shimmer 1.2s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.skel-row { height: 40px; margin: 8px 0; }

/* ---- Empty state ---- */
.empty-state { text-align: center; color: var(--muted); padding: 28px 16px; }
.empty-state .ico { font-size: 32px; display: block; margin-bottom: 8px; opacity: .8; }

/* ---- Sparkline trên thẻ ---- */
.card { position: relative; }
.spark { height: 28px; margin-top: 6px; }
.spark canvas { width: 100% !important; height: 28px !important; }

/* ===== A11y & polish (đợt nâng cấp giao diện) ===== */

/* Nhãn trạng thái ngân sách (cue ngoài màu) */
.bstatus { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; margin-left: 6px; vertical-align: middle; white-space: nowrap; }
.bstatus .ic { width: 13px; height: 13px; }
.bstatus.ok { background: color-mix(in srgb, var(--thu) 16%, transparent); color: var(--thu); }
.bstatus.warn { background: color-mix(in srgb, var(--dautu) 20%, transparent); color: var(--dautu); }
.bstatus.over { background: color-mix(in srgb, var(--chi) 18%, transparent); color: var(--chi); }

/* Nút "⚙ Nâng cao" + khối trường nâng cao của form đầu tư */
.adv-toggle { background: transparent; color: var(--muted); border: 1px dashed var(--border);
  border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 13px; }
.adv-toggle:hover { color: var(--text); border-color: var(--accent); }
.inv-advanced { display: flex; gap: 10px; flex-wrap: wrap; flex-basis: 100%; }
.inv-advanced.hidden { display: none !important; }

/* Nhóm Cấu hình thu/mở được */
#tab-config .cfg-section { cursor: pointer; user-select: none; display: flex; align-items: center; gap: 8px; }
#tab-config .cfg-section::before { content: "▾"; font-size: 12px; color: var(--muted); transition: transform .15s; }
#tab-config .cfg-section.collapsed::before { transform: rotate(-90deg); }
#tab-config .cfg-section:hover { color: var(--accent); }
#tab-config .cfg-section:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.cfg-card.sect-collapsed { display: none !important; }

/* Hover/transition cho thẻ & hàng bảng (desktop) */
.card, .chart-box, .nw-box { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.card:hover, .chart-box:hover, .nw-box:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.tbl tbody tr { transition: background .12s ease; }
.tbl tbody tr:hover { background: var(--panel2); }

/* Focus thấy rõ cho điều hướng bàn phím */
button:focus-visible, a:focus-visible, [role="tab"]:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* Tôn trọng người dùng giảm chuyển động */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .card:hover, .chart-box:hover, .nw-box:hover { transform: none; }
}

/* ===== Trang Cấu hình: sidebar cài đặt + vùng nội dung ===== */
.settings-layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 18px; align-items: start; }
.set-nav-select { display: none; width: 100%; margin-bottom: 12px; }
.set-nav { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 4px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 8px; box-shadow: var(--shadow); }
.set-nav button { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: transparent; border: none; cursor: pointer; padding: 10px 12px; border-radius: var(--r-md);
  color: var(--muted); font-size: 14px; font-weight: 600; }
.set-nav button .ic { color: var(--muted); flex: none; }
.set-nav button:hover { background: var(--panel2); color: var(--text); }
.set-nav button.active { background: var(--accent); color: #fff; }
.set-nav button.active .ic { color: #fff; }
.set-content { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.set-group { display: none; flex-direction: column; gap: 16px; }
.set-group.active { display: flex; }
.set-group .cfg-card.wide { grid-column: auto; }     /* layout dọc -> .wide không cần span cột */
.set-group .cfg-card .add-btn { margin-top: 4px; }
.revealable { margin-top: 12px; }
#catList { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 10px; }

/* Tablet: sidebar -> tab ngang cuộn ngang */
@media (max-width: 980px) {
  .settings-layout { grid-template-columns: 1fr; }
  .set-nav { position: static; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; gap: 6px; }
  .set-nav button { white-space: nowrap; }
}
/* Mobile: 1 cột + dropdown thay nav */
@media (max-width: 600px) {
  .set-nav { display: none; }
  .set-nav-select { display: block; }
  #catList { grid-template-columns: 1fr; }
}

/* ===== Tổng quan: header card + segmented control + biểu đồ tabs ===== */
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.card-head h3 { margin: 0; }
.seg-ctrl { display: inline-flex; background: var(--panel2); border: 1px solid var(--border); border-radius: var(--r-pill); padding: 3px; gap: 2px; }
.seg-ctrl button { background: transparent; color: var(--muted); border: none; padding: 6px 12px; cursor: pointer; border-radius: var(--r-pill); font-weight: 600; font-size: 13px; white-space: nowrap; }
.seg-ctrl button:hover { color: var(--text); }
.seg-ctrl button.active { background: var(--accent); color: var(--on-accent); }

.chart-panes { position: relative; }
.chart-pane { display: none; height: 256px; min-width: 0; }
.chart-pane.active { display: block; }
.chart-pane canvas { width: 100% !important; height: 100% !important; max-height: none; }

/* Cơ cấu chi: donut gọn + nhánh 1 danh mục */
.pie-wrap { height: 240px; min-width: 0; display: flex; align-items: center; justify-content: center; }
.pie-wrap canvas { max-height: 240px; }
.pie-wrap.pie-mini { height: 150px; }
.pie-wrap.pie-mini canvas { max-height: 150px; }
.pie-solo { text-align: center; margin-top: 10px; }
.pie-solo-name { color: var(--muted); font-size: 13px; }
.pie-solo-amt { font-size: 24px; font-weight: 700; margin: 2px 0; }
.pie-solo-pct { color: var(--muted); font-size: 12px; }

/* Card giao dịch: cùng surface + viền accent, cao theo nội dung */
.tx-card { border-color: color-mix(in srgb, var(--accent-yellow) 45%, var(--border)); }
.tx-list { display: flex; flex-direction: column; gap: 4px; }
.tx-row { display: flex; align-items: center; gap: 10px; padding: 8px 4px; border-bottom: 1px solid var(--border); }
.tx-row:last-child { border-bottom: none; }
.tx-ic { width: 30px; height: 30px; flex: none; border-radius: var(--r-pill); display: inline-flex; align-items: center; justify-content: center; }
.tx-ic.thu { color: var(--thu); background: color-mix(in srgb, var(--thu) 12%, transparent); }
.tx-ic.chi { color: var(--chi); background: color-mix(in srgb, var(--chi) 12%, transparent); }
.tx-ic.dautu { color: var(--dautu); background: color-mix(in srgb, var(--dautu) 12%, transparent); }
.tx-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.tx-info b { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tx-info small { color: var(--muted); font-size: 12px; }
.tx-amt { flex: none; font-size: 14px; }
.tx-amt.thu { color: var(--thu); } .tx-amt.chi { color: var(--chi); } .tx-amt.dautu { color: var(--dautu); }
.tx-empty { padding: 12px 4px; }
.link-all { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; background: transparent; border: none;
  color: var(--accent); font-weight: 600; font-size: 13px; cursor: pointer; padding: 4px 0; }
.link-all:hover { text-decoration: underline; }

/* Card Sức khỏe ngân sách: chip chỉ số phẳng (không card-in-card) */
#healthCard .cards { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 0; }
#healthCard .card { background: var(--panel2); border: none; box-shadow: none; padding: 12px 14px; }
#healthCard .card .value { font-size: 18px; }
@media (max-width: 420px) { #healthCard .cards { grid-template-columns: 1fr; } }

/* Nhãn phân biệt snapshot / theo kỳ */
.nw-tag { font-weight: 500; font-size: 11px; color: var(--muted); background: var(--panel2);
  border: 1px solid var(--border); border-radius: var(--r-pill); padding: 2px 8px; margin-left: 6px; }

/* Nút menu tài khoản (chỉ hiện ở mobile) */
.acct-menu-btn { display: none; background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--r-pill); width: 40px; height: 40px; padding: 0; cursor: pointer; box-shadow: var(--shadow);
  align-items: center; justify-content: center; }

/* ===== Mobile overview: KPI 2 cột, header gọn, account menu, bottom nav spacing ===== */
@media (max-width: 760px) {
  .acct-menu-btn { display: inline-flex; }
  .topbar { position: relative; }
  /* .controls thành dropdown bật bởi nút avatar */
  .controls { position: absolute; right: 12px; top: calc(100% + 4px); z-index: 70;
    flex-direction: column; align-items: stretch; gap: 8px; width: min(240px, calc(100vw - 24px));
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md);
    box-shadow: var(--shadow-lg); padding: 12px; display: none; }
  .controls.open { display: flex; }
  .controls #userSelect, .controls .user-chip { width: 100%; }
  .controls .user-chip { justify-content: space-between; }
  /* chừa chỗ cho bottom nav + safe area; nội dung cuối không bị che */
  body { padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px)); }
  .chart-pane { height: 220px; }
  .pie-wrap { height: 200px; }
  .seg-ctrl button { padding: 6px 10px; font-size: 12px; }
  .range-wrap .daterange { left: 0; right: auto; }
}
/* Chat FAB nằm trên bottom nav (mobile) */
@media (max-width: 760px) {
  .chat-fab { bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
}

/* ===== Trang Kế hoạch ===== */
.plan-cta { display: flex; gap: 8px; flex-wrap: wrap; }
.sec-title { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; margin: 4px 0 12px; }
.sec-title .ic { color: var(--accent); }

/* Tổng quan KPI */
.plan-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.plan-kpis .card { padding: 14px 16px; }
.plan-kpis .card .label { font-size: 13px; }
.plan-kpis .card .value { font-size: 20px; }
.plan-kpis.hidden { display: none; }

/* Ngân sách tháng (tổng) — cấp thị giác cao hơn danh mục */
.budget-total-card { background: linear-gradient(135deg, var(--panel), color-mix(in srgb, var(--accent-yellow) 16%, var(--panel)));
  border: 1px solid color-mix(in srgb, var(--accent-yellow) 45%, var(--border)); border-radius: var(--r-lg);
  padding: 18px 20px; box-shadow: var(--shadow); margin-bottom: 18px; }
.budget-total-card.over { border-color: color-mix(in srgb, var(--chi) 45%, var(--border)); }
.budget-total-card .bt-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.bt-label { color: var(--muted); font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.bt-value { font-size: 26px; font-weight: 700; margin-top: 4px; letter-spacing: -.02em; }
.bt-sep { color: var(--muted); font-size: 17px; font-weight: 600; }
.bt-right { display: flex; align-items: center; gap: 6px; flex: none; }
.bt-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 8px; font-size: 14px; }
.bt-foot .pos { color: var(--thu); font-weight: 700; } .bt-foot .neg { color: var(--chi); font-weight: 700; }
.budget-total-card.empty .empty-cta { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 10px; color: var(--muted); }

/* Card ngân sách danh mục */
.budget-cat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; box-shadow: var(--shadow); }
.budget-cat.over { border-color: color-mix(in srgb, var(--chi) 35%, var(--border)); }
.bc-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.bc-name { font-size: 16px; font-weight: 700; }
.bc-actions { display: flex; align-items: center; gap: 4px; flex: none; }
.bc-amts { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.bc-amts b { color: var(--text); font-weight: 600; }
.bc-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 8px; font-size: 13px; color: var(--muted); }
.bc-foot .pos { color: var(--thu); } .bc-foot .neg { color: var(--chi); }

/* Card mục tiêu */
.goal-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; box-shadow: var(--shadow); }
.goal-card.done { border-color: color-mix(in srgb, var(--thu) 40%, var(--border)); }
.gc-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.gc-name { font-size: 16px; font-weight: 700; }
.gc-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px; }
.gc-stats > div { display: flex; flex-direction: column; gap: 2px; }
.gc-lbl { color: var(--muted); font-size: 12px; }
.gc-stats b { font-size: 14px; }
.gc-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 8px; }
.gc-meta { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.g-han { display: inline-flex; align-items: center; gap: 4px; }

/* Menu ⋯ (details) trên các card */
.card-menu { position: relative; }
.card-menu > summary { list-style: none; cursor: pointer; width: 36px; height: 36px; border-radius: var(--r-pill);
  display: inline-flex; align-items: center; justify-content: center; color: var(--muted); font-size: 20px; line-height: 1; }
.card-menu > summary::-webkit-details-marker { display: none; }
.card-menu > summary:hover { background: var(--panel2); color: var(--text); }
.card-menu[open] > summary { background: var(--panel2); color: var(--text); }
.menu-pop { position: absolute; right: 0; top: calc(100% + 4px); z-index: 30; min-width: 160px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-md); box-shadow: var(--shadow-lg); padding: 6px; }
.menu-item { display: flex; align-items: center; gap: 8px; width: 100%; text-align: left; background: transparent; border: none;
  cursor: pointer; padding: 9px 10px; border-radius: var(--r-sm); color: var(--text); font-size: 14px; min-height: 38px; }
.menu-item:hover { background: var(--panel2); }
.menu-item.budget-del:hover, .menu-item.total-del:hover, .menu-item.goal-del:hover { color: var(--chi); }

/* Lưới desktop: ngân sách danh mục (rộng) + mục tiêu (hẹp) */
.plan-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; align-items: start; }
.plan-col { min-width: 0; }
@media (max-width: 1100px) { .plan-grid { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .gc-stats { grid-template-columns: 1fr 1fr; }
  .bt-value { font-size: 22px; }
  .plan-cta { width: 100%; }
  .plan-cta .add-btn { flex: 1; justify-content: center; }
}

/* Đợt 2: định kỳ & hóa đơn */
.plan-recurring { margin-top: 18px; }
.budget-cat.rec-paused { opacity: .6; }

/* Đợt 3: dòng tiền tổng */
.nw-line.nw-sum { border-top: 2px solid var(--border-strong); margin-top: 4px; padding-top: 8px; }

/* Đợt 1: badge chuyển tiền + nút số dư đầu kỳ */
.badge.transfer { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }
.nw-opening { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; background: transparent;
  border: 1px dashed var(--border-strong); border-radius: var(--r-pill); padding: 7px 12px; cursor: pointer;
  color: var(--muted); font-size: 13px; min-height: 36px; }
.nw-opening:hover { color: var(--text); border-color: var(--accent); }
.nw-opening b { color: var(--text); }

/* ============================================================
   Kế hoạch — bản thiết kế lại (toolbar kỳ, sections, form, states)
   ============================================================ */

/* Dòng ghi chú hồ sơ đang chỉnh */
.plan-subject-note { margin: 8px 0 0; font-size: 13px; color: var(--dautu);
  display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.plan-subject-note[hidden] { display: none; }

/* Toolbar chọn kỳ riêng cho tab Kế hoạch */
.plan-toolbar { display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin: 0 0 18px; }
.plan-period-nav { display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-pill);
  padding: 4px; box-shadow: var(--shadow); }
.pnav-btn { width: 38px; height: 38px; border-radius: var(--r-pill); border: none;
  background: transparent; color: var(--muted); cursor: pointer; display: inline-flex;
  align-items: center; justify-content: center; }
.pnav-btn:hover { background: var(--panel2); color: var(--text); }
.pnav-btn:disabled { opacity: .4; cursor: not-allowed; }
#planPrevPeriod .ic { transform: rotate(90deg); }
#planNextPeriod .ic { transform: rotate(-90deg); }
.plan-period-label { min-width: 132px; text-align: center; font-weight: 700;
  font-size: 15px; letter-spacing: -.01em; }

/* Điều hướng nội trang */
.plan-nav { display: flex; gap: 8px; overflow-x: auto; -webkit-overflow-scrolling: touch;
  margin: 0 0 20px; padding-bottom: 2px; scrollbar-width: thin; }
.plan-nav a { flex: none; padding: 8px 14px; border-radius: var(--r-pill);
  background: var(--panel2); border: 1px solid var(--border); color: var(--muted);
  font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; min-height: 38px;
  display: inline-flex; align-items: center; }
.plan-nav a:hover { color: var(--text); border-color: var(--border-strong); }
.plan-nav a.active { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.plan-nav a[hidden] { display: none; }

/* Sections + sub-sections */
.plan-section { margin: 0 0 22px; scroll-margin-top: 16px; }
.plan-subsec { margin-bottom: 18px; }
.plan-subhead { display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin: 0 0 12px; }
.plan-subtitle { font-size: 15px; font-weight: 700; margin: 0; }
.plan-context-note { font-size: 12px; color: var(--muted); margin: 0 0 12px;
  background: var(--panel2); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 8px 12px; }
.plan-context-note[hidden] { display: none; }

/* Form kế hoạch (đứng dọc, có actions + lỗi field) */
.plan-form { display: grid; gap: 14px; }
.plan-form.cols { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); align-items: start; }
.plan-form .field { gap: 6px; }
.plan-form .field input, .plan-form .field select { width: 100%; min-height: 42px;
  padding: 9px 12px; border-radius: var(--r-sm); border: 1px solid var(--border-strong);
  background: var(--panel2); color: var(--text); font-size: 14px; font-family: inherit; }
.plan-form .field input:focus, .plan-form .field select:focus,
.plan-form .field input.invalid:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.plan-form .form-actions { grid-column: 1 / -1; display: flex; gap: 10px;
  justify-content: flex-end; flex-wrap: wrap; }
.plan-form .form-actions .btn-primary, .plan-form .form-actions .btn-ghost { min-height: 42px; }
.plan-form .form-actions button:disabled { opacity: .6; cursor: progress; }

/* Lỗi inline dưới field */
.field-err { margin: 0; font-size: 12px; color: var(--chi); font-weight: 600;
  display: flex; align-items: center; gap: 4px; }
.field-err[hidden] { display: none; }
input[aria-invalid="true"], select[aria-invalid="true"] {
  border-color: var(--chi) !important; box-shadow: 0 0 0 1px var(--chi); }

/* Cảnh báo + preview trong form */
.form-warning { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 8px;
  background: color-mix(in srgb, var(--dautu) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--dautu) 40%, var(--border));
  border-radius: var(--r-sm); padding: 10px 12px; font-size: 13px; color: var(--text); }
.form-warning .ic { color: var(--dautu); flex: none; margin-top: 1px; }
.form-warning[hidden] { display: none; }
.form-preview { grid-column: 1 / -1; background: var(--panel2); border: 1px dashed var(--border-strong);
  border-radius: var(--r-sm); padding: 12px 14px; font-size: 13px; color: var(--text); line-height: 1.5; }
.form-preview[hidden] { display: none; }
.form-preview .fp-title { display: flex; align-items: center; gap: 6px; font-weight: 700;
  font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.form-preview .fp-title .ic { color: var(--accent); }
.form-preview b { font-weight: 700; }
.form-preview .pos { color: var(--thu); } .form-preview .neg { color: var(--chi); }

/* Skeleton loading */
.plan-skel { display: grid; gap: 12px; }
.skel-card { height: 84px; border-radius: var(--r-lg); border: 1px solid var(--border);
  background: linear-gradient(100deg, var(--panel) 30%, var(--panel2) 50%, var(--panel) 70%);
  background-size: 200% 100%; animation: skelpulse 1.2s ease-in-out infinite; }
.plan-kpis .skel-card { height: 64px; }
@keyframes skelpulse { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skel-card { animation: none; } }

/* Empty / error state với CTA */
.plan-error { text-align: center; color: var(--muted); padding: 24px 16px;
  border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); }
.plan-error .ic { color: var(--chi); width: 26px; height: 26px; }
.plan-error .retry-btn { margin-top: 10px; }
.empty-state .add-btn { margin-top: 12px; }

/* Empty state trong tab Kế hoạch: ô placeholder gọn, có ranh giới (scope riêng,
   không ảnh hưởng empty-state ở Đầu tư/Vay nợ/Giao dịch) */
.plan-section .empty-state {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 22px 16px; border: 1px dashed var(--border-strong);
  background: var(--panel); border-radius: var(--r-lg);
}
.plan-section .empty-state .ico { font-size: 28px; margin-bottom: 2px; }

/* KPI overview: nhãn trạng thái có chữ + icon */
.plan-kpis .card .kpi-sub { font-size: 12px; color: var(--muted); margin-top: 4px;
  display: inline-flex; align-items: center; gap: 4px; }
.plan-kpis .card .kpi-sub.warn { color: var(--dautu); }
.plan-kpis .card .kpi-sub.over { color: var(--chi); }
.plan-kpis .card .kpi-sub.ok { color: var(--thu); }
.plan-kpis .card .kpi-sub .ic { width: 13px; height: 13px; }

/* Dự báo: meta + ghi chú */
.fc-head { font-weight: 700; margin: 0 0 4px; }
.fc-note { color: var(--muted); font-size: 12px; margin: 10px 0 0; line-height: 1.5;
  display: flex; align-items: flex-start; gap: 6px; }
.fc-note .ic { flex: none; margin-top: 1px; color: var(--muted); }
.fc-impact { margin: 8px 0 0; font-size: 13px; }

/* Responsive */
@media (max-width: 760px) {
  .plan-toolbar { gap: 10px; }
  .plan-period-nav { flex: 1; justify-content: space-between; }
  .plan-period-label { flex: 1; }
  #budgetPeriodSeg { width: 100%; }
  #budgetPeriodSeg button { flex: 1; }
  .plan-subhead .add-btn { width: 100%; justify-content: center; }
  .plan-form.cols { grid-template-columns: 1fr; }
  .plan-form .form-actions { flex-direction: column-reverse; }
  .plan-form .form-actions button { width: 100%; justify-content: center; }
}