/* ============================================================
   ProfitTrack - Giao diện "sổ cái tài chính"
   ============================================================ */
:root {
  --paper: #FAFAF6;
  --surface: #FFFFFF;
  --ink: #15212B;
  --ink-soft: #5B6670;
  --ink-faint: #8A939B;
  --line: #E7E8E2;
  --line-strong: #D3D5CD;
  --accent: #0E7C66;       /* emerald sâu = lợi nhuận */
  --accent-deep: #0A5C4C;
  --accent-soft: #E6F3EE;
  --loss: #C23B30;         /* đỏ = chi phí / âm */
  --loss-soft: #FBEDEB;
  --warn: #B9822A;
  --sidebar: #11222B;
  --sidebar-ink: #AEBCC2;
  --sidebar-ink-dim: #6E7F86;
  --shadow: 0 1px 2px rgba(20,33,43,.05), 0 4px 16px rgba(20,33,43,.04);
  --radius: 10px;
  --ch-fb: #3A6EA5;
  --ch-google: #C98A2B;
  --ch-tiktok: #16303a;
  --ch-direct: #8A939B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: 236px; flex-shrink: 0;
  background: var(--sidebar);
  color: var(--sidebar-ink);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand {
  padding: 22px 22px 18px;
  display: flex; align-items: center; gap: 11px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #14a07f);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 17px;
}
.brand b { color: #fff; font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.brand span { display: block; font-size: 11px; color: var(--sidebar-ink-dim); font-weight: 500; letter-spacing: .02em; }
.nav { padding: 14px 12px; flex: 1; }
.nav-label { font-size: 11px; color: var(--sidebar-ink-dim); padding: 10px 12px 6px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; margin: 2px 0; border-radius: 8px;
  color: var(--sidebar-ink); text-decoration: none;
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background .12s, color .12s;
}
.nav a svg { width: 18px; height: 18px; opacity: .8; }
.nav a:hover { background: rgba(255,255,255,.05); color: #fff; }
.nav a.active { background: var(--accent); color: #fff; }
.nav a.active svg { opacity: 1; }
.sidebar-foot { padding: 16px 22px; font-size: 11.5px; color: var(--sidebar-ink-dim); border-top: 1px solid rgba(255,255,255,.07); }

/* ---------- Main ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 28px;
  background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.topbar .sub { font-size: 12.5px; color: var(--ink-soft); font-weight: 400; }
.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.control {
  display: flex; align-items: center; gap: 7px;
  background: var(--paper); border: 1px solid var(--line-strong);
  border-radius: 8px; padding: 7px 11px; font-size: 13px;
}
.control label { color: var(--ink-soft); font-weight: 500; font-size: 12.5px; }
.control input[type=date] { border: none; background: transparent; font: inherit; color: var(--ink); font-size: 13px; }
.control select { border: none; background: transparent; font: inherit; color: var(--ink); cursor: pointer; }
.toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--accent); width: 15px; height: 15px; }

.content { padding: 24px 28px 48px; max-width: 1240px; width: 100%; }
.page { display: none; }
.page.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- KPI row ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 22px; }
.kpi {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.kpi .k-label { font-size: 12.5px; color: var(--ink-soft); font-weight: 500; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.kpi .k-val { font-size: 25px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.kpi .k-sub { font-size: 12px; color: var(--ink-faint); margin-top: 5px; }
.kpi.hero { background: linear-gradient(140deg, #0E7C66, #0a6d58); border-color: transparent; }
.kpi.hero .k-label, .kpi.hero .k-sub { color: rgba(255,255,255,.78); }
.kpi.hero .k-val { color: #fff; font-size: 30px; }
.pos { color: var(--accent); }
.neg { color: var(--loss); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 18px; margin-bottom: 22px; }
.grid.c2 { grid-template-columns: 1.6fr 1fr; }
.grid.c2b { grid-template-columns: 1fr 1fr; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.card-head { padding: 15px 18px 0; display: flex; align-items: baseline; justify-content: space-between; }
.card-head h3 { font-size: 15px; font-weight: 650; letter-spacing: -.01em; }
.card-head .muted { font-size: 12.5px; color: var(--ink-faint); }
.card-body { padding: 16px 18px; }

/* ---------- Ledger (bridge Doanh thu -> Lợi nhuận) ---------- */
.ledger { width: 100%; }
.ledger .row { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.ledger .row:last-child { border-bottom: none; }
.ledger .row .lbl { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink); }
.ledger .row .bar { height: 8px; border-radius: 4px; background: var(--accent-soft); }
.ledger .row .amt { font-weight: 600; font-size: 14.5px; }
.ledger .row.cost .amt { color: var(--loss); }
.ledger .row.subtotal { border-top: 2px solid var(--line-strong); border-bottom: none; margin-top: 4px; padding-top: 11px; }
.ledger .row.total { background: var(--accent-soft); margin: 8px -18px -16px; padding: 14px 18px; border-radius: 0 0 var(--radius) var(--radius); border: none; }
.ledger .row.total .lbl { font-weight: 700; font-size: 15px; }
.ledger .row.total .amt { font-weight: 800; font-size: 19px; color: var(--accent-deep); }
.dot { width: 9px; height: 9px; border-radius: 3px; flex-shrink: 0; }

/* ---------- Table ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tbl th {
  text-align: left; padding: 11px 14px; color: var(--ink-soft);
  font-weight: 600; font-size: 12px; letter-spacing: .02em;
  border-bottom: 1px solid var(--line-strong); white-space: nowrap;
  background: var(--paper); position: sticky; top: 0;
}
table.tbl th.r, table.tbl td.r { text-align: right; }
table.tbl td { padding: 11px 14px; border-bottom: 1px solid var(--line); }
table.tbl tr:hover td { background: #FCFCFA; }
table.tbl td .sku { font-size: 11.5px; color: var(--ink-faint); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; }
.pill.ch-facebook { background: #e9f0f8; color: var(--ch-fb); }
.pill.ch-google { background: #f8f0e0; color: var(--ch-google); }
.pill.ch-tiktok { background: #e5edef; color: var(--ch-tiktok); }
.pill.ch-direct { background: #eef0f0; color: var(--ink-soft); }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 6px; font-weight: 600; }
.tag.good { background: var(--accent-soft); color: var(--accent-deep); }
.tag.bad { background: var(--loss-soft); color: var(--loss); }

/* ---------- Chart ---------- */
.chart-box { position: relative; height: 290px; }
.chart-box.sm { height: 230px; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; font-size: 12.5px; color: var(--ink-soft); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Forms / buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--accent); color: #fff; border: none;
  padding: 9px 15px; border-radius: 8px; font: inherit; font-weight: 600; font-size: 13.5px;
  cursor: pointer; transition: background .12s;
}
.btn:hover { background: var(--accent-deep); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line-strong); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; }
.btn.danger { background: transparent; color: var(--loss); border: 1px solid var(--loss-soft); }
input.field, select.field {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line-strong);
  border-radius: 8px; font: inherit; font-size: 13.5px; background: var(--surface); color: var(--ink);
}
input.field:focus, select.field:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 2fr 1.3fr 1.3fr 1fr auto; gap: 10px; align-items: end; }
.form-row .fld label { display: block; font-size: 12px; color: var(--ink-soft); margin-bottom: 5px; font-weight: 500; }

/* ---------- Integration cards ---------- */
.intg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.intg {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow);
}
.intg .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.intg .ic { width: 40px; height: 40px; border-radius: 9px; display: grid; place-items: center; font-weight: 800; color: #fff; font-size: 15px; }
.status { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 20px; white-space: nowrap; }
.status.on { background: var(--accent-soft); color: var(--accent-deep); }
.status.ready { background: #FBF3E3; color: #9a6a1e; }
.status.off { background: #f0f0ee; color: var(--ink-soft); }
.intg h4 { font-size: 15px; margin: 0; }
.intg .intg-kind { font-size: 11.5px; color: var(--ink-faint); }
.intg p { font-size: 12.5px; color: var(--ink-soft); margin: 2px 0 12px; line-height: 1.5; }
.intg-form { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.fld-label { font-size: 12px; color: var(--ink-soft); font-weight: 500; margin-top: 6px; }
.intg-input { font-size: 13px; padding: 8px 10px; }
.intg-help { margin-bottom: 12px; }
.intg-help summary { font-size: 12px; color: var(--accent); cursor: pointer; font-weight: 500; }
.intg-help p { font-size: 11.5px; color: var(--ink-faint); margin: 6px 0 0; }
.intg-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.intg-status { font-size: 11.5px; color: var(--ink-faint); margin-top: 9px; min-height: 14px; }

.notice {
  background: #FBF6EA; border: 1px solid #EBDDBF; color: #6b5420;
  border-radius: var(--radius); padding: 13px 16px; font-size: 13px; margin-bottom: 20px;
  display: flex; gap: 10px; align-items: flex-start;
}
.notice svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 1px; }

.toast {
  position: fixed; bottom: 22px; right: 22px; z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 9px;
  font-size: 13.5px; box-shadow: 0 8px 28px rgba(0,0,0,.2);
  opacity: 0; transform: translateY(10px); transition: all .22s; pointer-events: none;
}
.toast.show { opacity: 1; transform: none; }
.loading { color: var(--ink-faint); font-size: 13.5px; padding: 30px; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid.c2, .grid.c2b { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .sidebar { position: fixed; left: -236px; z-index: 50; transition: left .2s; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  .sidebar.open { left: 0; }
  .menu-btn { display: grid !important; }
  .content { padding: 18px 16px 40px; }
  .topbar { padding: 14px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .kpi .k-val { font-size: 22px; }
}
.menu-btn { display: none; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface); cursor: pointer; }
.backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 40; }
.backdrop.show { display: block; }

/* ========== Auth page ========== */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; background: var(--paper); }
.auth-card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 32px 28px; }
.auth-brand { display: flex; align-items: center; gap: 11px; justify-content: center; margin-bottom: 6px; }
.auth-brand .logo { width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), #14a07f); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 19px; }
.auth-brand b { font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.auth-sub { text-align: center; color: var(--ink-soft); font-size: 13.5px; margin-bottom: 22px; }
.auth-tabs { display: flex; gap: 6px; background: var(--paper); padding: 4px; border-radius: 10px; margin-bottom: 20px; }
.auth-tabs button { flex: 1; padding: 9px; border: none; background: transparent; border-radius: 7px; font: inherit; font-weight: 600; font-size: 14px; color: var(--ink-soft); cursor: pointer; }
.auth-tabs button.active { background: var(--surface); color: var(--accent-deep); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.auth-field { margin-bottom: 14px; }
.auth-field label { display: block; font-size: 12.5px; color: var(--ink-soft); font-weight: 500; margin-bottom: 6px; }
.auth-field input { width: 100%; padding: 11px 13px; border: 1px solid var(--line-strong); border-radius: 9px; font: inherit; font-size: 14px; background: var(--surface); color: var(--ink); }
.auth-field input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.auth-btn { width: 100%; padding: 12px; background: var(--accent); color: #fff; border: none; border-radius: 9px; font: inherit; font-weight: 700; font-size: 14.5px; cursor: pointer; margin-top: 4px; }
.auth-btn:hover { background: var(--accent-deep); }
.auth-btn:disabled { opacity: .6; cursor: default; }
.auth-err { background: var(--loss-soft); color: var(--loss); border-radius: 8px; padding: 10px 12px; font-size: 13px; margin-bottom: 14px; display: none; }
.auth-err.show { display: block; }
.auth-note { font-size: 12px; color: var(--ink-faint); text-align: center; margin-top: 16px; }

/* ========== Topbar workspace switcher + user ========== */
.ws-switch { display: flex; align-items: center; gap: 7px; background: var(--paper); border: 1px solid var(--line-strong); border-radius: 8px; padding: 6px 11px; font-size: 13px; }
.ws-switch select { border: none; background: transparent; font: inherit; color: var(--ink); cursor: pointer; font-weight: 600; max-width: 180px; }
.role-badge { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 5px; text-transform: uppercase; letter-spacing: .03em; }
.role-owner { background: #FBF3E3; color: #9a6a1e; }
.role-admin { background: var(--accent-soft); color: var(--accent-deep); }
.role-member { background: #eef0f0; color: var(--ink-soft); }
.user-menu { display: flex; align-items: center; gap: 9px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }

/* ========== Empty state ========== */
.empty { text-align: center; padding: 48px 24px; color: var(--ink-soft); }
.empty .ic { font-size: 40px; margin-bottom: 12px; opacity: .7; }
.empty h3 { font-size: 17px; color: var(--ink); margin-bottom: 7px; }
.empty p { font-size: 13.5px; max-width: 420px; margin: 0 auto 16px; line-height: 1.55; }

/* ========== Modal ========== */
.modal-bg { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 60; place-items: center; padding: 16px; }
.modal-bg.show { display: grid; }
.modal { background: var(--surface); border-radius: 13px; box-shadow: 0 12px 40px rgba(0,0,0,.25); width: 100%; max-width: 440px; padding: 24px; }
.modal h3 { font-size: 17px; margin-bottom: 16px; }
.modal .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* language button */
.lang-btn { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft); border-radius: 7px; padding: 5px 11px; font: inherit; font-size: 12.5px; font-weight: 700; cursor: pointer; letter-spacing: .03em; }
.lang-btn:hover { background: var(--paper); color: var(--ink); }