/* ==========================================================================
   PF Rent · smartBIZ Copilot design system
   AiALL S.R.L. — IBM Plex Sans/Mono, paletă navy/teal, light + dark
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  /* Brand */
  --brand-navy: #1F4788;
  --brand-navy-2: #2A5899;
  --brand-navy-3: #4A90B5;
  --brand-teal: #2D8B8E;
  --brand-teal-2: #247376;

  /* Semantic */
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --info: #2563eb;

  /* Surfaces */
  --bg-page: #f4f6f8;
  --bg-card: #ffffff;
  --bg-subtle: #eef1f4;
  --bg-inset: #f7f9fa;
  --bg-input: #ffffff;
  --bg-nav: #ffffff;
  --bg-elevated: #ffffff;
  --row-hover: rgba(45, 139, 142, .06);
  --overlay: rgba(15, 23, 42, .45);

  /* Text */
  --text: #16233a;
  --heading: #1F4788;
  --muted: #64748b;
  --faint: #94a3b8;
  --on-brand: #ffffff;

  /* Borders */
  --border: #e2e5e8;
  --border-subtle: #eef1f4;
  --border-strong: #cbd5e1;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, .07), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-raised: 0 4px 12px rgba(15, 23, 42, .07), 0 1px 3px rgba(15, 23, 42, .05);
  --shadow-pop: 0 12px 32px rgba(15, 23, 42, .14), 0 3px 8px rgba(15, 23, 42, .06);
  --ring: 0 0 0 3px rgba(45, 139, 142, .22);

  /* Radius */
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 999px;

  /* Metrics */
  --header-h: 60px;
  --sidebar-w: 244px;
  --gutter: 24px;
  --page-max: 1400px;
  /* Cadrul aplicației: sidebar + gutter + conținut + gutter */
  --shell-max: calc(var(--sidebar-w) + var(--page-max) + var(--gutter) * 2);
  /* Spațiul liber din stânga/dreapta cadrului pe ecrane late */
  --frame-gap: max(0px, calc((100% - var(--shell-max)) / 2));

  /* Type */
  --font: 'IBM Plex Sans', 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Courier New', monospace;

  --ease: cubic-bezier(.33, 0, .1, 1);
  --dur: 140ms;
}

html[data-theme="dark"] {
  color-scheme: dark;

  --bg-page: #0d1117;
  --bg-card: #161b27;
  --bg-subtle: #1b2231;
  --bg-inset: #131926;
  --bg-input: #0f141f;
  --bg-nav: #10151f;
  --bg-elevated: #1b2231;
  --row-hover: rgba(45, 139, 142, .12);
  --overlay: rgba(3, 6, 12, .66);

  --text: #e2e8f0;
  --heading: #f1f5f9;
  --muted: #8892a4;
  --faint: #64748b;

  --border: #232a3b;
  --border-subtle: #1d2535;
  --border-strong: #33405a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, .45), 0 1px 2px rgba(0, 0, 0, .3);
  --shadow-raised: 0 4px 14px rgba(0, 0, 0, .45);
  --shadow-pop: 0 18px 44px rgba(0, 0, 0, .6);
  --ring: 0 0 0 3px rgba(45, 139, 142, .32);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg-page); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 450;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { color: var(--heading); font-weight: 600; letter-spacing: -.015em; }

a { color: var(--brand-teal); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--brand-teal-2); }

button, input, select, textarea { font: inherit; color: inherit; }
button, summary { cursor: pointer; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border: 3px solid var(--bg-page); border-radius: var(--r-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.mono { font-family: var(--font-mono); font-size: .92em; letter-spacing: -.01em; }
.strong { font-weight: 600; }
.number { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }

.eyebrow {
  display: inline-block;
  color: var(--brand-teal);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   3. Header (smartBIZ shell)
   -------------------------------------------------------------------------- */
.topbar {
  position: fixed;
  z-index: 60;
  inset: 0 0 auto 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 0;
  padding-left: calc(var(--frame-gap) + var(--gutter));
  padding-right: calc(var(--frame-gap) + var(--gutter));
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
}

.brand, .auth-brand { display: inline-flex; align-items: center; gap: 11px; color: inherit; min-width: 0; }
.brand:hover { color: inherit; }
.brand > span:last-child { min-width: 0; }

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-2));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.brand-mark svg { position: absolute; inset: 0; }

.brand-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--heading);
}
.brand-smart { color: var(--brand-teal); }
.brand-biz { color: var(--brand-navy); }
html[data-theme="dark"] .brand-biz { color: var(--brand-navy-3); }
.brand-copilot { color: var(--text); font-weight: 500; margin-left: 5px; font-size: 15px; }

.module-meta { display: flex; align-items: center; gap: 6px; margin-top: 1px; }
.module-dot { width: 4px; height: 4px; border-radius: 1px; background: var(--brand-teal); flex-shrink: 0; }
.module-name { font-size: 11px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.module-version { font-family: var(--font-mono); font-size: 9px; color: var(--faint); }

.topbar-right { display: flex; align-items: center; gap: 14px; margin-left: auto; flex-shrink: 0; }

.topbar-context {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  line-height: 1.25;
  padding-right: 14px;
  border-right: 1px solid var(--border);
}
.company-name { font-size: 13px; font-weight: 600; color: var(--heading); }
.user-name { font-size: 11px; color: var(--muted); }

.topbar-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.copyright { font-size: 9px; font-weight: 500; color: var(--faint); white-space: nowrap; }
.copyright strong { font-weight: 600; color: var(--brand-navy); }
html[data-theme="dark"] .copyright strong { color: var(--brand-navy-3); }

.theme-toggle {
  display: flex;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-subtle);
}
.theme-seg {
  display: grid;
  place-items: center;
  width: 30px;
  height: 26px;
  color: var(--muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
html:not([data-theme="dark"]) .theme-seg[data-seg="light"] { background: var(--brand-navy); color: #fff; }
html[data-theme="dark"] .theme-seg[data-seg="dark"] { background: var(--brand-navy); color: #F59E0B; }

.mobile-menu {
  display: none;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-card);
  color: var(--heading);
}

/* --------------------------------------------------------------------------
   4. Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
  position: fixed;
  z-index: 50;
  top: var(--header-h);
  bottom: 0;
  left: var(--frame-gap);
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 12px 14px;
  overflow-y: auto;
  background: var(--bg-nav);
  border-right: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.sidebar nav { display: grid; gap: 2px; }

.nav-section {
  padding: 4px 12px 8px;
  color: var(--faint);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 38px;
  padding: 0 12px;
  border-radius: var(--r-md);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-link svg { width: 17px; height: 17px; flex-shrink: 0; stroke-width: 1.8; }
.nav-link:hover { background: var(--bg-subtle); color: var(--heading); }
.nav-link.active { background: rgba(45, 139, 142, .1); color: var(--brand-teal); font-weight: 600; }
.nav-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--brand-teal);
}

.sidebar-footer { display: grid; gap: 10px; padding: 14px 6px 0; border-top: 1px solid var(--border); }
.role-pill {
  justify-self: start;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.role-pill.light { justify-self: auto; }
.app-version { color: var(--faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: .02em; }
.link-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  transition: color var(--dur) var(--ease);
}
.link-button:hover { color: var(--danger); }
.table-action { color: var(--brand-teal); font-weight: 600; }
.table-action:hover { color: var(--brand-teal-2); }

.nav-scrim {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 45;
  background: var(--overlay);
  backdrop-filter: blur(2px);
}

/* --------------------------------------------------------------------------
   5. Page shell
   -------------------------------------------------------------------------- */
.app-main {
  min-height: 100vh;
  padding-top: calc(var(--header-h) + 22px);
  padding-bottom: 56px;
  padding-left: calc(var(--frame-gap) + var(--sidebar-w) + var(--gutter));
  padding-right: calc(var(--frame-gap) + var(--gutter));
}
.app-main > * { max-width: var(--page-max); margin-left: auto; margin-right: auto; }

.auth-main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(900px 420px at 15% -5%, rgba(45, 139, 142, .14), transparent 60%),
    radial-gradient(760px 420px at 92% 8%, rgba(31, 71, 136, .14), transparent 60%),
    var(--bg-page);
}

.page-heading { margin-bottom: 20px; }
.page-heading.split { display: flex; gap: 20px; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; }
.page-heading h1 { margin: 4px 0 5px; font-size: 25px; line-height: 1.2; }
.page-heading p { margin: 0; max-width: 76ch; color: var(--muted); font-size: 13px; }
.heading-kicker { display: flex; align-items: center; gap: 8px; }
.heading-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.button.primary { background: var(--brand-teal); color: #fff; box-shadow: var(--shadow-sm); }
.button.primary:hover { background: var(--brand-teal-2); color: #fff; }
.button.primary:active { background: #1e6265; }

.button.secondary { background: var(--bg-card); color: var(--heading); border-color: var(--border-strong); }
.button.secondary:hover { background: var(--bg-subtle); color: var(--heading); border-color: var(--muted); }

.button.danger { background: var(--bg-card); color: var(--danger); border-color: var(--border-strong); }
.button.danger:hover { background: rgba(220, 38, 38, .08); border-color: var(--danger); }

.button.small { min-height: 30px; padding: 0 11px; font-size: 12px; }
.button.full { width: 100%; }

/* --------------------------------------------------------------------------
   7. Metric cards
   -------------------------------------------------------------------------- */
.metric-grid {
  margin-bottom: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}
/* 5+ indicatori: 3 coloane, ca să nu rămână carduri orfane pe rândul doi */
@media (min-width: 1080px) {
  .metric-grid:has(> :nth-child(5)) { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.metric-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 16px 15px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}
.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--border-strong);
}
.metric-card > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.metric-card strong {
  margin: 6px 0 3px;
  color: var(--heading);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.metric-card small { color: var(--faint); font-size: 11px; line-height: 1.4; }

.metric-card.accent { background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-teal) 140%); border-color: transparent; }
.metric-card.accent::before { background: rgba(255, 255, 255, .35); }
.metric-card.accent > span { color: rgba(255, 255, 255, .78); }
.metric-card.accent strong { color: #fff; }
.metric-card.accent small { color: rgba(255, 255, 255, .66); }

/* --------------------------------------------------------------------------
   8. Panels
   -------------------------------------------------------------------------- */
.panel {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}
.panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.panel-heading h2 { margin: 2px 0 0; font-size: 16px; }
.panel-heading > a { font-size: 12px; font-weight: 600; }

.detail-grid {
  margin-bottom: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(280px, .75fr);
  gap: 16px;
  align-items: start;
}
.detail-grid > .panel, .two-column > .panel { margin-bottom: 0; }
.two-column { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, .7fr); gap: 16px; align-items: start; }

/* --------------------------------------------------------------------------
   9. Contract cards
   -------------------------------------------------------------------------- */
.contract-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); gap: 12px; }
.contract-card {
  display: flex;
  flex-direction: column;
  max-width: 480px;
  padding: 15px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-inset);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.contract-card:hover { color: var(--text); border-color: var(--brand-teal); box-shadow: var(--shadow-raised); transform: translateY(-1px); }
.contract-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.contract-card-top .mono { color: var(--muted); font-size: 11px; }
.contract-card h3 { margin: 12px 0 4px; font-size: 14px; }
.contract-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.contract-figures { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }
.contract-figures small { display: block; margin-bottom: 3px; color: var(--faint); font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
.contract-figures strong { color: var(--heading); font-family: var(--font-mono); font-size: 13px; font-weight: 600; }
.contract-figures span:last-child { text-align: right; }

/* --------------------------------------------------------------------------
   10. Status pills
   -------------------------------------------------------------------------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 20px;
  padding: 0 8px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--bg-subtle);
  color: var(--muted);
  border-color: var(--border);
}
.status::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.status.active, .status.validated { color: #0f7a5f; background: rgba(22, 163, 74, .1); border-color: rgba(22, 163, 74, .24); }
.status.draft { color: #b45309; background: rgba(217, 119, 6, .1); border-color: rgba(217, 119, 6, .24); }
.status.paid { color: var(--brand-navy); background: rgba(31, 71, 136, .1); border-color: rgba(31, 71, 136, .22); }
.status.closed, .status.terminated, .status.inactive { color: var(--muted); background: var(--bg-subtle); border-color: var(--border); }
html[data-theme="dark"] .status.active, html[data-theme="dark"] .status.validated { color: #4ade80; }
html[data-theme="dark"] .status.draft { color: #fbbf24; }
html[data-theme="dark"] .status.paid { color: var(--brand-navy-3); }

/* --------------------------------------------------------------------------
   11. Tables
   -------------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-card);
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--border-subtle); }
th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--bg-subtle);
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
td { font-size: 13px; }
td small { color: var(--muted); font-size: 11px; }
td .mono { font-size: 12px; }
td.number { font-family: var(--font-mono); font-size: 12.5px; }
tbody tr { transition: background var(--dur) var(--ease); }
tbody tr:hover { background: var(--row-hover); }
tbody tr:last-child td { border-bottom: 0; }

/* --------------------------------------------------------------------------
   12. Forms
   -------------------------------------------------------------------------- */
.form-panel {
  max-width: 1180px;
  margin-bottom: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}
.form-section { margin: 0 0 22px; padding: 0 0 20px; border: 0; border-bottom: 1px solid var(--border-subtle); }
.form-section:last-of-type { margin-bottom: 12px; padding-bottom: 0; border-bottom: 0; }
.form-section legend, .form-section h2 {
  width: 100%;
  margin: 0 0 14px;
  padding: 0 0 8px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.form-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px; }
.span-12 { grid-column: span 12; }
.span-8 { grid-column: span 8; }
.span-7 { grid-column: span 7; }
.span-6 { grid-column: span 6; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }
.span-3 { grid-column: span 3; }
.span-2 { grid-column: span 2; }

.field { display: grid; gap: 5px; min-width: 0; align-content: start; }
.field > span, .field-label { color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .03em; }
.field small { color: var(--faint); font-size: 10.5px; line-height: 1.4; }

input, select, textarea {
  width: 100%;
  min-height: 36px;
  padding: 7px 10px;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  font-size: 13px;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--faint); }
textarea { min-height: 78px; resize: vertical; line-height: 1.5; }
select {
  appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
}
input:hover, select:hover, textarea:hover { border-color: var(--muted); }
input:focus, select:focus, textarea:focus { border-color: var(--brand-teal); box-shadow: var(--ring); outline: none; }
input[type="file"] { padding: 6px 10px; color: var(--muted); font-size: 12px; }
input[type="file"]::file-selector-button {
  margin-right: 10px;
  padding: 5px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--bg-subtle);
  color: var(--heading);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
input[type="checkbox"], input[type="radio"] { width: 16px; height: 16px; min-height: 0; accent-color: var(--brand-teal); }

.checkbox { display: flex; align-items: center; gap: 9px; min-height: 36px; color: var(--text); font-size: 12.5px; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 4px; }
.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin: 0; }
.inline-form .field { flex: 1 1 190px; }

.form-disclosure { margin-top: 14px; border-top: 1px solid var(--border-subtle); }
.form-disclosure > summary {
  padding: 12px 2px 4px;
  color: var(--brand-teal);
  font-size: 12.5px;
  font-weight: 600;
  list-style: none;
}
.form-disclosure > summary::-webkit-details-marker { display: none; }
.form-disclosure > summary::before { content: "+ "; font-weight: 700; }
.form-disclosure[open] > summary::before { content: "− "; }
.form-disclosure .form-section { margin: 12px 0 0; padding: 0; border: 0; }

/* --------------------------------------------------------------------------
   13. Document line editor
   -------------------------------------------------------------------------- */
.line-editor { display: grid; gap: 10px; }
.document-line {
  display: grid;
  grid-template-columns: 1.15fr 1.9fr .5fr .8fr .55fr 1.15fr 32px;
  gap: 8px;
  align-items: end;
  padding: 11px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-inset);
}
.document-line label { display: grid; gap: 4px; min-width: 0; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .03em; }
.document-line input, .document-line select { min-height: 32px; padding: 5px 8px; font-size: 12px; }
.document-line select { padding-right: 26px; background-position: right 7px center; }
.line-delete {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--bg-card);
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.line-delete:hover { color: var(--danger); border-color: var(--danger); background: rgba(220, 38, 38, .07); }
.line-summary {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 20px;
  margin-top: 2px;
  padding-top: 9px;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 11px;
}
.line-summary strong { color: var(--heading); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.document-live-totals {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 26px;
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-subtle);
}
.document-live-totals span {
  display: grid;
  gap: 3px;
  min-width: 110px;
  text-align: right;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.document-live-totals strong {
  color: var(--heading);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.01em;
  text-transform: none;
  font-variant-numeric: tabular-nums;
}
.document-live-totals span:last-child strong { color: var(--brand-teal); }

/* --------------------------------------------------------------------------
   14. Info list, summaries, attachments
   -------------------------------------------------------------------------- */
.info-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px 20px; }
.info-item small { display: block; color: var(--faint); font-size: 10px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; }
.info-item strong { display: block; margin-top: 3px; color: var(--text); font-size: 13px; font-weight: 600; line-height: 1.4; }
.info-item strong + small { margin-top: 2px; font-weight: 500; letter-spacing: .02em; text-transform: none; }

.note { margin: 16px 0 0; padding: 12px 14px; border-left: 3px solid var(--brand-teal); border-radius: 0 var(--r-md) var(--r-md) 0; background: var(--bg-subtle); color: var(--muted); font-size: 12.5px; line-height: 1.55; }

.summary-stack { display: grid; gap: 0; }
.summary-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--border-subtle); font-size: 13px; }
.summary-row:last-child { border-bottom: 0; }
.summary-row span { color: var(--muted); }
.summary-row strong { color: var(--heading); font-family: var(--font-mono); font-weight: 600; font-variant-numeric: tabular-nums; }
.summary-row.total { margin-top: 4px; padding-top: 12px; border-top: 1px solid var(--border); border-bottom: 0; }
.summary-row.total strong { font-size: 17px; color: var(--brand-teal); }
a.summary-row { color: var(--text); }
a.summary-row:hover { color: var(--text); background: var(--row-hover); }
a.summary-row strong.mono { color: var(--brand-teal); }

.document-total-card { display: flex; flex-direction: column; gap: 2px; }
.document-total-card h2 { margin: 2px 0 10px; font-size: 16px; }
.document-total-card p { margin: 12px 0 0; color: var(--muted); font-size: 11.5px; line-height: 1.5; }

.attachments { display: grid; gap: 8px; }
.attachment { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-inset); }
.attachment strong { color: var(--heading); font-size: 13px; }
.attachment small { color: var(--faint); font-size: 11px; }

/* --------------------------------------------------------------------------
   15. Tabs, switcher, states
   -------------------------------------------------------------------------- */
.tabs { margin-bottom: 16px; }
.tab-list {
  display: flex;
  gap: 3px;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}
.tab-list a {
  flex: 0 0 auto;
  padding: 7px 13px;
  border-radius: var(--r-sm);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.tab-list a:hover { background: var(--bg-subtle); color: var(--heading); }
.tab-list a.active { background: var(--brand-teal); color: #fff; }
.admin-section { scroll-margin-top: calc(var(--header-h) + 16px); }

.company-switcher { position: relative; }
.company-switcher summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 13px;
  list-style: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: var(--bg-card);
  color: var(--heading);
  font-size: 13px;
  font-weight: 600;
}
.company-switcher summary::-webkit-details-marker { display: none; }
.company-switcher summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.8px solid var(--muted);
  border-bottom: 1.8px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
}
.company-switcher > div {
  position: absolute;
  z-index: 20;
  top: 42px;
  right: 0;
  min-width: 240px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-pop);
}
.company-switcher button { width: 100%; padding: 8px 10px; border: 0; border-radius: var(--r-sm); background: transparent; color: var(--text); font-size: 13px; text-align: left; }
.company-switcher button:hover { background: var(--bg-subtle); }

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
  background: var(--bg-inset);
}
.empty-state strong { display: block; margin-bottom: 6px; color: var(--heading); font-size: 15px; }
.empty-state p { max-width: 52ch; margin: 0 auto 16px; font-size: 13px; line-height: 1.55; }
.empty-state.compact { padding: 20px; }
.empty-state.compact p { margin: 0; }

.toast, .inline-alert {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
}
.toast { margin-bottom: 16px; box-shadow: var(--shadow-card); }
.toast.success, .inline-alert.success { color: #0f7a5f; background: rgba(22, 163, 74, .09); border-color: rgba(22, 163, 74, .26); }
.toast.error, .inline-alert.error { color: var(--danger); background: rgba(220, 38, 38, .08); border-color: rgba(220, 38, 38, .26); }
.inline-alert.warning { color: #b45309; background: rgba(217, 119, 6, .1); border-color: rgba(217, 119, 6, .28); }
html[data-theme="dark"] .toast.success, html[data-theme="dark"] .inline-alert.success { color: #4ade80; }
html[data-theme="dark"] .toast.error, html[data-theme="dark"] .inline-alert.error { color: #f87171; }
html[data-theme="dark"] .inline-alert.warning { color: #fbbf24; }
.inline-alert { margin-bottom: 14px; }

/* --------------------------------------------------------------------------
   16. Auth + error
   -------------------------------------------------------------------------- */
.auth-card {
  width: min(430px, 100%);
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--bg-card);
  box-shadow: var(--shadow-pop);
}
.auth-brand { margin-bottom: 26px; padding-bottom: 20px; border-bottom: 1px solid var(--border-subtle); }
.auth-brand strong { display: block; color: var(--heading); font-size: 15px; font-weight: 600; }
.auth-brand small { display: block; margin-top: 1px; color: var(--muted); font-size: 11px; }
.auth-copy h1 { margin: 6px 0 8px; font-size: 22px; }
.auth-copy p { margin: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.stack { display: grid; gap: 14px; }

.channel-picker { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0; padding: 0; border: 0; }
.channel-picker legend, .channel-legend { grid-column: 1 / -1; float: none; width: 100%; margin: 0 0 2px; padding: 0; color: var(--muted); font-size: 11px; font-weight: 600; }
.channel-picker label { position: relative; }
.channel-picker input { position: absolute; opacity: 0; width: 0; height: 0; }
.channel-picker label > span {
  display: grid;
  place-items: center;
  min-height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: var(--bg-card);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--dur) var(--ease);
}
.channel-picker input:checked + span { color: var(--brand-teal); border-color: var(--brand-teal); background: rgba(45, 139, 142, .1); font-weight: 600; }
.channel-picker input:focus-visible + span { box-shadow: var(--ring); }

.security-note { margin: 18px 0 0; color: var(--faint); font-size: 11px; text-align: center; line-height: 1.5; }
.otp-input { text-align: center; font-family: var(--font-mono); font-size: 24px; font-weight: 600; letter-spacing: .3em; text-indent: .3em; min-height: 52px; }
.back-link { display: block; margin-top: 16px; font-size: 12.5px; text-align: center; color: var(--muted); }
.back-link:hover { color: var(--brand-teal); }

.error-page { max-width: 540px; margin: 0 auto; padding: 70px 20px; text-align: center; }
.error-code { display: block; color: var(--brand-teal); font-family: var(--font-mono); font-size: 56px; font-weight: 600; letter-spacing: -.03em; }
.error-page h1 { margin: 6px 0 8px; font-size: 22px; }
.error-page p { margin: 0 0 22px; color: var(--muted); }

/* --------------------------------------------------------------------------
   17. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1240px) {
  :root { --sidebar-w: 218px; }
  .detail-grid, .two-column { grid-template-columns: 1fr; }
}

@media (max-width: 1080px) {
  .document-line { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .document-line .line-category, .document-line .line-description { grid-column: span 2; }
  .document-line .line-formula { grid-column: span 3; }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 0px; --header-h: 56px; }

  .topbar { padding: 0 12px; gap: 10px; }
  .mobile-menu { display: grid; order: -1; }
  .topbar-context { display: none; }
  .copyright { display: none; }
  .brand-copilot { display: none; }
  .module-sub { display: none; }
  .brand-title { font-size: 15px; }

  .sidebar {
    width: min(280px, 82vw);
    transform: translateX(-102%);
    transition: transform 200ms var(--ease);
    box-shadow: var(--shadow-pop);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar.open + .nav-scrim, .nav-scrim.open { display: block; }

  .app-main { padding: calc(var(--header-h) + 18px) 14px 40px; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-heading.split { align-items: flex-start; flex-direction: column; }
  .heading-actions { width: 100%; }
  .heading-actions > * { flex: 1 1 auto; }

  .panel, .form-panel { padding: 14px; }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid > .span-12, .form-grid > .span-8, .form-grid > .span-7, .form-grid > .span-6, .form-grid > .span-5 { grid-column: span 2; }
  .form-grid > .span-4, .form-grid > .span-3, .form-grid > .span-2 { grid-column: span 1; }

  .table-wrap table { min-width: 720px; }
  th { position: static; }
}

@media (max-width: 620px) {
  .page-heading h1 { font-size: 21px; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card { padding: 13px; }
  .metric-card strong { font-size: 18px; }
  .contract-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid > * { grid-column: span 1 !important; }

  .document-line { grid-template-columns: 1fr 1fr; }
  .document-line > * { grid-column: span 1; }
  .document-line .line-category, .document-line .line-description, .document-line .line-formula { grid-column: 1 / -1; }
  .line-delete { grid-column: 1 / -1; justify-self: end; }
  .line-summary { justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; }
  .document-live-totals { justify-content: space-between; gap: 12px; }
  .document-live-totals span { min-width: 0; flex: 1 1 44%; }

  .auth-main { padding: 14px; }
  .auth-card { padding: 22px 18px; }
  .form-actions { flex-direction: column-reverse; }
  .form-actions .button { width: 100%; }
}

@media (max-width: 479px) {
  .metric-card strong { font-size: 16px; }
  .metric-card > span { font-size: 10px; letter-spacing: .03em; }
}

@media (max-width: 379px) {
  .metric-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media print {
  .topbar, .sidebar, .nav-scrim, .heading-actions, .form-actions, .mobile-menu { display: none !important; }
  .app-main { padding: 0; }
  .panel, .metric-card, .table-wrap { box-shadow: none; break-inside: avoid; }
}