/* -----------------------------------------
   BoutiqOS Base Styles + Theme System
   ----------------------------------------- */

/* Root tokens */
:root {
  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: "Playfair Display", Georgia, Cambria, "Times New Roman", Times, serif;

  /* Base (light) */
  --bg: #faf9fb;
  --panel: #ffffff;
  --panel-2: #f3f4f6;
  --text: #0d0f14;
  --text-muted: #5b6471;
  --border: #e7e7ec;

  --brand: #5a7d4f;
  --brand-600: #4b6a42;
  --brand-700: #3d5736;
  --brand-300: #88a97e;

  --accent: #8a5cf6;
  --success: #12b886;
  --warning: #f59f00;
  --danger: #f03e3e;

  --shadow-1: 0 1px 2px rgba(10, 15, 25, .06), 0 8px 24px rgba(10, 15, 25, .04);
  --shadow-2: 0 6px 20px rgba(10, 15, 25, .10);

  --r-xs: 6px; --r-sm: 10px; --r-md: 14px; --r-lg: 18px; --r-xl: 24px;

  --s-1: .25rem; --s-2: .5rem; --s-3: .75rem; --s-4: 1rem; --s-5: 1.25rem; --s-6: 1.5rem; --s-8: 2rem; --s-10: 2.5rem;

  --sidebar-w: 270px;
  --topbar-h: 64px;
}

/* Dark base */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0f14; --panel: #131823; --panel-2: #0f1520;
    --text: #e6eaf2; --text-muted: #a8b2c1; --border: #1f2632;
    --brand: #98d4a6; --brand-600: #7ec491; --brand-700: #5bac71; --brand-300: #cfead6;
    --shadow-1: 0 2px 10px rgba(0,0,0,.35);
    --shadow-2: 0 10px 30px rgba(0,0,0,.45);
  }
}

/* Themes (same as before) */
html[data-theme="forest"] { --brand:#5a7d4f; --brand-600:#4b6a42; --brand-700:#3d5736; --brand-300:#88a97e; --accent:#2fb98e; }
html[data-theme="zen"] { --brand:#6b705c; --brand-600:#5a5f50; --brand-700:#4a4f43; --brand-300:#b7b7a4; --accent:#cb997e; }
html[data-theme="cosmic"] { --brand:#6c63ff; --brand-600:#5b53e0; --brand-700:#4a44bf; --brand-300:#a39dff; --accent:#23d5e3; }
html[data-theme="desert"] { --brand:#c98c46; --brand-600:#ae7639; --brand-700:#8e5f2d; --brand-300:#e3ba86; --accent:#3db2a2; }
html[data-theme="waterfall"] { --brand:#2d9cdb; --brand-600:#1f82bb; --brand-700:#17689a; --brand-300:#8fd3fe; --accent:#00c2a8; }
html[data-theme="arctic"] { --brand:#4fc3f7; --brand-600:#39a8d8; --brand-700:#2d86ae; --brand-300:#b3e5fc; --accent:#80deea; }
html[data-theme="moroccan"] { --brand:#3a7d8c; --brand-600:#2e6571; --brand-700:#234e57; --brand-300:#80b8c3; --accent:#d4a373; }
html[data-theme="himalayan"] { --brand:#d977ce; --brand-600:#c165b7; --brand-700:#a25098; --brand-300:#f0b8e9; --accent:#90e0ef; }
html[data-theme="temple"] { --brand:#7f5539; --brand-600:#704833; --brand-700:#5b3a29; --brand-300:#b08968; --accent:#e6ccb2; }
html[data-theme="peak"] { --brand:#0ea5e9; --brand-600:#0284c7; --brand-700:#0369a1; --brand-300:#7dd3fc; --accent:#22c55e; }
html[data-theme="light"] {}
html[data-theme="dark"] { --bg:#0c0f14; --panel:#131823; --panel-2:#0f1520; --text:#e6eaf2; --text-muted:#a8b2c1; --border:#1f2632; }

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.no-scroll { overflow: hidden; }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: var(--panel-2); color: var(--text); padding: .6rem 1rem; border-radius: var(--r-sm);
}
.skip-link:focus { left: .5rem; top: .5rem; z-index: 9999; }

/* App Shell */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 100dvh;
  min-height: 100dvh;
}

/* Sidebar */
.sidebar {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-right: 1px solid var(--border);
  padding: var(--s-6) var(--s-4);
  position: sticky; top: 0; height: 100dvh;
  overflow-y: auto;
}
.brand { display:flex; align-items:center; gap:var(--s-4); padding:var(--s-4) var(--s-2); margin-bottom:var(--s-6); }
.brand-mark {
  width:44px; height:44px; border-radius:14px;
  background: radial-gradient(120% 120% at 20% 20%, var(--brand-300), var(--brand) 60%, var(--brand-700));
  box-shadow: var(--shadow-1); display:grid; place-items:center; color:#fff; font-weight:700;
}
.brand-text .brand-title { display:block; font-weight:700; letter-spacing:.2px; }
.brand-text .brand-sub { display:block; font-size:.85rem; color:var(--text-muted); }

.nav { display:grid; gap:.25rem; }
.nav-section { margin: var(--s-6) var(--s-2) var(--s-2); font-size:.75rem; letter-spacing:.04em; text-transform:uppercase; color:var(--text-muted); }
.nav-link {
  display:flex; align-items:center; gap:.6rem;
  padding:.65rem .8rem; border-radius:var(--r-sm);
  color:var(--text); text-decoration:none; border:1px solid transparent;
}
.nav-link:hover { background: color-mix(in oklab, var(--brand) 14%, transparent); border-color: color-mix(in oklab, var(--brand) 22%, transparent); }
.nav-ico { width: 1.25rem; text-align:center; }
.sidebar-footer { margin-top:auto; padding-top:var(--s-6); }
.sidebar-close {
  display:none; position:absolute; top:.75rem; right:.75rem;
  border:1px solid var(--border); background:var(--panel-2); border-radius:var(--r-sm);
  width:36px; height:36px; align-items:center; justify-content:center;
}

/* Main */
.main {
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr auto;
  min-width: 0;
}

/* Topbar */
.topbar {
  height: var(--topbar-h);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 var(--s-6);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.bar-left { display:flex; align-items:center; gap:.75rem; }
.breadcrumbs { display:flex; gap:.5rem; align-items:center; }
.crumb { text-decoration:none; color:var(--text-muted); font-size:.95rem; }
.crumb:hover { color: var(--text); }
.top-actions { display:flex; align-items:center; gap:.5rem; }
.user-chip { background:var(--panel-2); border:1px solid var(--border); padding:.35rem .6rem; border-radius:999px; font-size:.9rem; }

/* Hamburger button */
.sidebar-toggle {
  display:none; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:var(--r-sm);
  background: var(--panel-2); border: 1px solid var(--border); cursor: pointer;
}
.hamburger, .hamburger::before, .hamburger::after {
  content:""; display:block; width:18px; height:2px; background:var(--text); border-radius:2px; position:relative;
}
.hamburger::before { position:absolute; top:-6px; }
.hamburger::after { position:absolute; top:6px; }

/* Content & Footer */
.content { padding: var(--s-8); display:grid; gap: var(--s-6); }
.footer { padding: var(--s-4) var(--s-6); color:var(--text-muted); border-top:1px solid var(--border); background:var(--panel); }

/* UI atoms */
.card { background:var(--panel); border:1px solid var(--border); border-radius:var(--r-lg); box-shadow:var(--shadow-1); padding:var(--s-6); }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.5rem; padding:.6rem 1rem; border-radius:var(--r-md); border:1px solid transparent; background:var(--panel-2); color:var(--text); cursor:pointer; transition: transform .04s ease, background .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background:linear-gradient(180deg, color-mix(in oklab, var(--brand) 80%, #fff), var(--brand-600)); color:#fff; border-color: color-mix(in oklab, var(--brand-700) 80%, transparent); box-shadow: var(--shadow-2); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-danger { background:linear-gradient(180deg, color-mix(in oklab, var(--danger) 80%, #fff), #c92a2a); color:#fff; border-color:#a61e1e; }
.btn-sm { padding:.4rem .6rem; border-radius:var(--r-sm); font-size:.9rem; }
.w-100 { width:100%; }

.field { display:grid; gap:.4rem; }
.label { font-size:.9rem; color:var(--text-muted); }
.input, .select, .textarea { width:100%; padding:.65rem .8rem; border:1px solid var(--border); border-radius:var(--r-md); background:var(--panel); color:var(--text); }
.textarea { min-height: 120px; resize: vertical; }

/* Tables */
.table { width:100%; border-collapse:collapse; border-spacing:0; overflow:hidden; border-radius:var(--r-lg); box-shadow:var(--shadow-1); }
.table th, .table td { padding:.9rem 1rem; text-align:left; border-bottom:1px solid var(--border); }
.table thead th { background:var(--panel-2); color:var(--text-muted); font-weight:600; }
.table tbody tr:hover { background: color-mix(in oklab, var(--brand) 10%, transparent); }
.table-wrap { overflow-x:auto; }

/* Toasts */
.toasts { position:fixed; right:20px; bottom:20px; z-index:9999; display:grid; gap:.5rem; }
.toast { background:var(--panel); border:1px solid var(--border); border-left:6px solid var(--brand); padding:.75rem 1rem; border-radius:var(--r-md); box-shadow:var(--shadow-1); }

/* Section head */
.section-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:var(--s-4); }
.section-title { margin:0; font-size:1.1rem; }
.quick-actions { display:flex; gap:.5rem; flex-wrap:wrap; }

/* Grids */
.grid-2 { display:grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
.grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
.grid-4 { display:grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Modal (dialog) */
dialog.modal-card { width:min(980px, 96vw); max-height:92dvh; border:none; padding:0; border-radius:var(--r-lg); box-shadow:var(--shadow-2); background:var(--panel); color:var(--text); overflow:auto; }
dialog .modal-head { display:flex; align-items:center; justify-content:space-between; gap:.75rem; padding:var(--s-4) var(--s-4) var(--s-3); border-bottom:1px solid var(--border); }
dialog .modal-body { padding:var(--s-4); }
dialog .modal-actions { display:flex; justify-content:flex-end; gap:.5rem; margin-top:var(--s-3); }
dialog::backdrop { background: color-mix(in oklab, black 45%, transparent); backdrop-filter: blur(2px); }

/* Read-only affordances */
.readonly .input, .readonly .textarea, .readonly .select { pointer-events:none; opacity:.9; }
.readonly .modal-actions .btn-primary { display:none; }

/* === Responsive Enhancements === */
@media (max-width: 1200px) {
  .content { padding: var(--s-6); }
}
@media (max-width: 1024px) {
  .app-shell { grid-template-columns: 84px 1fr; }
  .brand-text { display:none; }
  .nav-link { justify-content:center; padding:.75rem 0; }
  .content { padding: var(--s-5); }
  .card { padding: var(--s-5); }
  .section-head { flex-wrap: wrap; gap: var(--s-3); }
  .section-head .actions { flex-wrap: wrap; justify-content:flex-end; width:100%; }
  .section-title { font-size:1rem; }
}
@media (max-width: 720px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(85vw, 300px); transform: translateX(-100%); transition: transform .25s ease; z-index: 100; height: 100dvh; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display:flex; }
  .sidebar-toggle { display:inline-flex; }
  .topbar { padding: 0 var(--s-4); gap: var(--s-3); flex-wrap: wrap; }
  .breadcrumbs { flex: 1 1 auto; min-width: 0; overflow-x: auto; font-size: .95rem; }
  .top-actions { flex: 0 0 auto; gap: .5rem; }
  .sidebar-backdrop { position:fixed; inset:0; background:rgba(0,0,0,.4); backdrop-filter: blur(1px); z-index: 90; }
}
@media (max-width: 600px) {
  .input, .select, .textarea, .btn { width:100%; }
  .btn { font-size:.9rem; padding:.6rem .8rem; }
  .field { gap:.3rem; }
  .label { font-size:.85rem; }
}

/* Mobile table reflow */
@media (max-width: 720px) {
  .toolbar { display:grid !important; grid-template-columns: 1fr; gap: var(--s-3); }
  .table th, .table td { padding:.65rem .75rem; font-size:.9rem; white-space:nowrap; }
  .table thead { display:none; }
  .table tbody tr { display:grid; grid-template-columns:1fr; border-bottom:1px solid var(--border); margin-bottom:var(--s-3); padding: var(--s-3) 0; }
  .table tbody td { display:flex; justify-content:space-between; text-align:right; }
  .table tbody td::before { content: attr(data-label); font-weight:600; color:var(--text-muted); text-align:left; padding-right:var(--s-4); }
}

/* Typography scale for very small screens */
@media (max-width: 420px) {
  body { font-size: 15px; line-height: 1.45; }
  h1,h2,h3 { font-size: 1.1rem; }
}

/* Focus styles */
:focus-visible { outline: 2px solid color-mix(in oklab, var(--brand) 70%, white); outline-offset: 2px; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* === Center cards + table content on small screens === */
@media (max-width: 720px) {
  /* Card content */
  .card { text-align: center; }

  /* Card section header */
  .card .section-head {
    flex-direction: column;
    align-items: center;
    gap: var(--s-3);
  }
  .card .section-title { text-align: center; }

  /* Common action rows inside cards */
  .card .quick-actions,
  .card .section-head .actions {
    width: 100%;
    justify-content: center;
  }

  /* KPI blocks commonly used in cards */
  .kpi { justify-items: center; text-align: center; }

  /* Tables in cards: stack label above value, center both */
  .table thead { display: none; }            /* keep header hidden on mobile */
  .table tbody tr {
    display: grid;
    grid-template-columns: 1fr;
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--s-3);
    padding: var(--s-3) 0;
  }
  .table tbody td {
    display: block;
    text-align: center;
    padding: .5rem 0;
  }
  .table tbody td::before {
    display: block;
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: .25rem;
    text-align: center;
  }
}

.kpi-card {
  display: block;
  text-decoration: none;
  color: inherit;
}