/* ===================================================================
   gestion.cavist.fr — feuille de style glassmorphism
   Palette cavist.fr : caramel #e2a975, brun chaud #6c4f44,
                       doré #af7f51, sombre #2c2723
   =================================================================== */

:root {
  /* Palette */
  --c-bg-deep:      #14100e;
  --c-bg-mid:       #2c2723;
  --c-bg-soft:      #3a322c;
  --c-brown:        #6c4f44;
  --c-caramel:      #e2a975;
  --c-gold:         #af7f51;
  --c-cream:        #f3ead5;
  --c-text:         rgba(243, 234, 213, 0.95);
  --c-text-muted:   rgba(243, 234, 213, 0.55);
  --c-text-dim:     rgba(243, 234, 213, 0.35);
  --c-danger:       #d36a6a;
  --c-success:      #7bb389;

  /* Glass */
  --glass-bg:       rgba(255, 255, 255, 0.04);
  --glass-bg-hi:    rgba(255, 255, 255, 0.07);
  --glass-border:   rgba(255, 255, 255, 0.10);
  --glass-shadow:   0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --glass-blur:     blur(24px) saturate(160%);

  /* Typo */
  --font-display: 'Alegreya', Georgia, serif;
  --font-body:    'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Espacements */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; height: 100%; }

body {
  font-family: var(--font-body);
  color: var(--c-text);
  background:
    radial-gradient(ellipse at top left,  rgba(175, 127, 81, 0.22) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(108, 79, 68, 0.28) 0%, transparent 55%),
    linear-gradient(135deg, var(--c-bg-deep) 0%, var(--c-bg-mid) 55%, var(--c-bg-deep) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Texture subtile en surimpression */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(226, 169, 117, 0.04) 0, transparent 200px),
    radial-gradient(circle at 80% 70%, rgba(226, 169, 117, 0.03) 0, transparent 250px);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  margin: 0 0 0.5em;
  color: var(--c-cream);
  letter-spacing: 0.01em;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }

a { color: var(--c-caramel); text-decoration: none; }
a:hover { color: var(--c-cream); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* ===================================================================
   Layout : topbar + sidebar + main
   =================================================================== */
.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 68px 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar main";
  min-height: 100vh;
}

.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 10;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.18em;
  color: var(--c-cream);
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-caramel), var(--c-gold));
  box-shadow: 0 0 14px rgba(226,169,117,0.6);
}
.brand-sub {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-left: 8px;
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px;
  background: var(--glass-bg-hi);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 0.85rem;
}
.user-chip .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-caramel), var(--c-brown));
  color: var(--c-bg-deep);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

.sidebar {
  grid-area: sidebar;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  padding: 24px 16px;
}
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  border-radius: var(--r-md);
  color: var(--c-text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--glass-bg-hi); color: var(--c-cream); text-decoration: none; }
.nav a.active {
  background: linear-gradient(135deg, rgba(226,169,117,0.25), rgba(175,127,81,0.15));
  color: var(--c-cream);
  border: 1px solid rgba(226,169,117,0.25);
}
.nav-ico {
  width: 20px; height: 20px;
  display: inline-block; flex-shrink: 0;
  opacity: 0.85;
}
.nav-section {
  margin-top: 18px;
  padding: 0 14px 6px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-text-dim);
}

.main {
  grid-area: main;
  padding: 32px 36px 60px;
  overflow-y: auto;
}

/* ===================================================================
   Cards
   =================================================================== */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
  padding: 22px 24px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.card-title { margin: 0; font-size: 1.1rem; }
.card-grid { display: grid; gap: 18px; }
.card-grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card-grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card-grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.kpi {
  display: flex; flex-direction: column; gap: 6px;
}
.kpi-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-muted);
}
.kpi-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--c-cream);
}
.kpi-trend {
  font-size: 0.8rem;
  color: var(--c-text-muted);
}
.kpi-trend.up { color: var(--c-success); }
.kpi-trend.down { color: var(--c-danger); }

/* ===================================================================
   Forms
   =================================================================== */
.form-row { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  letter-spacing: 0.04em;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="search"],
select, textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  color: var(--c-text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 10px 14px;
  transition: border-color .15s, background .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c-caramel);
  background: rgba(255, 255, 255, 0.07);
}
input[type="file"] {
  color: var(--c-text-muted);
  padding: 10px 14px;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, box-shadow .15s, background .15s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-caramel) 0%, var(--c-gold) 100%);
  color: var(--c-bg-deep);
  box-shadow: 0 4px 18px rgba(226, 169, 117, 0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(226, 169, 117, 0.5); }
.btn-ghost {
  background: var(--glass-bg-hi);
  border-color: var(--glass-border);
  color: var(--c-text);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-danger {
  background: rgba(211, 106, 106, 0.12);
  border-color: rgba(211, 106, 106, 0.3);
  color: var(--c-danger);
}

/* ===================================================================
   Tables
   =================================================================== */
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.92rem;
}
table.data th {
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--glass-border);
}
table.data td {
  padding: 13px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--c-text);
}
table.data tr:hover td { background: rgba(255,255,255,0.025); }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }

/* ===================================================================
   Badges + alerts
   =================================================================== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-tva   { background: rgba(226,169,117,0.18); color: var(--c-caramel); border: 1px solid rgba(226,169,117,0.3); }
.badge-ok    { background: rgba(123,179,137,0.15); color: var(--c-success); }
.badge-todo  { background: rgba(211,106,106,0.15); color: var(--c-danger); }

.alert {
  padding: 14px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  margin-bottom: 18px;
}
.alert-error   { border-color: rgba(211,106,106,0.4); background: rgba(211,106,106,0.08); }
.alert-success { border-color: rgba(123,179,137,0.4); background: rgba(123,179,137,0.08); }

/* ===================================================================
   Page head + utilities
   =================================================================== */
.page-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 26px;
}
.page-head h1 { margin: 0; }
.muted { color: var(--c-text-muted); }
.right { text-align: right; }
.flex { display: flex; gap: 12px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.mt-2 { margin-top: 14px; }
.mt-4 { margin-top: 28px; }

/* ===================================================================
   Login (page sans layout sidebar)
   =================================================================== */
.login-shell {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  position: relative; z-index: 1;
}
.login-card {
  width: 100%; max-width: 420px;
  padding: 40px 36px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  box-shadow: var(--glass-shadow);
}
.login-card h1 {
  font-size: 1.85rem; letter-spacing: 0.06em; margin-bottom: 6px;
  text-align: center;
}
.login-logo {
  display: flex; justify-content: center;
  margin-bottom: 18px;
}
.login-logo img {
  max-width: 220px; height: auto;
  filter: drop-shadow(0 4px 18px rgba(226, 169, 117, 0.18));
}
.brand-logo {
  height: 36px; width: auto;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}
.login-card .sub {
  text-align: center;
  font-size: 0.85rem;
  color: var(--c-text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

/* ===================================================================
   OCR loader overlay
   =================================================================== */
.ocr-overlay {
  position: fixed; inset: 0;
  background: rgba(20, 16, 14, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 9999;
}
.ocr-overlay.is-active { display: flex; }
.ocr-overlay .card {
  text-align: center;
  padding: 40px 48px;
  min-width: 320px;
  background: var(--glass-bg-hi);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.ocr-overlay .spinner {
  width: 56px; height: 56px;
  border: 3px solid rgba(226, 169, 117, 0.15);
  border-top-color: var(--c-caramel);
  border-radius: 50%;
  margin: 0 auto 18px;
  animation: ocr-spin 0.9s linear infinite;
  box-shadow: 0 0 24px rgba(226,169,117,0.15);
}
@keyframes ocr-spin { to { transform: rotate(360deg); } }
.ocr-overlay h3 { color: var(--c-cream); margin-bottom: 8px; }
.ocr-overlay p { color: var(--c-text-muted); font-size: 0.9rem; margin: 0; }
.ocr-overlay .hint { font-size: 0.78rem; color: var(--c-text-dim); margin-top: 14px; }

/* ===================================================================
   Responsive
   =================================================================== */
@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }
  .sidebar { display: none; }
  .main { padding: 20px; }
}