:root {
  --bg: #F7F4EF;
  --surface: #FFFFFF;
  --accent: #1A4A6B;
  --accent2: #C8A96E;
  --text: #1C1C1C;
  --muted: #6B6560;
  --border: #E2DDD6;
  --danger: #B03A2E;
  --success: #1E6B4A;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: inherit; text-decoration: none; }

/* NAV */
nav { background: var(--accent); padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 60px; position: sticky; top: 0; z-index: 100; }
nav .brand { font-family: 'Playfair Display', serif; font-size: 1.15rem; color: #fff; letter-spacing: .01em; }
nav .brand span { color: var(--accent2); }
.nav-links { display: flex; gap: 8px; align-items: center; }
nav .nav-link { color: rgba(255,255,255,.75); font-size: .85rem; font-weight: 500; padding: 6px 14px; border-radius: 6px; transition: background .2s; }
nav .nav-link:hover { background: rgba(255,255,255,.1); color: #fff; }
nav .nav-link.primary { background: var(--accent2); color: var(--accent); font-weight: 600; }
nav .nav-link.primary:hover { background: #D4B57A; }

/* MAIN */
main { max-width: 960px; margin: 0 auto; padding: 2.5rem 1.5rem; }

/* CARDS */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.card + .card { margin-top: 1rem; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.card-title { font-family: 'Playfair Display', serif; font-size: 1.15rem; color: var(--accent); }

/* ALERTS */
.alert { padding: .75rem 1rem; border-radius: var(--radius); font-size: .9rem; margin-bottom: 1.25rem; }
.alert-success { background: #E8F5EE; color: var(--success); border: 1px solid #A8D5BE; }
.alert-danger { background: #FDECEA; color: var(--danger); border: 1px solid #E8B4B0; }
.alert-warning { background: #FFF8E1; color: #8D6E00; border: 1px solid #F0D88A; }

/* FORMS */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid.three { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: .8rem; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
input, select, textarea {
  padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 8px;
  font-size: .95rem; font-family: 'DM Sans', sans-serif; background: var(--bg);
  color: var(--text); transition: border .2s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); background: #fff; }
input[readonly] { background: #EBF3FA; color: var(--accent); font-weight: 500; border-color: #B8D4E8; cursor: default; }
textarea { resize: vertical; min-height: 80px; }
.section-sep { grid-column: 1 / -1; border: none; border-top: 1px dashed var(--border); margin: .25rem 0; }
.section-label { grid-column: 1 / -1; font-size: .75rem; font-weight: 600; color: var(--accent2); text-transform: uppercase; letter-spacing: .08em; padding-top: .25rem; }
.form-error { color: var(--danger); font-size: .78rem; margin-top: 2px; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 8px; font-size: .9rem; font-weight: 500; cursor: pointer; border: none; transition: all .2s; font-family: 'DM Sans', sans-serif; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #163D5A; }
.btn-gold { background: var(--accent2); color: var(--accent); font-weight: 600; }
.btn-gold:hover { background: #D4B57A; }
.btn-outline { background: transparent; color: var(--muted); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: transparent; color: var(--danger); border: 1.5px solid #E8B4B0; }
.btn-danger:hover { background: #FDF0EE; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #175A3D; }
.btn-sm { padding: 6px 12px; font-size: .82rem; }
.btn-full { width: 100%; justify-content: center; padding: 13px; }

/* TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
thead tr { border-bottom: 2px solid var(--border); }
th { padding: 10px 12px; text-align: left; font-size: .75rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
td { padding: 12px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

/* BADGES */
.badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 20px; font-size: .75rem; font-weight: 500; }
.badge-actif { background: #E8F5EE; color: var(--success); }
.badge-expire { background: #FDECEA; color: var(--danger); }
.badge-resilie { background: #F0F0F0; color: var(--muted); }
.badge-warning { background: #FFF8E1; color: #8D6E00; }

/* STATS GRID */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.75rem; }
.stat-card { text-align: center; padding: 1.25rem; }
.stat-value { font-size: 2rem; font-weight: 700; font-family: 'Playfair Display', serif; }
.stat-label { font-size: .8rem; color: var(--muted); margin-top: 3px; text-transform: uppercase; letter-spacing: .05em; }

/* DETAIL */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.detail-item label { font-size: .75rem; }
.detail-item .value { font-size: .95rem; font-weight: 500; }

/* EMPTY */
.empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }
.empty-icon { font-size: 2.5rem; margin-bottom: .75rem; opacity: .4; }
.empty h3 { font-family: 'Playfair Display', serif; font-size: 1.1rem; margin-bottom: .4rem; color: var(--text); }
.empty p { font-size: .9rem; }

/* PAGE HEAD */
.page-head { margin-bottom: 2rem; }
.page-head h1 { font-family: 'Playfair Display', serif; font-size: 1.75rem; color: var(--accent); margin-bottom: .3rem; }
.page-head p { color: var(--muted); font-size: .9rem; }

/* ACTIONS ROW */
.actions-row { display: flex; gap: 10px; margin-top: 1.5rem; }

/* SIGNATURE */
.signature-box { border: 2px dashed var(--border); border-radius: var(--radius); padding: 1rem; text-align: center; }
.signature-box canvas { border: 1px solid var(--border); border-radius: 8px; cursor: crosshair; background: #fff; max-width: 100%; }
.signature-box .sig-label { font-size: .85rem; font-weight: 600; color: var(--accent); margin-bottom: .5rem; }
.signature-box img { max-width: 200px; border: 1px solid var(--border); border-radius: 4px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 0 1rem; flex-wrap: wrap; height: auto; padding: .75rem 1rem; gap: .5rem; }
  .nav-links { flex-wrap: wrap; gap: 4px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid.three { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}