/* ─── VARIABLES ─────────────────────────────────────────────────────────────── */
:root,[data-theme="dark"] {
  --bg:      #060d1f;
  --bg2:     #0d1635;
  --bg3:     #111c3e;
  --border:  rgba(255,255,255,0.08);
  --cyan:    #00d4ff;
  --purple:  #8b5cf6;
  --grad:    linear-gradient(135deg,#00d4ff 0%,#8b5cf6 100%);
  --text:    #e2e8f0;
  --muted:   #64748b;
  --success: #10b981;
  --danger:  #ef4444;
  --warning: #f59e0b;
  --radius:  10px;
}

[data-theme="light"] {
  --bg:      #f1f5f9;
  --bg2:     #ffffff;
  --bg3:     #e2e8f0;
  --border:  rgba(15,23,42,0.12);
  --cyan:    #0284c7;
  --purple:  #7c3aed;
  --grad:    linear-gradient(135deg,#0284c7 0%,#7c3aed 100%);
  --text:    #0f172a;
  --muted:   #64748b;
  --success: #059669;
  --danger:  #dc2626;
  --warning: #d97706;
  --radius:  10px;
}

/* Badges et alertes : textes lisibles sur fond clair */
[data-theme="light"] .badge-success { color:#065f46;background:rgba(5,150,105,.12) }
[data-theme="light"] .badge-warning { color:#92400e;background:rgba(217,119,6,.12) }
[data-theme="light"] .badge-danger  { color:#991b1b;background:rgba(220,38,38,.12) }
[data-theme="light"] .badge-info    { color:#075985;background:rgba(2,132,199,.12) }
[data-theme="light"] .badge-muted   { color:#334155;background:rgba(100,116,139,.12) }
[data-theme="light"] .alert-error   { color:#991b1b }
[data-theme="light"] .alert-success { color:#065f46 }

/* Bouton outline : bordure visible sur fond clair */
[data-theme="light"] .btn-outline { border-color:rgba(15,23,42,0.20) }

/* ─── RESET ─────────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--cyan);text-decoration:none}
input,textarea,select{font-family:inherit;font-size:14px}

/* ─── TYPO ───────────────────────────────────────────────────────────────────── */
.logo-accent{font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
h1{font-size:22px;font-weight:700}
h2{font-size:18px;font-weight:600}
.muted{color:var(--muted)}
code{font-family:'JetBrains Mono',monospace;font-size:12px;background:var(--bg3);padding:2px 6px;border-radius:4px}

/* ─── BOUTONS ────────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:600;border:none;cursor:pointer;transition:opacity .15s}
.btn:hover{opacity:.85}
.btn-primary{background:var(--grad);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-xs{padding:4px 10px;font-size:12px;border-radius:6px}
.btn-full{width:100%;justify-content:center}
.btn-danger{background:var(--danger);color:#fff}

/* ─── ALERTES ────────────────────────────────────────────────────────────────── */
.alert{padding:10px 14px;border-radius:var(--radius);font-size:14px;margin-bottom:16px;cursor:pointer}
.alert-error  {background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.alert-success{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3);color:#6ee7b7}

/* ─── FORMULAIRES ────────────────────────────────────────────────────────────── */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}
input[type=text],input[type=email],input[type=password],input[type=url],
input[type=number],input[type=date],textarea,select{
  width:100%;padding:8px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);
  color:var(--text);font-size:14px;transition:border-color .15s
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--cyan)}
textarea{resize:vertical;min-height:72px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}

/* ─── GRILLE CHAMPS (2 colonnes) ─────────────────────────────────────────────── */
.fields-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fields-grid .full-width{grid-column:1 / -1}
.select-wrap{display:flex;gap:6px;align-items:flex-start}
.select-wrap select{flex:1}

/* ─── FILTRE BAR ─────────────────────────────────────────────────────────────── */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius)}
.filter-bar input,.filter-bar select{flex:1;min-width:140px;max-width:220px;padding:7px 10px;font-size:13px}

/* ─── LOGIN PAGE ─────────────────────────────────────────────────────────────── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-wrap{width:100%;max-width:400px;padding:24px}
.login-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:32px}
.login-logo{font-size:22px;font-weight:700;margin-bottom:24px;text-align:center}

/* ─── ADMIN LAYOUT ───────────────────────────────────────────────────────────── */
.admin-page{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;flex-shrink:0}
.sidebar-logo{font-size:17px;font-weight:700;padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:0 10px}
.sidebar-footer{padding:10px}
.nav-item{display:block;padding:9px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--muted);transition:all .15s}
.nav-item:hover,.nav-item.active{background:var(--bg3);color:var(--text)}
.admin-content{flex:1;padding:28px 32px;overflow-x:auto}
.admin-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;gap:16px}
.admin-header .header-actions{display:flex;gap:10px;flex-shrink:0}
.section-title{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:24px 0 12px}

/* ─── TABLEAUX ───────────────────────────────────────────────────────────────── */
.table-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table thead th{padding:10px 14px;text-align:left;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--border);white-space:nowrap}
.admin-table tbody td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.admin-table tbody tr:last-child td{border:none}
.admin-table tbody tr:hover{background:var(--bg3)}
td.empty{color:var(--muted);text-align:center;padding:28px}
.chantiers-table{min-width:900px}

/* ─── ONGLETS ────────────────────────────────────────────────────────────────── */
.tabs-nav{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px;padding-bottom:1px}
.tab-btn{background:transparent;border:1px solid transparent;border-bottom:2px solid transparent;color:var(--muted);padding:7px 13px;border-radius:8px 8px 0 0;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap}
.tab-btn:hover{color:var(--text);background:var(--bg3)}
.tab-btn.active{color:var(--cyan);border-bottom-color:var(--cyan);background:var(--bg2)}
.tab-pane{display:none}
.tab-pane.active{display:block}

/* ─── CARDS / STATS ──────────────────────────────────────────────────────────── */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stat-num{font-size:30px;font-weight:700;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:12px;color:var(--muted);margin-top:4px}

/* ─── BADGES ─────────────────────────────────────────────────────────────────── */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.badge-success{background:rgba(16,185,129,.15);color:#6ee7b7}
.badge-warning{background:rgba(245,158,11,.15);color:#fcd34d}
.badge-danger {background:rgba(239,68,68,.15);color:#fca5a5}
.badge-info   {background:rgba(0,212,255,.15);color:#67e8f9}
.badge-muted  {background:rgba(100,116,139,.15);color:#94a3b8}

/* ─── EMPTY STATE ────────────────────────────────────────────────────────────── */
.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}

/* ─── MODAL ──────────────────────────────────────────────────────────────────── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:28px;width:100%;max-width:440px;max-height:90vh;overflow-y:auto}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.modal-close{background:none;border:none;color:var(--muted);cursor:pointer;font-size:18px}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────────── */
@media(max-width:900px){
  .sidebar{display:none}
  .admin-content{padding:16px}
  .form-row,.fields-grid{grid-template-columns:1fr}
  .fields-grid .full-width{grid-column:1}
  .filter-bar input,.filter-bar select{max-width:100%}
}