/* ============================================================================
   Gestion Scolaire — Système de design "Registre & Sceau"
   Palette froide (marine/encre + laiton), serif d'institution en accent,
   monospace tabulaire pour les données chiffrées.
   ============================================================================ */
:root{
  /* Couleur */
  --ink-900:#12192b; --ink-700:#1f2f56; --ink-500:#33477a; --ink-300:#5a6da3;
  --brass-600:#96702e; --brass-500:#b8863c; --brass-100:#f3e6cd; --brass-50:#faf3e4;
  --bg:#f2f4fa; --card:#ffffff; --text:#1c2338; --muted:#666f8d; --border:#e2e6f1;
  --success:#1f7a4d; --success-bg:#e2f4ea;
  --danger:#b13636; --danger-bg:#fbe6e6;
  --warning:#c98a12; --warning-bg:#fdf1dc;
  --radius:12px; --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(18,25,43,.06), 0 1px 1px rgba(18,25,43,.04);
  --shadow-md:0 8px 24px -8px rgba(18,25,43,.16), 0 2px 6px rgba(18,25,43,.06);
  --shadow-lg:0 24px 60px -20px rgba(18,25,43,.35);

  /* Typographie */
  --font-display:'Fraunces','Iowan Old Style',Georgia,serif;
  --font-body:'Inter','Segoe UI',Arial,sans-serif;
  --font-mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;
}
*{box-sizing:border-box;}
html{-webkit-font-smoothing:antialiased;}
body{margin:0;font-family:var(--font-body);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;}
a{color:var(--ink-500);text-decoration:none;}
h1,h2,h3{margin:0 0 8px;font-family:var(--font-display);color:var(--ink-900);letter-spacing:-.01em;}
::selection{background:var(--brass-100);color:var(--ink-900);}

:focus-visible{outline:2px solid var(--brass-500);outline-offset:2px;border-radius:4px;}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ── Le sceau (élément signature, répété avec discipline) ── */
.seal{
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  width:38px;height:38px;border-radius:50%;font-size:18px;
  background:radial-gradient(circle at 32% 28%, var(--brass-500), var(--brass-600) 70%);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.35), 0 2px 6px rgba(0,0,0,.25);
  color:#fff;
}
.seal-lg{width:64px;height:64px;font-size:30px;margin:0 auto 14px;}

/* ── Login ── */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:
    radial-gradient(circle at 15% 15%, rgba(184,134,60,.16), transparent 40%),
    linear-gradient(160deg, var(--ink-900) 0%, var(--ink-700) 55%, var(--ink-500) 100%);
}
.login-card{background:#fff;padding:44px 38px 34px;border-radius:16px;box-shadow:var(--shadow-lg);width:380px;text-align:center;}
.login-card h1{font-size:23px;font-weight:600;}
.login-sub{color:var(--muted);margin-bottom:22px;font-size:13px;}
.login-card form{text-align:left;}
.login-card label{display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;margin:14px 0 5px;}
.login-card input{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:var(--font-body);}
.login-card input:focus{border-color:var(--ink-500);}
.login-hint{margin-top:18px;font-size:11.5px;color:var(--muted);}

/* ── Layout ── */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:246px;flex-shrink:0;display:flex;flex-direction:column;color:#fff;
  background:linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}
.sidebar-brand{padding:22px 18px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.08);}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:15.5px;line-height:1.2;}
.brand-tag{font-size:10.5px;color:rgba(255,255,255,.5);letter-spacing:.03em;margin-top:2px;}

#nav-list{padding:10px 0;flex:1;}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 18px;color:rgba(255,255,255,.72);
  cursor:pointer;font-size:13.5px;font-weight:500;border-left:3px solid transparent;transition:background .15s,color .15s;}
.nav-icon{display:inline-flex;width:22px;justify-content:center;font-size:14.5px;}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{background:rgba(184,134,60,.14);color:#fff;border-left-color:var(--brass-500);font-weight:600;}

.sidebar-footer{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);}
.user-block{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.user-avatar{width:32px;height:32px;border-radius:50%;background:rgba(184,134,60,.9);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:600;font-size:13.5px;flex-shrink:0;}
.user-meta{display:flex;flex-direction:column;min-width:0;}
.user-name{font-weight:600;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-role{font-size:10.5px;color:rgba(255,255,255,.5);}
.sidebar-footer a{color:var(--brass-500);font-size:12px;font-weight:600;}
.sidebar-footer a:hover{color:#fff;}

.main{flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{background:#fff;padding:16px 28px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.topbar h2{font-size:19px;font-weight:600;}
.topbar .annee-badge{background:var(--ink-900);color:var(--brass-100);padding:6px 14px;border-radius:20px;
  font-size:11.5px;font-family:var(--font-mono);font-weight:500;letter-spacing:.02em;}
#content{padding:26px;flex:1;overflow-y:auto;}

/* ── Composants ── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px 22px;margin-bottom:18px;}
.stat-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:13px 15px;display:flex;flex-direction:column;gap:6px;transition:box-shadow .18s, transform .18s;position:relative;cursor:help;}
.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.stat-card[data-tooltip]{cursor:help;}
.jstooltip{
  position:fixed; width:220px; background:var(--ink-900); color:#fff; font-size:11.5px; line-height:1.4; font-weight:400;
  padding:9px 11px; border-radius:8px; box-shadow:0 8px 20px -6px rgba(18,25,43,.35);
  opacity:0; visibility:hidden; pointer-events:none; transition:opacity .12s ease;
  z-index:9999; text-align:left;
}
.jstooltip.show{opacity:1; visibility:visible;}
.jstooltip-arrow{position:absolute; left:50%; width:0; height:0; border:6px solid transparent; transform:translateX(-50%);}
.jstooltip-arrow.arrow-down{bottom:-12px; border-top-color:var(--ink-900);}
.jstooltip-arrow.arrow-up{top:-12px; border-bottom-color:var(--ink-900);}
.stat-icon{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;
  background:linear-gradient(160deg, var(--ink-700), var(--ink-900));color:var(--brass-100);flex-shrink:0;}
.stat-card .stat-value{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--ink-900);line-height:1.1;}
.stat-card .stat-label{color:var(--muted);font-size:11.5px;}

.toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.toolbar-left{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

.btn{display:inline-block;padding:9px 17px;border:none;border-radius:var(--radius-sm);font-size:13px;font-family:var(--font-body);
  cursor:pointer;font-weight:600;transition:background .15s,box-shadow .15s,transform .1s;letter-spacing:.01em;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink-700);color:#fff;}
.btn-primary:hover{background:var(--ink-500);}
.btn-accent{background:var(--brass-500);color:#fff;}
.btn-accent:hover{background:var(--brass-600);}
.btn-success{background:var(--success);color:#fff;}
.btn-danger{background:var(--danger);color:#fff;}
.btn-outline{background:#fff;color:var(--ink-700);border:1px solid var(--ink-700);}
.btn-outline:hover{background:var(--ink-900);color:#fff;}
.btn-sm{padding:5px 11px;font-size:12px;}
.btn-block{width:100%;margin-top:20px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

input[type=text],input[type=date],input[type=number],input[type=password],input[type=email],select,textarea{
  padding:8px 11px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font-body);background:#fff;color:var(--text);
}
input:focus,select:focus,textarea:focus{border-color:var(--ink-500);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-group{display:flex;flex-direction:column;gap:4px;}
.form-group label{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;}
.form-group input,.form-group select,.form-group textarea{width:100%;}
.full-w{grid-column:1/-1;}

table.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;}
table.data-table th{background:var(--ink-900);color:var(--brass-100);padding:11px 13px;text-align:left;
  font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;}
table.data-table td{padding:10px 13px;border-bottom:1px solid var(--border);font-size:13px;}
table.data-table td.num,table.data-table td.money{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right;}
table.data-table tr:nth-child(even) td{background:#f8f9fd;}
table.data-table tr:hover td{background:var(--brass-50);}
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);}
.table-wrap table.data-table{box-shadow:none;border:none;border-radius:0;}

.badge{display:inline-block;padding:3px 11px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.02em;}
.badge-success{background:var(--success-bg);color:var(--success);}
.badge-warning{background:var(--warning-bg);color:var(--warning);}
.badge-danger{background:var(--danger-bg);color:var(--danger);}
.badge-muted{background:#eef0f6;color:var(--muted);}
.badge-primary{background:var(--brass-100);color:var(--brass-600);}
.badge-info{background:#e4e9f7;color:var(--ink-500);}

.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:18px;}
.tab-btn{padding:10px 16px;cursor:pointer;color:var(--muted);font-weight:600;font-size:13px;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s;}
.tab-btn.active{color:var(--ink-700);border-bottom-color:var(--brass-500);}

/* Modale */
.modal-overlay{position:fixed;inset:0;background:rgba(18,25,43,.55);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;}
.modal-box{background:#fff;border-radius:var(--radius);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);}
.modal-box.modal-lg{max-width:820px;}
.modal-header{padding:17px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;}
.modal-header h3{color:var(--ink-900);font-size:16.5px;font-weight:600;}
.modal-close{cursor:pointer;font-size:20px;color:var(--muted);background:none;border:none;}
.modal-body{padding:20px 22px;}
.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}

.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:14px;}
.alert-error{background:var(--danger-bg);color:var(--danger);}
.alert-success{background:var(--success-bg);color:var(--success);}
.alert-info{background:#e7ecfb;color:var(--ink-700);}

.search-box{position:relative;}
.search-box input{padding-left:32px;min-width:240px;}
.search-box::before{content:"🔍";position:absolute;left:10px;top:8px;font-size:12px;}

.empty-state{text-align:center;padding:40px;color:var(--muted);}
.text-right{text-align:right;}
.text-center{text-align:center;}
.text-muted{color:var(--muted);}
.mt-0{margin-top:0;}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;}
.chip{display:flex;align-items:center;gap:6px;background:#eef0f6;padding:6px 10px;border-radius:8px;font-size:12.5px;}
.chip input{margin:0;}

/* ── Statistiques : graphiques en CSS pur ── */
.chart-row{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:18px;}
.chart-row .card{margin-bottom:0;}
.chart-col{flex:1;min-width:280px;}

.bars-vertical{display:flex;align-items:flex-end;gap:8px;height:190px;padding-top:10px;}
.bar-v{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;min-width:0;}
.bar-v .bar-value{font-family:var(--font-mono);font-size:10px;color:var(--muted);margin-bottom:4px;white-space:nowrap;}
.bar-v .bar-fill{width:100%;background:linear-gradient(180deg, var(--ink-500), var(--ink-700));border-radius:4px 4px 0 0;min-height:2px;}
.bar-v .bar-label{font-size:11px;color:var(--muted);margin-top:6px;}

.donut{width:150px;height:150px;border-radius:50%;margin:6px auto;flex-shrink:0;box-shadow:inset 0 0 0 6px #fff;}
.donut-legend{margin-top:14px;}
.legend-item{display:flex;align-items:center;gap:8px;font-size:12.5px;margin-bottom:6px;}
.legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}

.progress-row{margin-bottom:14px;}
.progress-row:last-child{margin-bottom:0;}
.progress-row .progress-label{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px;font-size:12.5px;margin-bottom:5px;}
.progress-row .progress-label span:last-child{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
.progress-bar-bg{background:#eef0f6;border-radius:6px;height:12px;overflow:hidden;}
.progress-bar-fill{height:100%;border-radius:6px;transition:width .3s;}

/* ── Menu responsive (mobile) ── */
.menu-toggle{display:none;background:none;border:none;font-size:21px;line-height:1;color:var(--ink-700);cursor:pointer;padding:4px 12px 4px 0;}
.topbar-left{display:flex;align-items:center;gap:6px;}
.sidebar-backdrop{display:none;}

@media (max-width:900px){
  .sidebar{position:fixed;top:0;left:0;height:100vh;z-index:1500;transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 30px rgba(0,0,0,.35);}
  .sidebar.open{transform:translateX(0);}
  .menu-toggle{display:inline-block;}
  .sidebar-backdrop{position:fixed;inset:0;background:rgba(18,25,43,.55);z-index:1400;opacity:0;pointer-events:none;transition:opacity .2s ease;}
  .sidebar-backdrop.show{display:block;opacity:1;pointer-events:auto;}
  .chart-col{min-width:240px;}
}

@media (max-width:600px){
  .topbar{padding:12px 14px;}
  .topbar h2{font-size:16px;}
  .annee-badge{display:none;}
  #content{padding:14px;}
  .stat-cards{grid-template-columns:repeat(2,1fr);gap:10px;}
  .stat-card{padding:13px;}
  .stat-card .stat-value{font-size:20px;}
  .form-grid{grid-template-columns:1fr;}
  .toolbar{flex-direction:column;align-items:stretch;}
  .toolbar-left{flex-direction:column;align-items:stretch;}
  .toolbar-left .form-group{width:100%;}
  .toolbar-left select,.toolbar-left input{width:100%;}
  .chart-col{min-width:100%;}
  .modal-box{max-width:95vw;margin:0 10px;}
  table.data-table th,table.data-table td{font-size:12px;padding:7px 8px;}
}