:root{
  --brand:#2563eb;
  --brand-2:#1d4ed8;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-2:#f1f5f9;
  --bg:#eef2f7;
  --surface:#ffffff;
  --ok:#16a34a;
  --warn:#d97706;
  --danger:#dc2626;
  --radius:16px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
  --safe-bottom:env(safe-area-inset-bottom,0px);
  --safe-top:env(safe-area-inset-top,0px);
  --nav-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,'Apple Color Emoji','Segoe UI Emoji',sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.45;
}
button{font-family:inherit;cursor:pointer}
a{color:var(--brand)}
.hidden{display:none !important}
.app-frame{
  max-width:480px;margin:0 auto;min-height:100vh;
  background:var(--surface);position:relative;
  display:flex;flex-direction:column;
  box-shadow:0 0 60px rgba(15,23,42,.08);
}

/* ====== AUTH ====== */
.auth-screen{
  flex:1;display:flex;align-items:center;justify-content:center;
  padding:24px;padding-top:calc(24px + var(--safe-top));
  position:relative;overflow:hidden;
  background:
    radial-gradient(520px 260px at 50% 6%, rgba(255,255,255,.14), transparent 60%),
    radial-gradient(760px 460px at 88% 108%, color-mix(in srgb,var(--brand) 70%,#000), transparent 62%),
    linear-gradient(155deg, var(--brand) 0%, #0b1a3d 88%);
}
.auth-screen::before{
  content:"";position:absolute;top:-50px;right:-50px;width:200px;height:200px;border-radius:50%;
  border:2px solid rgba(255,255,255,.09);
  box-shadow:0 0 0 42px rgba(255,255,255,.045),0 0 0 92px rgba(255,255,255,.028);
  pointer-events:none;
}
.auth-wrap{position:relative;z-index:1;width:100%;max-width:400px}
.auth-brand{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:24px}
.auth-brand img{width:62px;height:62px;border-radius:16px;background:#fff;padding:7px;box-shadow:0 16px 34px -12px rgba(0,0,0,.5)}
.auth-brand .name{font-weight:800;font-size:24px;letter-spacing:-.3px;color:#fff}
.auth-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 30px 60px -30px rgba(15,23,42,.35),0 2px 8px -4px rgba(15,23,42,.10);overflow:hidden}
.auth-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--brand),color-mix(in srgb,var(--brand) 55%,#fff))}
.auth-card h1{font-size:22px;margin-bottom:6px;letter-spacing:-.3px}
.auth-card .sub{color:var(--muted);font-size:14px;margin-bottom:20px}
label{display:block;font-size:12px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field{margin-bottom:14px}
input[type=email],input[type=password]{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;
  font-size:16px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s;
}
input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
.hint-pw{font-size:12px;color:var(--muted);margin-top:-6px;margin-bottom:14px}
.btn{
  width:100%;border:none;border-radius:13px;padding:14px;font-weight:700;font-size:15px;
  transition:transform .08s,opacity .15s,background .15s;
}
.btn:active{transform:scale(.985)}
.btn.primary{background:linear-gradient(180deg,var(--brand),color-mix(in srgb,var(--brand) 82%,#000));color:#fff;box-shadow:0 10px 22px -10px color-mix(in srgb,var(--brand) 60%,transparent)}
.btn.primary:disabled{opacity:.55;cursor:default}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.alert{font-size:13px;padding:10px 12px;border-radius:10px;margin-bottom:14px}
.alert.err{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}

/* ====== APP SHELL ====== */
.app-shell{flex:1;display:flex;flex-direction:column;min-height:0}
.app-header{
  display:flex;align-items:center;gap:12px;
  padding:calc(14px + var(--safe-top)) 18px 14px;
  border-bottom:1px solid var(--line-2);
  position:sticky;top:0;z-index:5;
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(180%) blur(12px);
}
.app-header img{width:34px;height:34px;border-radius:9px;object-fit:contain;background:#fff}
.app-header .estab{font-weight:700;font-size:15px;line-height:1.1;letter-spacing:-.2px}
.app-header .estab small{display:block;font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.3px;text-transform:uppercase;margin-top:2px}
.app-main{
  flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding:18px 16px calc(var(--nav-h) + 24px + var(--safe-bottom));
}
.view{animation:fade .22s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.view-title{font-size:22px;font-weight:800;letter-spacing:-.4px;margin-bottom:4px}
.view-sub{color:var(--muted);font-size:13px;margin-bottom:16px}

/* ====== BOTTOM NAV ====== */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  max-width:480px;margin:0 auto;
  display:flex;background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:saturate(180%) blur(14px);
  border-top:1px solid var(--line);
  padding-bottom:var(--safe-bottom);
}
.tabbar button{
  flex:1;background:none;border:none;padding:9px 2px 7px;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--muted);font-size:10.5px;font-weight:600;letter-spacing:.1px;
  transition:color .15s;min-height:var(--nav-h);justify-content:center;
}
.tabbar button svg{width:23px;height:23px;display:block}
.tabbar button.active{color:var(--brand)}
.tabbar button:focus-visible{outline:2px solid var(--brand);outline-offset:-3px;border-radius:8px}

/* ====== ID CARD (carte etudiante realiste) ====== */
.idcard{
  --card-ink:#ffffff;
  position:relative;
  aspect-ratio:1.585 / 1;
  width:100%;max-width:360px;margin:4px auto 18px;
  border-radius:16px;overflow:hidden;color:var(--card-ink);
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  background-size:cover;background-position:center;background-repeat:no-repeat;
  box-shadow:0 1px 2px rgba(15,23,42,.18),0 14px 34px color-mix(in srgb,var(--brand) 30%,rgba(15,23,42,.28)),inset 0 1px 0 rgba(255,255,255,.18);
}
/* Voile sombre garantissant la lisibilite (surtout avec image de fond) */
.idcard .ic-overlay{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(0,0,0,.06) 0%,rgba(0,0,0,0) 32%,rgba(0,0,0,.04) 55%,rgba(0,0,0,.46) 100%),
    radial-gradient(120% 90% at 85% 0%,rgba(255,255,255,.16),transparent 55%);
}
.idcard.has-bg .ic-overlay{
  background:
    linear-gradient(180deg,rgba(0,0,0,.30) 0%,rgba(0,0,0,.10) 38%,rgba(0,0,0,.34) 70%,rgba(0,0,0,.62) 100%);
}
/* Reflet holographique discret */
.idcard .ic-shine{
  position:absolute;inset:0;z-index:1;pointer-events:none;mix-blend-mode:overlay;opacity:.5;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.55) 46%,rgba(255,255,255,.05) 52%,transparent 66%);
  background-size:260% 260%;background-position:120% 0;
  transition:background-position .9s ease;
}
.idcard:hover .ic-shine{background-position:-30% 0}

.idcard .ic-content{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;
  padding:16px 18px;
  text-shadow:0 1px 2px rgba(0,0,0,.28);
}
.idcard .ic-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.idcard .ic-brand{display:flex;align-items:center;gap:8px;min-width:0}
.idcard .ic-logo{flex:0 0 auto;height:28px;display:inline-flex;align-items:center;justify-content:center}
.idcard .ic-logo img{height:28px;width:auto;max-width:96px;object-fit:contain;display:block;filter:brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0,0,0,.35))}
.idcard .ic-logo.estab{background:rgba(255,255,255,.92);border-radius:7px;padding:3px 6px;height:28px}
.idcard .ic-logo.estab img{filter:none;height:22px}
.idcard .ic-estab{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.96}
.idcard .ic-type{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;opacity:.85;white-space:nowrap;background:rgba(255,255,255,.16);padding:4px 9px;border-radius:20px;backdrop-filter:blur(2px)}

.idcard .ic-body{display:flex;align-items:flex-end;gap:13px;margin-top:auto}
.idcard .ic-photo{
  flex:0 0 auto;width:64px;height:80px;border-radius:9px;overflow:hidden;
  border:1.5px solid rgba(255,255,255,.78);box-shadow:0 3px 10px rgba(0,0,0,.3);
  background:rgba(255,255,255,.12);
}
.idcard .ic-photo img{width:100%;height:100%;object-fit:cover;display:block}
.idcard .ic-photo-fallback{
  display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--card-ink);
  background:rgba(255,255,255,.18);
}
.idcard .ic-ident{min-width:0;flex:1}
.idcard .ic-name{font-size:20px;font-weight:800;letter-spacing:-.3px;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.idcard .ic-role{font-size:12.5px;opacity:.92;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.idcard .ic-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;letter-spacing:2.5px;margin-top:8px;opacity:.97;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.idcard .ic-meta{display:flex;justify-content:space-between;align-items:flex-end;margin-top:12px;gap:10px}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.20);padding:4px 11px;border-radius:20px;font-size:12px;font-weight:700;backdrop-filter:blur(2px);text-shadow:none;color:#fff}
.badge .dot{width:7px;height:7px;border-radius:50%;background:#fff}
.badge.active{background:rgba(22,163,74,.92)}
.badge.suspended{background:rgba(217,119,6,.95)}
.badge.none{background:rgba(0,0,0,.35)}
.badge.other{background:rgba(0,0,0,.3)}
.idcard .ic-exp{font-size:11.5px;opacity:.9;text-align:right;line-height:1.25;font-weight:600}
.idcard .ic-exp small{display:block;font-size:9.5px;text-transform:uppercase;letter-spacing:.5px;opacity:.8;font-weight:700}

.wallet-btns{display:flex;flex-direction:column;gap:10px;margin-bottom:8px}
.wbtn{
  display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  border-radius:13px;padding:13px;font-weight:700;font-size:14px;border:1px solid var(--line);
  background:#fff;color:#1f2937;transition:transform .08s,background .15s;
}
.wbtn:active{transform:scale(.985)}
.wbtn.apple{background:#000;color:#fff;border-color:#000}
.wbtn:disabled{opacity:.55;cursor:default}
.privacy-note{font-size:12px;color:var(--muted);text-align:center;margin-top:16px;line-height:1.5}

@media (prefers-reduced-motion:reduce){
  .idcard .ic-shine{transition:none}
  .idcard:hover .ic-shine{background-position:120% 0}
}

/* ====== LISTS / CARDS ====== */
.section-day{font-size:13px;font-weight:800;color:var(--ink-2);margin:18px 0 8px;text-transform:uppercase;letter-spacing:.4px}
.section-day:first-child{margin-top:0}
.row-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:10px;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.sched{display:flex;gap:14px}
.sched .time{flex:0 0 58px;text-align:center}
.sched .time .start{font-weight:800;font-size:15px}
.sched .time .end{font-size:12px;color:var(--muted);margin-top:2px}
.sched .time .bar{width:3px;height:calc(100% - 4px);background:var(--brand);border-radius:3px;margin:6px auto 0;opacity:.5}
.sched .body{flex:1;min-width:0}
.sched .body .ttl{font-weight:700;font-size:15px;letter-spacing:-.2px}
.sched .meta{font-size:13px;color:var(--muted);margin-top:4px;display:flex;flex-wrap:wrap;gap:4px 12px}
.sched .meta span{display:inline-flex;align-items:center;gap:5px}

.news-item{position:relative}
.news-item .news-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;background:var(--line-2);color:var(--ink-2)}
.chip.brand{background:color-mix(in srgb,var(--brand) 14%,#fff);color:var(--brand-2)}
.news-item .news-ttl{font-weight:800;font-size:16px;letter-spacing:-.2px}
.news-item .news-date{font-size:12px;color:var(--muted);margin-left:auto}
.news-item .news-body{font-size:14px;color:var(--ink-2);margin-top:6px;white-space:pre-wrap}
/* Indicateur epingle discret : mini icone en coin (pas de gros badge jaune) */
.news-item .news-pin{position:absolute;top:12px;right:12px;width:15px;height:15px;color:var(--muted);opacity:.55;pointer-events:none}
.news-item .news-pin svg{width:100%;height:100%;display:block;transform:rotate(35deg)}
.news-item.pinned{border-color:color-mix(in srgb,var(--brand) 22%,var(--line))}
/* Annonce urgente : alerte rouge claire (liseré gauche + puce Urgent) */
.news-item.urgent{border-color:#fecaca;border-left:4px solid var(--danger);background:#fffbfb}
.chip.urgent{background:color-mix(in srgb,var(--danger) 12%,#fff);color:var(--danger)}
.chip.urgent .u-dot{width:7px;height:7px;border-radius:50%;background:var(--danger)}
.news-item.urgent .news-pin{color:var(--danger);opacity:.6}

.loan .loan-ttl{font-weight:700;font-size:15px;letter-spacing:-.2px}
.loan .loan-author{font-size:13px;color:var(--muted);margin-top:2px}
.loan .loan-due{font-size:13px;margin-top:8px;font-weight:600;display:flex;align-items:center;gap:6px}
.loan .loan-due.late{color:var(--danger)}
.loan .loan-due.soon{color:var(--warn)}
.loan .loan-foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:10px}
.loan .renew-info{font-size:12px;color:var(--muted)}
.btn-sm{border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:10px;padding:8px 14px;font-weight:700;font-size:13px}
.btn-sm:disabled{background:#fff;color:var(--muted);border-color:var(--line);cursor:default}

.deal .deal-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.deal .deal-partner{font-size:12px;color:var(--muted);font-weight:600}
.deal .deal-ttl{font-weight:800;font-size:16px;letter-spacing:-.2px}
.deal .deal-desc{font-size:14px;color:var(--ink-2);margin-top:6px}
.deal .deal-foot{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.code-copy{
  display:inline-flex;align-items:center;gap:7px;font-family:ui-monospace,Menlo,Consolas,monospace;
  font-weight:700;font-size:13px;background:var(--line-2);border:1px dashed var(--line);
  border-radius:9px;padding:8px 12px;color:var(--ink);
}
.deal .deal-exp{font-size:12px;color:var(--muted)}
.link-go{margin-left:auto;font-weight:700;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;gap:5px}

/* ====== PROFILE ====== */
.profile-block{background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 16px;margin-bottom:16px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.profile-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line-2)}
.profile-row:last-child{border-bottom:none}
.profile-row .k{font-size:13px;color:var(--muted);font-weight:600}
.profile-row .v{font-size:14px;font-weight:600;text-align:right;letter-spacing:-.1px}
.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 0}
.toggle-row .tl{font-size:14px;font-weight:600}
.toggle-row .tl small{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-top:2px}
.switch{position:relative;width:48px;height:28px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0}
.switch .track{position:absolute;inset:0;background:var(--line);border-radius:20px;transition:background .2s}
.switch .track::before{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked + .track{background:var(--brand)}
.switch input:checked + .track::before{transform:translateX(20px)}
.switch input:focus-visible + .track{box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 30%,transparent)}
.logout-btn{width:100%;background:#fff;color:var(--danger);border:1px solid #fecaca;border-radius:13px;padding:14px;font-weight:700;font-size:15px;transition:transform .08s}
.logout-btn:active{transform:scale(.985)}

/* ====== STATES ====== */
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty .ico{width:52px;height:52px;margin:0 auto 14px;color:var(--line);opacity:1}
.empty .ico svg{width:100%;height:100%}
.empty .t{font-weight:700;color:var(--ink-2);font-size:15px;margin-bottom:4px}
.empty .d{font-size:13px}
.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:14px;color:var(--muted)}
.spinner{width:30px;height:30px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,#f1f5f9 25%,#e7edf3 37%,#f1f5f9 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:10px}
@keyframes sk{0%{background-position:100% 0}100%{background-position:-100% 0}}

/* ====== TOAST ====== */
.toast-wrap{position:fixed;left:0;right:0;bottom:calc(var(--nav-h) + 16px + var(--safe-bottom));z-index:50;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;padding:0 16px}
.toast{
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:600;
  padding:11px 16px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.25);
  max-width:360px;animation:toastIn .25s ease;display:flex;align-items:center;gap:8px;
}
.toast.ok{background:#15803d}
.toast.err{background:#b91c1c}
@keyframes toastIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
.toast.out{animation:toastOut .25s ease forwards}
@keyframes toastOut{to{opacity:0;transform:translateY(8px)}}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
@media (min-width:481px){
  body{background:#0f172a;background:linear-gradient(160deg,#1e293b,#0f172a)}
  .app-frame{margin:0 auto;min-height:100vh}
}