:root{
    --indigo-600:#4f46e5;
    --indigo-700:#4338ca;
    --indigo-500:#6366f1;
    --navy:#12344d;
    --ocean:#0b6e8f;
    --lagoon:#14b8a6;
    --foam:#eef7f7;
    --ink:#1f2937;
    --muted:#6b7280;
    --line:#e5e7eb;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
    margin:0;min-height:100vh;
    font-family:'Inter',ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:var(--ink);
    background:
        radial-gradient(circle at 85% 6%, rgba(99,102,241,.10), transparent 30rem),
        linear-gradient(180deg,#f8fafc 0%,#eef2f7 100%) fixed;
    -webkit-font-smoothing:antialiased;
}
a{color:var(--indigo-600)}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1080px,calc(100% - 32px));margin:auto;height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:.06em;color:var(--navy)}
.logo-mark{display:grid;place-items:center;width:50px;height:50px;border-radius:12px;background:linear-gradient(145deg,var(--indigo-500),var(--indigo-700));color:#fff;font-size:25px;box-shadow:0 8px 18px rgba(79,70,229,.3)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{text-decoration:none;padding:9px 14px;border-radius:99px;font-size:13px;font-weight:700;color:var(--navy)}
.nav-link:hover{background:var(--foam)}
.nav-link.primary{background:var(--indigo-600);color:#fff}
.chip-user{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:99px;background:var(--foam);border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--navy)}
.chip-user .role{font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo-600)}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 82% 16%,rgba(20,184,166,.35),transparent 30rem),linear-gradient(130deg,#4f46e5 0%,#4338ca 45%,#0b6e8f 100%);padding:64px 0 110px}
.hero .header-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:#c7d2fe;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--lagoon)}
.hero h1{font-size:clamp(36px,6vw,60px);line-height:1;letter-spacing:-.04em;margin:0 0 16px;font-weight:900}
.hero p.lead{color:#e0e7ff;max-width:56ch;margin:0;line-height:1.6;font-size:16px}
.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(9px);border-radius:20px;padding:24px}
.hero-card .label{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#c7d2fe;margin-bottom:12px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero-stat{padding:14px;border-radius:14px;background:rgba(255,255,255,.1)}
.hero-stat strong{display:block;font-size:24px}
.hero-stat span{font-size:11px;color:#c7d2fe}

/* ---- shell / sections ---- */
.shell{width:min(1080px,calc(100% - 32px));margin:auto}
.section{padding:54px 0}
.section-title{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--indigo-600)}
.section h2{font-size:clamp(24px,4vw,32px);letter-spacing:-.03em;color:var(--navy);margin:8px 0 14px}
.section .intro{color:var(--muted);max-width:62ch;line-height:1.65}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 12px 34px rgba(19,52,77,.07)}
.card .icon{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:linear-gradient(145deg,var(--indigo-500),var(--indigo-700));color:#fff;font-size:20px;margin-bottom:14px}
.card h3{margin:0 0 8px;font-size:17px;color:var(--navy)}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}

/* ---- formulaires / boutons ---- */
input[type=password],input[type=text]{min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;font:inherit;color:var(--ink);background:#fff;outline:none;transition:border-color .16s,box-shadow .16s}
input:focus{border-color:var(--indigo-500);box-shadow:0 0 0 4px rgba(99,102,241,.14)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:13px;font-weight:750;font-size:14px;text-decoration:none;border:0;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--indigo-500),var(--indigo-700));color:#fff;box-shadow:0 12px 24px rgba(79,70,229,.3)}
.btn-ghost{background:#fff;color:var(--indigo-700);border:1px solid var(--line);box-shadow:0 6px 16px rgba(15,40,70,.08)}
.btn-ghost:hover{border-color:var(--indigo-500)}
.btn-danger{background:#dc2626;color:#fff}

/* ---- login ---- */
.login-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 16px 44px rgba(19,52,77,.08)}
.panel h3{margin:0 0 6px;font-size:20px;color:var(--navy)}
.panel .hint{color:var(--muted);font-size:14px;margin:0 0 18px}
.login-form{display:flex;flex-direction:column;gap:12px}
.notice{font-size:13px;padding:10px 14px;border-radius:10px}
.notice.ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.notice.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

/* ---- footer ---- */
.footer{margin-top:40px;border-top:1px solid var(--line);background:#fff}
.footer .header-inner{padding:26px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.footer a{color:var(--ocean);text-decoration:none;font-weight:700}

/* ---- admin ---- */
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th,.admin-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.admin-table th{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.row-flex{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.admin-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

@media(max-width:820px){
    .hero .header-inner{grid-template-columns:1fr}
    .cards{grid-template-columns:1fr}
    .login-grid{grid-template-columns:1fr}
    .nav-link.optional{display:none}
}
@media(max-width:480px){
    .logo span:last-child{display:none}
    .hero{padding:44px 0 90px}
    .section{padding:38px 0}
}