@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --blue: #1e40af;
    --blue-lt: #3b5fd6;
    --green: #059669;
    --green-lt: #10b981;
    --accent: #f0f7ff;
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius: 14px;
    --red: #dc2626;
    --red-bg: #fef2f2;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-soft);
    color: var(--text);
}

.topbar {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 45%, #0d9488 100%);
    color: #fff;
    padding: 18px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 12px rgba(30,64,175,.15);
    position: relative;
}
.topbar strong { font-weight: 800; font-size: 1.05rem; letter-spacing: -.01em; }
.topbar a {
    color: rgba(255,255,255,.85);
    text-decoration: none;
    margin-left: 18px;
    font-size: .88rem;
    font-weight: 600;
    transition: color .15s;
}
.topbar a:hover { color: #fff; }
.topbar-links { display: flex; align-items: center; }

.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.3rem; line-height: 1; cursor: pointer; padding: 4px 6px; }

.nav-dropdown { position: relative; margin-left: 18px; }
.nav-dropdown summary { cursor: pointer; list-style: none; color: rgba(255,255,255,.85); font-weight: 600; font-size: .88rem; }
.nav-dropdown summary::marker { content: ''; }
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary:hover, .nav-dropdown[open] summary { color: #fff; }
.nav-dropdown-menu {
    position: absolute; right: 0; top: 26px; z-index: 20;
    background: #fff; border-radius: 10px; padding: 6px;
    box-shadow: 0 8px 24px rgba(15,23,42,.18); min-width: 190px;
}
.nav-dropdown-menu a {
    display: block; color: var(--text); margin: 0; padding: 9px 12px;
    border-radius: 8px; font-size: .87rem; font-weight: 600; text-decoration: none;
}
.nav-dropdown-menu a:hover { background: var(--bg-soft); }

.container { max-width: 980px; margin: 32px auto; padding: 0 16px; }

@media (max-width: 780px) {
    .topbar { flex-wrap: wrap; padding: 14px 18px; }
    .nav-toggle { display: block; }
    .topbar-links {
        display: none; width: 100%; flex-direction: column; align-items: stretch;
        margin-top: 12px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.15);
    }
    .topbar-links.open { display: flex; }
    .topbar-links a { margin-left: 0; padding: 11px 4px; border-bottom: 1px solid rgba(255,255,255,.1); }
    .nav-dropdown { width: 100%; margin-left: 0; }
    .nav-dropdown summary { padding: 11px 4px; border-bottom: 1px solid rgba(255,255,255,.1); }
    .nav-dropdown-menu {
        position: static; box-shadow: none; background: rgba(255,255,255,.06);
        margin-top: 2px; padding: 2px;
    }
    .nav-dropdown-menu a { color: rgba(255,255,255,.85); padding: 10px 10px; }
    .nav-dropdown-menu a:hover { background: rgba(255,255,255,.1); }

    .container { margin: 20px auto; padding: 0 12px; }
    .card { padding: 18px; }

    table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }

    .payment-cards { flex-wrap: wrap; }
    .stat .value { font-size: 1.5rem; }
}

.card > details > summary {
    cursor: pointer;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--text);
    letter-spacing: -.01em;
    list-style: none;
}
.card > details > summary::-webkit-details-marker { display: none; }
.card > details > summary::before { content: '▸ '; font-size: .85em; color: var(--muted); }
.card > details[open] > summary::before { content: '▾ '; }
.card > details[open] > summary { margin-bottom: 12px; }
.card > details > .details-body { margin-top: 12px; }

.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 18px;
    box-shadow: 0 1px 3px rgba(15,23,42,.04);
}
.card h3 { font-weight: 800; font-size: 1.05rem; color: var(--text); letter-spacing: -.01em; }

.stats { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.stat {
    flex: 1; min-width: 180px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: 0 1px 3px rgba(15,23,42,.04);
}
.stat .label { color: var(--muted); font-size: .8rem; font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--blue), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); font-size: .9rem; }
th { color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; }
td a { color: var(--blue); text-decoration: none; font-weight: 600; }
td a:hover { text-decoration: underline; }

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: .74rem;
    font-weight: 700;
}
.badge.ok { background: #ecfdf5; color: var(--green); }
.badge.retard { background: var(--red-bg); color: var(--red); }

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--blue), var(--blue-lt));
    color: #fff;
    padding: 11px 22px;
    border-radius: var(--radius);
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: .9rem;
    font-weight: 700;
    font-family: inherit;
    box-shadow: 0 4px 14px rgba(30,64,175,.25);
    transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30,64,175,.35); }

.login-box {
    max-width: 380px;
    margin: 90px auto;
    background: var(--bg);
    padding: 36px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(15,23,42,.08);
}
.login-box h2 {
    font-weight: 800;
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--blue), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}
.login-box input {
    width: 100%;
    padding: 11px 14px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: .92rem;
}
.login-box input:focus { outline: none; border-color: var(--blue); }

input[type="text"], input[type="number"], input[type="password"], input[type="date"], select {
    font-family: inherit;
    font-size: .92rem;
    border-radius: 10px !important;
}
input:focus, select:focus { outline: none; border-color: var(--blue) !important; }

.error {
    background: var(--red-bg);
    color: var(--red);
    padding: 11px 14px;
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: .87rem;
    font-weight: 500;
}

.payment-cards { display: flex; gap: 10px; margin: 12px 0; }
.payment-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.payment-card.selected { border-color: var(--blue); background: var(--accent); }
.payment-card .op-icon {
    width: 34px; height: 34px; border-radius: 8px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.payment-card .op-icon img { width: 100%; height: 100%; object-fit: contain; }
.payment-card .op-name { font-weight: 700; font-size: .85rem; }
.video-help { display: block; margin-top: 6px; font-size: .8rem; color: var(--blue); text-decoration: none; }

.facture-line {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0; border-bottom: 1px solid var(--border);
}
.facture-line:last-child { border-bottom: none; }
.facture-line .fl-desc { font-weight: 600; font-size: .9rem; }
.facture-line .fl-periode { color: var(--muted); font-size: .8rem; }
.facture-line .fl-montant { font-weight: 700; }