:root {
    --bg: #0f172a;
    --panel: #111827;
    --panel-soft: #1f2937;
    --line: #334155;
    --text: #e5eefb;
    --muted: #94a3b8;
    --primary: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.35);
    --radius: 18px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at top right, rgba(34, 197, 94, 0.16), transparent 24%), linear-gradient(180deg, #020617 0%, #0f172a 100%);
    color: var(--text);
}
a { color: inherit; text-decoration: none; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
    background: rgba(2, 6, 23, 0.88);
    border-right: 1px solid rgba(148, 163, 184, 0.12);
    padding: 24px 18px;
    position: sticky;
    top: 0;
    height: 100vh;
    backdrop-filter: blur(20px);
}
.brand { display: flex; gap: 14px; align-items: center; margin-bottom: 28px; }
.brand strong { display: block; font-size: 1.1rem; }
.brand small, .topbar p, .muted { color: var(--muted); }
.brand-mark {
    width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--primary), #14b8a6); color: #02120a; font-weight: 800;
}
.nav { display: grid; gap: 8px; }
.nav a { padding: 12px 14px; border-radius: 12px; color: var(--muted); transition: 0.2s ease; }
.nav a:hover, .nav a.active { color: white; background: rgba(34, 197, 94, 0.14); }
.main-content { padding: 28px; }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.topbar h1 { margin: 0 0 6px; font-size: 1.9rem; }
.topbar p { margin: 0; }
.topbar-actions, .button-row, .table-actions, .header-actions, .inline-actions {
    display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
}
.user-pill, .badge {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 12px; border-radius: 999px; background: rgba(148, 163, 184, 0.12);
}
.badge-success { background: rgba(34, 197, 94, 0.18); color: #86efac; }
.badge-warning { background: rgba(245, 158, 11, 0.18); color: #fcd34d; }
.badge-danger { background: rgba(239, 68, 68, 0.18); color: #fca5a5; }
.card, .stat-card, .login-card {
    background: rgba(17, 24, 39, 0.84);
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.card { padding: 22px; margin-bottom: 22px; }
.stats-grid, .form-grid, .result-grid { display: grid; gap: 16px; }
.stats-grid { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.stat-card { padding: 20px; }
.stat-card strong { display: block; font-size: 1.6rem; margin-top: 10px; }
.form-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
label { font-size: 0.95rem; color: #cbd5e1; }
input, select, textarea, button { font: inherit; }
input, select, textarea {
    width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(15, 23, 42, 0.92); color: var(--text);
}
textarea { min-height: 110px; resize: vertical; }
.btn, button.btn {
    padding: 12px 18px; border-radius: 12px; border: 0; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; transition: 0.2s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), #14b8a6); color: #03240e; font-weight: 700; }
.btn-secondary { background: rgba(148, 163, 184, 0.12); color: white; }
.btn-danger { background: rgba(239, 68, 68, 0.16); color: #fecaca; }
.btn-warning { background: rgba(245, 158, 11, 0.14); color: #fde68a; }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin-bottom: 18px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 12px; border-bottom: 1px solid rgba(148, 163, 184, 0.12); vertical-align: top; }
th { text-align: left; color: #cbd5e1; font-size: 0.9rem; }
.table-wrap { overflow-x: auto; }
.thumb {
    width: 72px; height: 72px; border-radius: 14px; object-fit: cover;
    border: 1px solid rgba(148, 163, 184, 0.16); background: rgba(15, 23, 42, 0.8);
}
.alert { padding: 14px 16px; border-radius: 14px; margin-bottom: 18px; }
.alert-success { background: rgba(34, 197, 94, 0.14); color: #86efac; }
.alert-error { background: rgba(239, 68, 68, 0.14); color: #fecaca; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(460px, 100%); padding: 30px; }
.modal {
    position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
    background: rgba(2, 6, 23, 0.72); padding: 24px; z-index: 50;
}
.modal.is-open { display: flex; }
.modal-dialog {
    width: min(760px, 100%); max-height: 92vh; overflow: auto; background: #0f172a;
    border: 1px solid rgba(148, 163, 184, 0.14); border-radius: 24px; box-shadow: var(--shadow);
}
.modal-header, .modal-footer {
    padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.modal-body { padding: 22px; }
.hidden { display: none !important; }
.result-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.result-item { padding: 16px; border-radius: 16px; background: rgba(15, 23, 42, 0.9); border: 1px solid rgba(148, 163, 184, 0.12); }
.result-item span { display: block; color: var(--muted); margin-bottom: 8px; }
.print-layout { max-width: 920px; margin: 0 auto; background: white; color: #111827; padding: 32px; border-radius: 18px; }
@media (max-width: 960px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .main-content { padding: 18px; }
    .topbar { flex-direction: column; }
}
@media print {
    body { background: white; color: #111827; }
    .sidebar, .topbar, .no-print, .alert { display: none !important; }
    .main-content { padding: 0; }
    .card, .print-layout { box-shadow: none; border: 0; border-radius: 0; background: white; }
}