/* ═══════════════════════════════════════════════════════════════
   SENTINEL — Secure Document Management System
   Stylesheet v1.0
   ═══════════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2233;
    --bg-input: #0f1623;
    --border: #2a3a52;
    --border-focus: #3b82f6;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --critical: #f97316;
    --mono: 'IBM Plex Mono', monospace;
    --sans: 'IBM Plex Sans', -apple-system, sans-serif;
    --radius: 6px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

body {
    font-family: var(--sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 14px;
    line-height: 1.6;
}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar {
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    gap: 24px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-icon { font-size: 22px; color: var(--accent); }
.nav-title { font-family: var(--mono); font-weight: 600; font-size: 15px; letter-spacing: 2px; color: var(--text-primary); }
.nav-subtitle { font-size: 11px; color: var(--text-muted); display: none; }
@media (min-width: 768px) { .nav-subtitle { display: inline; } }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius);
    transition: all 0.15s;
}
.nav-link:hover { color: var(--text-primary); background: rgba(59,130,246,0.1); }
.nav-link.active { color: var(--accent); background: rgba(59,130,246,0.15); }
.nav-link.logout { color: var(--text-muted); }
.nav-link.logout:hover { color: var(--danger); }
.nav-user { display: flex; align-items: center; gap: 12px; }
.user-badge {
    font-family: var(--mono);
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(59,130,246,0.15);
    color: var(--accent);
    border: 1px solid rgba(59,130,246,0.3);
}
.user-badge.admin {
    background: rgba(239,68,68,0.15);
    color: var(--danger);
    border-color: rgba(239,68,68,0.3);
}

/* ─── Container ──────────────────────────────────────────────── */
.container { flex: 1; padding: 24px; max-width: 1400px; margin: 0 auto; width: 100%; }

/* ─── Flash Messages ─────────────────────────────────────────── */
.flash-messages { margin-bottom: 20px; }
.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-size: 13px;
    border: 1px solid;
}
.flash-success { background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.3); color: var(--success); }
.flash-danger { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: var(--danger); }
.flash-warning { background: rgba(234,179,8,0.1); border-color: rgba(234,179,8,0.3); color: var(--warning); }
.flash-info { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); color: var(--accent); }
.flash-close { background: none; border: none; color: inherit; font-size: 18px; cursor: pointer; opacity: 0.6; }
.flash-close:hover { opacity: 1; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-family: var(--mono); font-size: 14px; font-weight: 600; letter-spacing: 0.5px; }

/* ─── Stats Grid ─────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}
.stat-value { font-family: var(--mono); font-size: 32px; font-weight: 600; color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }

/* ─── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--sans);
    font-size: 14px;
    transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(59,130,246,0.2);
}
.form-textarea { min-height: 80px; resize: vertical; }
.form-select { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    letter-spacing: 0.3px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-kill {
    background: rgba(239,68,68,0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
    font-weight: 600;
}
.btn-kill:hover { background: var(--danger); color: #fff; }

/* ─── Tables ─────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(42,58,82,0.5);
    font-size: 13px;
    color: var(--text-secondary);
}
tr:hover td { background: rgba(59,130,246,0.03); }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.badge-info { background: rgba(59,130,246,0.15); color: var(--accent); }
.badge-warning { background: rgba(234,179,8,0.15); color: var(--warning); }
.badge-alert { background: rgba(249,115,22,0.15); color: var(--critical); }
.badge-critical { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-controlled { background: rgba(59,130,246,0.15); color: var(--accent); border: 1px solid rgba(59,130,246,0.3); }
.badge-restricted { background: rgba(234,179,8,0.15); color: var(--warning); border: 1px solid rgba(234,179,8,0.3); }
.badge-confidential { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.badge-active { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-inactive { background: rgba(239,68,68,0.15); color: var(--danger); }

/* ─── Login Page ─────────────────────────────────────────────── */
.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
}
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}
.login-header {
    text-align: center;
    margin-bottom: 32px;
}
.login-icon { font-size: 36px; color: var(--accent); margin-bottom: 12px; }
.login-title { font-family: var(--mono); font-size: 20px; font-weight: 600; letter-spacing: 3px; }
.login-sub { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.login-warning {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--warning);
    text-align: center;
    margin-top: 24px;
    padding: 12px;
    border: 1px solid rgba(234,179,8,0.3);
    border-radius: var(--radius);
    background: rgba(234,179,8,0.05);
    line-height: 1.5;
}

/* ─── TOS Page ───────────────────────────────────────────────── */
.tos-content {
    max-height: 400px;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13px;
    line-height: 1.8;
}
.tos-content h3 { color: var(--text-primary); margin: 16px 0 8px; font-size: 14px; }
.tos-content p { color: var(--text-secondary); margin-bottom: 10px; }
.tos-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 16px; }

/* ─── Document Grid ──────────────────────────────────────────── */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.doc-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: border-color 0.15s;
}
.doc-card:hover { border-color: var(--accent); }
.doc-title { font-weight: 600; margin-bottom: 6px; }
.doc-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }
.doc-meta { font-family: var(--mono); font-size: 11px; color: var(--text-muted); display: flex; gap: 16px; margin-bottom: 12px; }

/* ─── Viewer Page ────────────────────────────────────────────── */
.viewer-container {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
}
.viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 12px;
}
.viewer-info { color: var(--text-muted); }
.viewer-embed {
    flex: 1;
    width: 100%;
    border: none;
}

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination {
    display: flex;
    gap: 4px;
    margin-top: 20px;
    justify-content: center;
}
.page-link {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--mono);
    font-size: 12px;
}
.page-link:hover { border-color: var(--accent); color: var(--accent); }
.page-link.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-link.disabled { opacity: 0.3; pointer-events: none; }

/* ─── Audit Detail ───────────────────────────────────────────── */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-item { margin-bottom: 12px; }
.detail-label { font-family: var(--mono); font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.detail-value { font-size: 14px; color: var(--text-primary); word-break: break-all; }
.detail-json {
    background: var(--bg-input);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 12px;
    white-space: pre-wrap;
    overflow-x: auto;
    color: var(--text-secondary);
}

/* ─── Filters ────────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    align-items: flex-end;
}
.filter-bar .form-group { margin-bottom: 0; min-width: 140px; }
.filter-bar .form-input, .filter-bar .form-select {
    padding: 7px 10px;
    font-size: 12px;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
    display: flex;
    justify-content: space-between;
    padding: 12px 24px;
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

/* ─── Utilities ──────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-mono { font-family: var(--mono); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }