:root {
    --navy: #0b1f3a;
    --navy-light: #12335e;
    --gold: #d4af37;
    --teal: #0e7c86;
    --bg: #f4f6f9;
    --card-bg: #ffffff;
    --text-dark: #1c2733;
    --text-muted: #6b7688;
    --danger: #d9534f;
    --success: #2e8b57;
    --warning: #e0a800;
    --border: #e3e7ee;
}

* { box-sizing: border-box; }

body {
    background: var(--bg);
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
    color: var(--text-dark);
    margin: 0;
}

/* ---------- Layout ---------- */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: 250px;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.sidebar .brand img { height: 38px; width: auto; border-radius: 4px; background:#fff; padding:3px; }
.sidebar .brand span { font-weight: 600; font-size: 15px; line-height: 1.2; }
.sidebar nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: rgba(255,255,255,0.82);
    text-decoration: none;
    font-size: 14.5px;
    border-left: 3px solid transparent;
    transition: 0.15s;
}
.sidebar nav a:hover, .sidebar nav a.active {
    background: rgba(255,255,255,0.08);
    border-left-color: var(--gold);
    color: #fff;
}
.sidebar .logout { padding: 14px 20px; border-top: 1px solid rgba(255,255,255,0.12); }
.sidebar .logout a { color: #f1b3b1; text-decoration: none; font-size: 14px; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 26px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar h1 { font-size: 19px; margin: 0; color: var(--navy); }
.topbar .user-chip { font-size: 13.5px; color: var(--text-muted); }
.topbar .user-chip b { color: var(--text-dark); }
.content { padding: 24px 26px; flex: 1; }

/* ---------- Cards / Stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-top: 3px solid var(--teal);
}
.stat-card.gold { border-top-color: var(--gold); }
.stat-card.navy { border-top-color: var(--navy); }
.stat-card.danger { border-top-color: var(--danger); }
.stat-card .label { font-size: 12.5px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.stat-card .value { font-size: 26px; font-weight: 700; color: var(--navy); margin-top: 6px; }

.card {
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border);
    padding: 20px;
    margin-bottom: 22px;
}
.card h2 { font-size: 16px; margin: 0 0 16px 0; color: var(--navy); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th {
    text-align: left; background: #f8f9fb; color: var(--text-muted);
    font-weight: 600; padding: 10px 12px; border-bottom: 2px solid var(--border);
    text-transform: uppercase; font-size: 12px; letter-spacing: 0.3px;
}
table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table tr:hover td { background: #fafbfd; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-open, .badge-pending { background: #fdf1d3; color: #8a6400; }
.badge-in_progress { background: #d9ecf7; color: #14618c; }
.badge-completed, .badge-resolved, .badge-active { background: #ddf0e2; color: #1d7a3f; }
.badge-closed, .badge-cancelled, .badge-inactive, .badge-dropped { background: #f2d5d4; color: #a23530; }
.badge-on_hold { background: #eee; color: #666; }
.badge-urgent, .badge-high { background: #f8d7da; color: #842029; }
.badge-medium { background: #fff3cd; color: #664d03; }
.badge-low { background: #e2e3e5; color: #41464b; }

/* ---------- Forms ---------- */
label { font-size: 13px; font-weight: 600; color: var(--text-dark); display: block; margin-bottom: 5px; }
input, select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px;
    font-size: 14px; margin-bottom: 14px; font-family: inherit; background: #fff;
}
textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block; padding: 9px 18px; border-radius: 6px; border: none;
    font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
    transition: 0.15s;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-light); }
.btn-gold { background: var(--gold); color: #2a2200; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text-dark); }
.btn-sm { padding: 5px 11px; font-size: 12.5px; }

.actions a, .actions button { margin-right: 6px; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.alert-success { background: #ddf0e2; color: #1d7a3f; }
.alert-error { background: #f2d5d4; color: #a23530; }

.flex-between { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }

/* ---------- Login page ---------- */
.login-wrapper {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, var(--teal) 130%);
}
.login-box {
    background: #fff; border-radius: 14px; padding: 40px 36px; width: 380px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-box img { height: 55px; display: block; margin: 0 auto 18px auto; }
.login-box h2 { text-align: center; color: var(--navy); margin: 0 0 6px 0; font-size: 20px; }
.login-box p.sub { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 22px; }
.login-box .btn { width: 100%; text-align: center; padding: 11px; }

@media (max-width: 860px) {
    .sidebar { position: fixed; z-index: 40; height: 100vh; transform: translateX(-100%); transition: 0.2s; }
    .sidebar.open { transform: translateX(0); }
    .main { width: 100%; }
}