@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #008060;
    --primary-dark: #004c3f;
    --primary-light: #e3f1ed;
    --sidebar-bg: #1a1f2e;
    --sidebar-text: #a8b3cf;
    --sidebar-active: #ffffff;
    --sidebar-hover: #2d3548;
    --sidebar-accent: #008060;
    --bg: #f6f6f7;
    --white: #ffffff;
    --border: #e1e3e5;
    --text: #202223;
    --text-muted: #6d7175;
    --danger: #d82c0d;
    --warning: #ffc453;
    --success: #008060;
    --info: #0070f3;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

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

/* ── SIDEBAR ── */
.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: width 0.2s;
}

.sidebar-logo {
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo .logo-mark {
    width: 32px; height: 32px;
    background: var(--primary);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.sidebar-logo .logo-text {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.3px;
}

.sidebar-logo .logo-sub {
    color: var(--sidebar-text);
    font-size: 11px;
    margin-top: 1px;
}

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.nav-section-label {
    padding: 8px 20px 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: rgba(168,179,207,0.5);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 450;
    border-radius: 0;
    transition: all 0.15s;
    position: relative;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background: var(--sidebar-hover);
    color: var(--sidebar-active);
    font-weight: 500;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 4px; bottom: 4px;
    width: 3px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
    width: 18px; height: 18px;
    opacity: 0.7;
    flex-shrink: 0;
}

.nav-item.active .nav-icon,
.nav-item:hover .nav-icon { opacity: 1; }

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 999px;
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
}

.user-info .user-name { color: #fff; font-size: 13px; font-weight: 500; }
.user-info .user-role { color: var(--sidebar-text); font-size: 11px; text-transform: capitalize; }

/* ── MAIN CONTENT ── */
.main-content {
    margin-left: 240px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── TOP BAR ── */
.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 16px; font-weight: 600; color: var(--text); }
.topbar-breadcrumb { font-size: 13px; color: var(--text-muted); }
.topbar-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.topbar-breadcrumb a:hover { color: var(--primary); }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.topbar-search {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px 12px;
    gap: 8px;
    width: 220px;
}

.topbar-search input {
    border: none;
    background: none;
    font-size: 13px;
    color: var(--text);
    outline: none;
    width: 100%;
}

.topbar-search input::placeholder { color: var(--text-muted); }

.icon-btn {
    width: 36px; height: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--white);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.15s;
    position: relative;
    text-decoration: none;
}

.icon-btn:hover { background: var(--bg); color: var(--text); }

.notif-dot {
    position: absolute;
    top: 6px; right: 6px;
    width: 7px; height: 7px;
    background: var(--danger);
    border-radius: 50%;
    border: 1.5px solid white;
}

/* ── PAGE CONTENT ── */
.page-content { padding: 24px; flex: 1; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-header h1 { font-size: 20px; font-weight: 600; }
.page-header p { color: var(--text-muted); font-size: 13px; margin-top: 2px; }

/* ── STATS CARDS ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-card .stat-change {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-card .stat-icon {
    float: right;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    margin-top: -4px;
}

/* ── CARDS ── */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

/* ── TABLES ── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

thead th {
    padding: 10px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13.5px;
    color: var(--text);
    vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafafa; }

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
    background: var(--white);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }

/* ── BADGES ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-green   { background: #dcfce7; color: #166534; }
.badge-red     { background: #fee2e2; color: #991b1b; }
.badge-orange  { background: #fef3c7; color: #92400e; }
.badge-blue    { background: #dbeafe; color: #1e40af; }
.badge-gray    { background: #f1f5f9; color: #475569; }
.badge-purple  { background: #ede9fe; color: #6d28d9; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13.5px;
    color: var(--text);
    background: var(--white);
    outline: none;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,128,96,0.1); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── ALERTS / FLASH ── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning  { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info     { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ── TRAFFIC LIGHTS ── */
.traffic-light {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
}

.light {
    width: 12px; height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.light-green  { background: #16a34a; box-shadow: 0 0 6px rgba(22,163,74,0.5); }
.light-orange { background: #d97706; box-shadow: 0 0 6px rgba(217,119,6,0.5); }
.light-red    { background: #dc2626; box-shadow: 0 0 6px rgba(220,38,38,0.5); }

/* ── EMPTY STATE ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state svg { margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 13.5px; }

/* ── PAGINATION ── */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.page-link {
    padding: 6px 10px;
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.15s;
}

.page-link:hover { background: var(--bg); border-color: var(--border); }
.page-link.active { background: var(--primary); color: #fff; }

/* ── DROPDOWN ── */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    z-index: 200;
    display: none;
    overflow: hidden;
}

.dropdown-menu.show { display: block; }
.dropdown-item {
    display: block;
    padding: 9px 16px;
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    transition: background 0.1s;
}

.dropdown-item:hover { background: var(--bg); }
.dropdown-item.danger { color: var(--danger); }
.dropdown-divider { border-top: 1px solid var(--border); margin: 4px 0; }

/* ── LOGIN PAGE ── */
.login-page {
    min-height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo .mark {
    width: 48px; height: 48px;
    background: var(--primary);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.login-logo h1 { font-size: 20px; font-weight: 700; }
.login-logo p  { color: var(--text-muted); font-size: 13px; margin-top: 4px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .sidebar { width: 0; overflow: hidden; }
    .main-content { margin-left: 0; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── UTILITIES ── */
.text-muted  { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-sm { font-size: 12px; }
.fw-600 { font-weight: 600; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; } .align-center { align-items: center; } .gap-2 { gap: 8px; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }
.hidden { display: none; }