/* ============================================
   GATE MANAGEMENT SYSTEM - MAIN STYLESHEET
   Dark Industrial Theme
   ============================================ */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #151d2e;
    --bg-hover: #1a2540;
    --accent: #00d4ff;
    --accent-dim: rgba(0, 212, 255, 0.15);
    --accent-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --success: #10b981;
    --success-dim: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    --danger-dim: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-dim: rgba(245, 158, 11, 0.15);
    --info: #6366f1;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    --border: rgba(255,255,255,0.07);
    --border-accent: rgba(0, 212, 255, 0.3);
    --sidebar-w: 260px;
    --font-head: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }

/* ============ SIDEBAR ============ */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 100;
    transform: translateX(0);
    transition: transform 0.3s ease;
    overflow-y: auto;
}


.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
}

.logo-icon {
    width: 44px; height: 44px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent);
    font-size: 20px;
    flex-shrink: 0;
}

.logo-title {
    display: block;
    font-family: var(--font-head);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 3px;
    line-height: 1;
}

.logo-sub {
    display: block;
    font-family: var(--font-head);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-top: 2px;
}

.nav-section { padding: 16px 12px 4px; }

.nav-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    padding: 0 8px;
    display: block;
    margin-bottom: 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 2px;
}

.nav-item i { width: 18px; text-align: center; font-size: 15px; }

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
    border-left: 2px solid var(--accent);
}

.sidebar-footer {
    margin-top: auto;
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px; height: 36px;
    background: var(--info);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}

.user-name { display: block; font-size: 13px; font-weight: 600; }
.user-role { display: block; font-size: 11px; color: var(--text-muted); text-transform: capitalize; }

.logout-btn {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 18px;
    transition: color 0.2s;
}
.logout-btn:hover { color: var(--danger); }

/* ============ MAIN CONTENT ============ */
.main-content {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}


.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 28px;
    height: 64px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
}


.topbar-title {
    font-family: var(--font-head);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.topbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.live-time {
    font-family: var(--font-head);
    font-size: 16px;
    color: var(--accent);
    letter-spacing: 2px;
}

.gate-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.active {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.page-content { padding: 28px; }

/* ============ CARDS ============ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

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

.card-title {
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i { color: var(--accent); }

/* ============ STATS GRID ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 100%;
}

.stat-card.cyan::before { background: var(--accent); }
.stat-card.green::before { background: var(--success); }
.stat-card.red::before { background: var(--danger); }
.stat-card.orange::before { background: var(--warning); }
.stat-card.purple::before { background: var(--info); }

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.cyan { background: var(--accent-dim); color: var(--accent); }
.stat-icon.green { background: var(--success-dim); color: var(--success); }
.stat-icon.red { background: var(--danger-dim); color: var(--danger); }
.stat-icon.orange { background: var(--warning-dim); color: var(--warning); }
.stat-icon.purple { background: rgba(99,102,241,0.15); color: var(--info); }

.stat-num {
    font-family: var(--font-head);
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ============ TABLES ============ */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }

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

tbody td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}

tbody tr:hover { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }

.barcode-cell {
    font-family: monospace;
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 0.5px;
}

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.badge-success { background: var(--success-dim); color: var(--success); }
.badge-danger { background: var(--danger-dim); color: var(--danger); }
.badge-warning { background: var(--warning-dim); color: var(--warning); }
.badge-info { background: rgba(99,102,241,0.15); color: var(--info); }
.badge-cyan { background: var(--accent-dim); color: var(--accent); }
.badge-muted { background: rgba(255,255,255,0.05); color: var(--text-muted); }

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
}
.btn-primary:hover { background: #00b8d9; box-shadow: var(--accent-glow); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }

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

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-icon { padding: 8px; width: 34px; height: 34px; justify-content: center; }

/* ============ FORMS ============ */
.form-group { margin-bottom: 20px; }

label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

input, select, textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-body);
    transition: border-color 0.2s;
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

select option { background: var(--bg-secondary); }
textarea { resize: vertical; min-height: 100px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }

/* ============ MODAL ============ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(-20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: color 0.2s;
    padding: 4px;
}
.modal-close:hover { color: var(--danger); }

.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ============ SCANNER SPECIFIC ============ */
.scanner-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.scan-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
}

.scan-area {
    width: 100%;
    height: 220px;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-accent);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s;
}

.scan-area.scanning {
    border-color: var(--accent);
    box-shadow: inset 0 0 30px var(--accent-dim), var(--accent-glow);
}

.scan-area.success {
    border-color: var(--success);
    box-shadow: inset 0 0 30px var(--success-dim);
}

.scan-area.denied {
    border-color: var(--danger);
    box-shadow: inset 0 0 30px var(--danger-dim);
}

.scan-laser {
    display: none;
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: laserScan 1.5s ease-in-out infinite;
    box-shadow: 0 0 10px var(--accent);
}

.scan-area.scanning .scan-laser { display: block; }

@keyframes laserScan {
    0% { top: 10%; }
    100% { top: 90%; }
}

.scan-icon {
    font-size: 52px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.scan-area.scanning .scan-icon { color: var(--accent); animation: blink 1s infinite; }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.barcode-input-wrap {
    position: relative;
    margin: 16px 0;
}

.barcode-input {
    font-size: 18px;
    text-align: center;
    letter-spacing: 3px;
    font-family: monospace;
    padding: 14px;
    border: 2px solid var(--border-accent);
    background: var(--bg-secondary);
}

.barcode-input:focus {
    border-color: var(--accent);
    box-shadow: var(--accent-glow);
}

/* Result Card */
.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card.allowed { border-color: var(--success); }
.result-card.denied { border-color: var(--danger); }

.result-avatar {
    width: 60px; height: 60px;
    background: var(--accent-dim);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    color: var(--accent);
    flex-shrink: 0;
    border: 2px solid var(--border-accent);
}

.gate-open-indicator {
    background: var(--success-dim);
    border: 1px solid var(--success);
    border-radius: var(--radius);
    padding: 16px 24px;
    text-align: center;
    font-family: var(--font-head);
    font-size: 22px;
    font-weight: 700;
    color: var(--success);
    letter-spacing: 3px;
    animation: gateOpen 0.5s ease;
    display: none;
}

.gate-open-indicator.active { display: block; }

@keyframes gateOpen {
    0% { transform: scale(0.9); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

/* ============ ALERTS ============ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    margin-bottom: 16px;
}

.alert-success { background: var(--success-dim); border: 1px solid var(--success); color: var(--success); }
.alert-danger { background: var(--danger-dim); border: 1px solid var(--danger); color: var(--danger); }
.alert-warning { background: var(--warning-dim); border: 1px solid var(--warning); color: var(--warning); }
.alert-info { background: var(--accent-dim); border: 1px solid var(--accent); color: var(--accent); }

/* ============ TOAST ============ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.3s ease;
    min-width: 280px;
    box-shadow: var(--shadow);
}

.toast-success { background: #065f46; border: 1px solid var(--success); color: var(--success); }
.toast-danger { background: #7f1d1d; border: 1px solid var(--danger); color: var(--danger); }
.toast-warning { background: #78350f; border: 1px solid var(--warning); color: var(--warning); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============ SEARCH ============ */
.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.search-input-wrap {
    position: relative;
    flex: 1;
}

.search-input-wrap i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input {
    padding-left: 38px;
}

/* ============ PAGINATION ============ */
.pagination {
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
}

.pagination a, .pagination span {
    padding: 7px 13px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.pagination a:hover { background: var(--bg-hover); color: var(--text-primary); }
.pagination .current { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); font-weight: 600; }

/* ============ LOGIN PAGE ============ */
.login-page {
    min-height: 100vh;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
}

.login-box {
    width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    width: 72px; height: 72px;
    background: var(--accent-dim);
    border: 2px solid var(--border-accent);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 16px;
    box-shadow: var(--accent-glow);
}

.login-title {
    font-family: var(--font-head);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--accent);
}

.login-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ============ GRID UTILITIES ============ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.font-head { font-family: var(--font-head); }
.font-mono { font-family: monospace; }
.w-full { width: 100%; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .scanner-container { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
}

/* ============ SIDEBAR OVERLAY ============ */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 99;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* Close button inside sidebar - only shown on mobile */
.sidebar-close-btn {
    display: none;
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}
.sidebar-close-btn:hover { color: var(--danger); }

/* ============ MOBILE ============ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-260px) !important;
        z-index: 200;
    }
    .sidebar.open {
        transform: translateX(0) !important;
        box-shadow: 6px 0 40px rgba(0,0,0,0.8);
    }
    .sidebar-close-btn {
        display: block !important;
    }
    .main-content {
        margin-left: 0 !important;
    }
    .menu-toggle {
        display: block !important;
    }
    .page-content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .topbar { padding: 0 16px; }
    .topbar-title { font-size: 16px; }
}