/* ============================================
   PROFESSIONAL DESIGN SYSTEM
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --secondary: #0ea5e9;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --white: #ffffff;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f0f4f8;
    color: #1e293b;
    min-height: 100vh;
}

/* ============================================
   LANDING PAGE
   ============================================ */

.landing-hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.landing-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
    animation: float 25s infinite alternate;
}

.landing-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    animation: float 20s infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    100% { transform: translate(-5%, -5%) scale(1.1) rotate(5deg); }
}

.landing-content {
    position: relative;
    z-index: 1;
    padding: 20px;
}

.landing-logo {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(124, 58, 237, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 48px;
    color: #818cf8;
    border: 2px solid rgba(79, 70, 229, 0.3);
    animation: pulse 3s infinite;
    backdrop-filter: blur(10px);
}

.landing-content h1 {
    color: white;
    letter-spacing: -2px;
    font-weight: 800;
}

.landing-content .lead {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.25rem;
    font-weight: 300;
}

.landing-content .btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 14px 40px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    color: white;
    box-shadow: 0 8px 32px rgba(79, 70, 229, 0.3);
}

.landing-content .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(79, 70, 229, 0.5);
}

.landing-content .btn-outline-primary {
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 14px 40px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: transparent;
}

.landing-content .btn-outline-primary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
}

/* ============================================
   LOGIN / REGISTER
   ============================================ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 70%;
    height: 70%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
    animation: float 20s infinite alternate;
}

.login-box {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 48px 40px;
    border-radius: var(--radius);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 420px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: slideUp 0.6s ease;
    position: relative;
    z-index: 1;
}

.login-box .logo-circle {
    width: 72px;
    height: 72px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 32px;
    box-shadow: 0 8px 32px rgba(79, 70, 229, 0.4);
}

.login-box h4 {
    font-weight: 700;
    font-size: 24px;
    color: #0f172a;
    margin-bottom: 4px;
}

.login-box .subtitle {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 28px;
}

.login-box .form-control {
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    transition: var(--transition);
    background: #f8fafc;
    height: 48px;
}

.login-box .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background: white;
}

.login-box .btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 15px;
    height: 48px;
    box-shadow: 0 8px 32px rgba(79, 70, 229, 0.3);
}

.login-box .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px rgba(79, 70, 229, 0.5);
}

.login-box .btn-success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border: none;
    padding: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    height: 48px;
    box-shadow: 0 8px 32px rgba(34, 197, 94, 0.3);
}

.login-box .btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px rgba(34, 197, 94, 0.5);
}

.login-box a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.login-box a:hover {
    color: var(--primary-dark);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    background: linear-gradient(135deg, #0f172a, #1e1b4b) !important;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.5px;
    color: white !important;
}

.navbar-brand i {
    color: var(--primary-light);
}

.navbar .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.navbar .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.navbar .btn-outline-danger {
    border-color: rgba(239, 68, 68, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

.navbar .btn-outline-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: white;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.08);
    padding: 6px 18px 6px 8px;
    border-radius: 40px;
    color: white;
    font-weight: 500;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.user-badge .avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
}

/* ============================================
   STAT CARDS
   ============================================ */

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.stat-card.bg-blue::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.stat-card.bg-green::before { background: linear-gradient(90deg, #22c55e, #4ade80); }
.stat-card.bg-red::before { background: linear-gradient(90deg, #ef4444, #f87171); }
.stat-card.bg-orange::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.stat-card .stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-card.bg-blue .stat-icon { background: #eff6ff; color: #3b82f6; }
.stat-card.bg-green .stat-icon { background: #f0fdf4; color: #22c55e; }
.stat-card.bg-red .stat-icon { background: #fef2f2; color: #ef4444; }
.stat-card.bg-orange .stat-icon { background: #fffbeb; color: #f59e0b; }

.stat-card .stat-number {
    font-size: 34px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -1px;
    line-height: 1.1;
}

.stat-card .stat-label {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

.stat-card .stat-change {
    font-size: 12px;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 20px;
    display: inline-block;
}

.stat-change.up { background: #dcfce7; color: #16a34a; }
.stat-change.down { background: #fee2e2; color: #dc2626; }

/* ============================================
   CARDS
   ============================================ */

.card {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    background: white;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid #f1f5f9;
    padding: 20px 24px;
    font-weight: 600;
    font-size: 16px;
    color: #0f172a;
}

.card-body {
    padding: 24px;
}

/* ============================================
   TABLE
   ============================================ */

.table {
    margin-bottom: 0;
}

.table thead th {
    background: #f8fafc;
    color: var(--gray);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #e2e8f0;
    padding: 14px 16px;
}

.table tbody td {
    padding: 14px 16px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
    font-size: 14px;
}

.table tbody tr:hover {
    background: #f8fafc;
}

/* ============================================
   BADGES
   ============================================ */

.badge-active {
    background: #dcfce7;
    color: #166534;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-active i {
    font-size: 7px;
    color: #22c55e;
    animation: pulse 1.5s infinite;
}

.badge-out {
    background: #f1f5f9;
    color: #475569;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   PHOTO THUMB
   ============================================ */

.photo-thumb {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid #e2e8f0;
    transition: var(--transition);
}

.photo-thumb:hover {
    transform: scale(1.15);
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.2);
}

.photo-thumb-placeholder {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    border: 2px dashed #e2e8f0;
    font-size: 18px;
}

/* ============================================
   ACTION BUTTONS
   ============================================ */

.btn-action {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--gray);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-action:hover {
    background: #f1f5f9;
    color: #1e293b;
}

.btn-action.edit:hover {
    background: #eff6ff;
    color: #3b82f6;
}

.btn-action.checkout:hover {
    background: #f0fdf4;
    color: #22c55e;
}

.btn-action.delete:hover {
    background: #fef2f2;
    color: #ef4444;
}

/* ============================================
   CHART
   ============================================ */

.chart-container {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 180px;
    gap: 16px;
    padding: 10px 0;
}

.chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.chart-bar-bg {
    flex: 1;
    width: 100%;
    max-width: 44px;
    background: #f1f5f9;
    border-radius: 8px 8px 0 0;
    min-height: 20px;
    position: relative;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.chart-bar {
    width: 100%;
    border-radius: 8px 8px 0 0;
    min-height: 8px;
    transition: height 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.chart-bar-value {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 700;
    color: #0f172a;
}

.chart-bar-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-notification {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    animation: slideDown 0.4s ease;
}

.toast-notification > div {
    padding: 16px 28px;
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 500;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
}

.toast-success { background: linear-gradient(135deg, #22c55e, #16a34a); }
.toast-error { background: linear-gradient(135deg, #ef4444, #dc2626); }
.toast-info { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.toast-warning { background: linear-gradient(135deg, #f59e0b, #d97706); }

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
.animate-slide-up { animation: slideUp 0.6s ease forwards; opacity: 0; }

/* ============================================
   SEARCH INPUT
   ============================================ */

.search-wrapper {
    position: relative;
}

.search-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-light);
    font-size: 14px;
}

.search-wrapper input {
    padding-left: 42px;
    border-radius: 40px;
    border: 2px solid #e2e8f0;
    background: #f8fafc;
    transition: var(--transition);
    font-size: 14px;
    height: 40px;
    width: 220px;
}

.search-wrapper input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background: white;
}

/* ============================================
   PROGRESS BARS
   ============================================ */

.progress {
    border-radius: 20px;
    background: #f1f5f9;
    overflow: hidden;
}

.progress-bar {
    border-radius: 20px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   LIST GROUP
   ============================================ */

.list-group-item {
    border-color: #f1f5f9;
    background: transparent;
}

/* ============================================
   VISITOR DASHBOARD STATUS CARD
   ============================================ */

.status-card {
    border-radius: var(--radius);
    padding: 48px 32px;
    text-align: center;
    background: white;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.status-card:hover {
    box-shadow: var(--shadow-hover);
}

.status-card .icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.status-card .status-text {
    font-size: 24px;
    font-weight: 700;
}

.status-card .sub-text {
    color: var(--gray);
    margin-top: 4px;
    font-size: 15px;
}

.status-card .btn-check {
    margin-top: 24px;
    padding: 14px 48px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    font-size: 16px;
}

.status-card.active {
    border-left: 6px solid var(--success);
}

.status-card.inactive {
    border-left: 6px solid var(--gray);
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--primary);
    font-size: 56px;
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] body {
    background: #0f172a;
    color: #e2e8f0;
}

[data-theme="dark"] .stat-card,
[data-theme="dark"] .card,
[data-theme="dark"] .login-box,
[data-theme="dark"] .status-card {
    background: #1e293b;
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .stat-card .stat-number {
    color: #f1f5f9;
}

[data-theme="dark"] .stat-card .stat-label {
    color: #94a3b8;
}

[data-theme="dark"] .table {
    color: #e2e8f0;
}

[data-theme="dark"] .table thead th {
    background: #1e293b;
    color: #94a3b8;
    border-color: #334155;
}

[data-theme="dark"] .table tbody td {
    border-color: #334155;
}

[data-theme="dark"] .table tbody tr:hover {
    background: #1e293b;
}

[data-theme="dark"] .chart-bar-bg {
    background: #334155;
}

[data-theme="dark"] .chart-bar-value {
    color: #f1f5f9;
}

[data-theme="dark"] .chart-bar-label {
    color: #94a3b8;
}

[data-theme="dark"] .photo-thumb-placeholder {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .login-box .form-control {
    background: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

[data-theme="dark"] .login-box .form-control:focus {
    background: #1e293b;
    border-color: var(--primary);
}

[data-theme="dark"] .login-box h4 {
    color: #f1f5f9;
}

[data-theme="dark"] .login-box .subtitle {
    color: #94a3b8;
}

[data-theme="dark"] .card-header {
    border-color: #334155;
    color: #f1f5f9;
}

[data-theme="dark"] .badge-out {
    background: #334155;
    color: #94a3b8;
}

[data-theme="dark"] .badge.bg-light {
    background: #334155 !important;
    color: #e2e8f0 !important;
}

[data-theme="dark"] .search-wrapper input {
    background: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

[data-theme="dark"] .search-wrapper input:focus {
    background: #1e293b;
    border-color: var(--primary);
}

[data-theme="dark"] .status-card .sub-text {
    color: #94a3b8;
}

[data-theme="dark"] .navbar {
    background: linear-gradient(135deg, #0a0f1e, #1a1a3e) !important;
}

[data-theme="dark"] .list-group-item {
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .progress {
    background: #334155;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 992px) {
    .chart-container {
        height: 150px;
        gap: 12px;
    }
    .chart-bar-bg {
        max-width: 36px;
    }
}

@media (max-width: 768px) {
    .login-box { padding: 32px 24px; margin: 16px; }
    .login-box h4 { font-size: 20px; }
    
    .stat-card { padding: 18px 20px; }
    .stat-card .stat-number { font-size: 26px; }
    
    .card-body { padding: 16px; }
    .card-header { padding: 16px; }
    
    .table thead th, .table tbody td { padding: 10px 12px; font-size: 13px; }
    
    .chart-container { height: 130px; gap: 10px; }
    .chart-bar-bg { max-width: 30px; }
    
    .landing-content h1 { font-size: 2.2rem; }
    .landing-logo { width: 80px; height: 80px; font-size: 36px; }
    .landing-content .btn { padding: 12px 28px; font-size: 14px; }
    
    .status-card { padding: 32px 20px; }
    .status-card .icon { font-size: 48px; }
    .status-card .status-text { font-size: 20px; }
    
    .search-wrapper input { width: 160px !important; }
}

@media (max-width: 576px) {
    .user-badge .username { display: none; }
    .navbar-brand { font-size: 17px; }
    .search-wrapper input { width: 120px !important; }
    .stat-card .stat-number { font-size: 22px; }
    .stat-card { padding: 14px 16px; }
    .stat-card .stat-icon { width: 40px; height: 40px; font-size: 16px; }
}