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

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #8B5CF6;
    --secondary-dark: #7C3AED;
    --accent: #06B6D4;
    --accent-dark: #0891B2;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-hover: rgba(51, 65, 85, 0.8);
    
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    
    --border-color: #334155;
    --border-light: #475569;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1A2234 50%, var(--bg-primary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.input-field {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
    outline: none;
    width: 100%;
}

.input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    background: rgba(15, 23, 42, 0.8);
}

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

.select-field {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
    outline: none;
    width: 100%;
    cursor: pointer;
}

.select-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.textarea-field {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
    outline: none;
    width: 100%;
    resize: none;
    min-height: 100px;
}

.textarea-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    background: rgba(15, 23, 42, 0.8);
}

.card-stat {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card-stat:hover::before {
    opacity: 1;
}

.card-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.2);
}

.card-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.sidebar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
}

.sidebar.collapsed {
    width: 72px;
}

.sidebar-item {
    position: relative;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.sidebar-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(4px);
}

.sidebar-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
}

.sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 0 3px 3px 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    font-size: 14px;
}

.sidebar-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.1));
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.sidebar-link i {
    width: 24px;
    font-size: 18px;
    margin-right: 12px;
}

.nav-item {
    transition: all var(--transition-normal);
    cursor: pointer;
}

.nav-item:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.dropdown-menu {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.dropdown-item {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.status-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.status-ended {
    background: rgba(107, 114, 128, 0.2);
    color: #9CA3AF;
}

.status-pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.status-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.status-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}

.progress-bar {
    background: rgba(71, 85, 105, 0.3);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.modal-overlay {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

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

.table-dark th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-dark td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.table-dark tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(71, 85, 105, 0.5);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
        opacity: 1;
    }
    50% { 
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
        opacity: 0.8;
    }
}

@keyframes slide-in-right {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scale-in {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes bounce-in {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.animate-slide-in-right {
    animation: slide-in-right 0.3s ease-out;
}

.animate-slide-up {
    animation: slide-up 0.3s ease-out;
}

.animate-fade-in {
    animation: fade-in 0.2s ease-out;
}

.animate-scale-in {
    animation: scale-in 0.2s ease-out;
}

.animate-gradient-shift {
    background-size: 200% 200%;
    animation: gradient-shift 5s ease infinite;
}

.animate-bounce-in {
    animation: bounce-in 0.4s ease-out;
}

.animate-spin-slow {
    animation: spin-slow 3s linear infinite;
}

.toast-success {
    background: linear-gradient(135deg, var(--success), #059669);
}

.toast-error {
    background: linear-gradient(135deg, var(--danger), #DC2626);
}

.toast-warning {
    background: linear-gradient(135deg, var(--warning), #D97706);
}

.toast-info {
    background: linear-gradient(135deg, var(--info), #2563EB);
}

.online-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-green 2s infinite;
}

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

.message-bubble {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 16px;
    margin-bottom: 12px;
    position: relative;
}

.message-bubble.sent {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message-bubble.received {
    background: rgba(71, 85, 105, 0.5);
    color: #E2E8F0;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.user-item {
    transition: all var(--transition-normal);
    cursor: pointer;
    border-radius: var(--radius-md);
}

.user-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(4px);
}

.user-item.active {
    background: rgba(99, 102, 241, 0.2);
}

.feature-card {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
    transform: translateY(-4px);
}

.quick-action-btn {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.quick-action-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.option-card {
    transition: all var(--transition-normal);
    cursor: pointer;
    border-radius: var(--radius-md);
    border: 1px solid rgba(71, 85, 105, 0.5);
    padding: 12px 16px;
}

.option-card:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.option-card.selected {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.lottery-btn {
    background: linear-gradient(135deg, var(--warning), #D97706);
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

.lottery-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.4);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
}

.checkin-btn {
    background: linear-gradient(135deg, var(--success), #059669);
    transition: all var(--transition-normal);
}

.checkin-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.checkin-btn:active {
    transform: scale(0.98);
}

.search-container {
    position: relative;
}

.search-container input {
    padding-right: 40px;
}

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

.page-header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(71, 85, 105, 0.3);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(71, 85, 105, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    background: rgba(71, 85, 105, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 32px;
    color: var(--text-muted);
}

.empty-state-text {
    color: var(--text-muted);
    font-size: 14px;
}

.avatar-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.grid-container {
    display: grid;
    gap: 24px;
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}