/* 
 * WeDrink - Modern Web UI Design
 * Inter Font, Material Icons, CSS Variables, Animations 
 */

:root {
    /* Color Palette - Vibrant and Professional */
    --primary: #6366f1;
    /* Indigo 500 */
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary: #10b981;
    /* Emerald 500 */
    --secondary-hover: #059669;
    --secondary-light: #d1fae5;
    --secondary-gradient: linear-gradient(135deg, #34d399 0%, #059669 100%);
    --danger: #ef4444;
    /* Red 500 */
    --danger-hover: #dc2626;
    --danger-light: #fee2e2;
    --danger-gradient: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
    --warning: #f59e0b;
    /* Amber 500 */
    --warning-light: #fef3c7;
    --warning-gradient: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    --info: #3b82f6;
    /* Blue 500 */
    --info-light: #dbeafe;
    --info-gradient: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);

    /* Backgrounds & Surfaces */
    --bg-body: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.95);
    --bg-surface-opaque: #ffffff;
    --bg-surface-hover: #f1f5f9;

    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;

    /* Borders & Shadows */
    --border-color: rgba(226, 232, 240, 0.8);
    --border-focus: rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

    /* Animations */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --animation-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal);
    z-index: 100;
}

.sidebar-header {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo-icon {
    color: var(--primary);
    font-size: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.mobile-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.sidebar-user {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background-color: var(--primary-light);
}

.user-avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 20px;
}

.user-details .user-name {
    font-weight: 600;
    font-size: 15px;
}

.user-details .user-role {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

.skeleton-text {
    height: 16px;
    width: 100px;
    border-radius: 4px;
    margin-top: 4px;
    background: linear-gradient(90deg, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Nav Links */
.nav-links {
    list-style: none;
    padding: 16px;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background-color: var(--bg-surface-hover);
    color: var(--primary);
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 4px;
    background: var(--primary-gradient);
    border-radius: 0 4px 4px 0;
}

.nav-link.active .material-symbols-rounded {
    color: var(--primary);
    font-variation-settings: 'FILL' 1;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.logout-link {
    color: var(--danger);
}

.logout-link:hover {
    background-color: var(--danger-light);
    color: var(--danger-hover);
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-header {
    height: 72px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 32px;
    gap: 16px;
    z-index: 10;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    margin-left: -8px;
}

.menu-btn:hover {
    background-color: var(--bg-surface-hover);
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-actions {
    margin-left: auto;
    display: flex;
    gap: 12px;
}

/* Body Content */
.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    scroll-behavior: smooth;
}

/* Cards */
.card {
    background-color: var(--bg-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: all var(--transition-normal);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-surface-opaque);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
    border-color: #cbd5e1;
}

.btn-success {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    background-color: var(--bg-surface-hover);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bg-surface-hover);
}

/* Form Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 15px;
    transition: all var(--transition-fast);
    background-color: var(--bg-surface);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--border-focus);
}

/* Badges / Status Indicators */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background-color: var(--secondary-light);
    color: var(--secondary-hover);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background-color: var(--warning-light);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background-color: var(--danger-light);
    color: var(--danger-hover);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Toasts */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid transparent;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.3s var(--animation-bounce);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-color: var(--secondary);
}

.toast-success .toast-icon {
    color: var(--secondary);
}

.toast-error {
    border-color: var(--danger);
}

.toast-error .toast-icon {
    color: var(--danger);
}

.toast-info {
    border-color: var(--info);
}

.toast-info .toast-icon {
    color: var(--info);
}

/* Animations - Entry */
.fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design for Mobile (Telegram/iPhone) */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        height: 100vh;
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 90;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-normal);
        backdrop-filter: blur(2px);
    }

    .sidebar-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-close-btn {
        display: block;
    }

    .menu-btn {
        display: block;
    }

    .top-header {
        padding: 0 16px;
    }

    .page-title {
        font-size: 20px;
    }

    .content-body {
        padding: 16px;
    }

    .card {
        padding: 16px;
    }

    /* Optimize table for mobile */
    .table th,
    .table td {
        padding: 12px 16px;
    }
}