/* Internal Style CSS - Colorful & Modern */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Brand Colors - Modern & Vibrant */
    --primary-color: #6366f1;
    /* Indigo */
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    /* Pink */
    --accent-color: #8b5cf6;
    /* Violet */

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-sidebar: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
    --gradient-login: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Backgrounds */
    --bg-body: #f3f4f6;
    --bg-white: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.9);

    /* Text */
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-light: #f3f4f6;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Spacing & Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-colored: 0 10px 25px -5px rgba(99, 102, 241, 0.4);

    --font-main: 'Outfit', sans-serif;
}

/* Reset & Base */
body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    /* Clean scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-body);
}

* {
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.2s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-main);
    margin-top: 0;
}

/* Layout */
.admin-body {
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background: var(--gradient-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header h3 {
    margin: 0;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(to right, #fff, #c7d2fe);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    padding: 1.5rem 1rem;
    margin: 0;
    overflow-y: auto;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: 0.5rem;
}

.nav-links a {
    display: flex;
    align-items: center;
    padding: 0.85rem 1rem;
    color: #cbd5e1;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    /* border-left: none; Override old style */
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-group {
    padding: 1.5rem 1rem 0.5rem;
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Submenu */
.submenu {
    display: none;
    background: rgba(0, 0, 0, 0.2);
    margin: 0.5rem 0 0.5rem 1rem;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.submenu a {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    color: #94a3b8;
}

.submenu a:hover {
    color: white;
    background: transparent;
    transform: translateX(3px);
}

/* Main Content */
.main-content {
    flex-grow: 1;
    margin-left: 280px;
    width: calc(100% - 280px);
    background: #f8fafc;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Bar */
.top-bar {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    height: 80px;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 90;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow-sm);
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: #eef2ff;
}

.user-info {
    font-weight: 500;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info strong {
    color: var(--primary-color);
}

/* Cards */
.content-wrapper {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(229, 231, 235, 0.5);
    margin-bottom: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

/* Typography & Titles */
h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.page-container h2::after {
    content: '';
    display: block;
    width: 40%;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin-top: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 8px;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background: #e2e8f0;
    color: var(--text-main);
}

.btn-secondary:hover {
    background: #cbd5e1;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background: white;
    margin-top: 1.5rem;
}

.data-table thead th {
    background: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 1rem 1.5rem;
    border-bottom: 2px solid #e2e8f0;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: background 0.2s;
}

.data-table tbody td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-main);
    font-size: 0.95rem;
}

.data-table tbody tr:hover {
    background-color: #f1f5f9;
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.95rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
    background: #f8fafc;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    background: white;
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Login Page Styling */
.login-body {
    background: var(--gradient-login);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-body::before,
.login-body::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

.login-body::before {
    top: -100px;
    left: -100px;
}

.login-body::after {
    bottom: -100px;
    right: -100px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.5);
    max-width: 420px;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.login-card h2 {
    color: var(--primary-dark);
    font-size: 2rem;
    margin-bottom: 2.5rem;
}

/* Alert Styling */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.alert.success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert.error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 1.5rem;
    }
}

/* Status Badges */
.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.status-badge.booked {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.cancelled {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.closed {
    background: #e0f2fe;
    color: #075985;
}

.filters {
    margin-bottom: 1.5rem;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid #e2e8f0;
}