/* 
 * Hotel Management System Premium CSS
 * Designed by Antigravity
 */

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

:root {
    --primary-color: #0c4a6e; /* Deep Oceanic Blue */
    --secondary-color: #0ea5e9; /* Sky Blue */
    --accent-color: #f59e0b; /* Amber */
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --danger: #ef4444;
    --success: #10b981;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: white;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    background: linear-gradient(to right, var(--secondary-color), #fff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background-color: var(--sidebar-hover);
    color: white;
}

.nav-group-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #475569;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Stats */
.stat-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.875rem;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

/* Table Management */
.table-container {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-top: 1.5rem;
}

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

th {
    background: #f1f5f9;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

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

tr:hover td {
    background-color: var(--bg-color);
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #e0f2fe; color: #075985; }

/* Grid for Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

/* Modal / Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* Glassmorphism Classes */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Iconify Standardization */
iconify-icon {
    vertical-align: middle;
}

.nav-link iconify-icon {
    font-size: 1.35rem;
    transition: transform 0.2s;
}

.nav-link:hover iconify-icon {
    transform: scale(1.1);
}

.stat-icon iconify-icon {
    font-size: 1.6rem;
}

.btn iconify-icon {
    font-size: 1.1rem;
}

.card-title iconify-icon {
    margin-right: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Responsive */
@media (max-width: 1024px) {
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { width: 0; padding: 0; overflow: hidden; }
    .main-content { margin-left: 0; }
    .dashboard-grid { grid-template-columns: 1fr; }
}