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

:root {
    /* Premium Palette */
    --primary-color: #0F2942;
    /* Deep Navy */
    --primary-light: #1A3C59;
    --accent-color: #D4AF37;
    /* Gold */
    --accent-hover: #b59226;

    --bg-body: #F4F6F8;
    --bg-card: #FFFFFF;

    --text-primary: #1a1a1a;
    --text-secondary: #6B7280;

    --sidebar-width: 260px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);

    --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);
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Inter', sans-serif;
    color: var(--primary-color);
}

/* --- Sidebar --- */
.sidebar {
    height: 100vh;
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    background: linear-gradient(180deg, #0F2942 0%, #091C2D 100%);
    color: white;
    padding-top: 2rem;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    text-align: center;
    padding: 0 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-header h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    letter-spacing: 0.5px;
    margin: 0;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 10px;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    border-radius: 8px;
    font-weight: 400;
    font-size: 0.95rem;
}

.sidebar-menu li a i {
    width: 24px;
    margin-right: 12px;
    font-size: 1.1rem;
    opacity: 0.8;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--accent-color);
    transform: translateX(5px);
}

.sidebar-menu li a.active {
    border-left: none;
    /* Removed old border */
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.15) 0%, transparent 100%);
    color: var(--accent-color);
    font-weight: 500;
}

.sidebar-menu li a.active i {
    opacity: 1;
}

/* --- Main Content --- */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 30px;
    transition: var(--transition);
    min-height: 100vh;
}

/* Navbar (Top) */
.navbar {
    background: transparent !important;
    /* Transparent to blend */
    border-bottom: none !important;
    padding: 0 0 20px 0;
}

/* --- Cards --- */
.card-custom,
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    background: var(--bg-card);
    transition: var(--transition);
    margin-bottom: 20px;
}

.card-custom:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 20px 25px;
}

.card-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.card-body {
    padding: 25px;
}

/* --- Buttons --- */
.btn-primary-custom,
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(15, 41, 66, 0.2);
    transition: var(--transition);
}

.btn-primary-custom:hover,
.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(15, 41, 66, 0.3);
}

.btn-outline-custom {
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

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

/* --- Tables --- */
.table {
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background-color: #F9FAFB;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-bottom: 1px solid #E5E7EB;
    padding: 12px 16px;
}

.table tbody td {
    border-bottom: 1px solid #E5E7EB;
    padding: 16px;
    vertical-align: middle;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.table-hover tbody tr:hover {
    background-color: #F9FAFB;
}

/* --- Login Page --- */
.login-body {
    background: linear-gradient(135deg, #0F2942 0%, #1A3C59 100%);
    min-height: 100vh;
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-width: 420px;
    width: 90%;
}

.form-control {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid #E5E7EB;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

/* --- Badges --- */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 500;
    border-radius: 6px;
}

.badge-available {
    background-color: #DEF7EC;
    color: #03543F;
}

.badge-occupied {
    background-color: #FDE8E8;
    color: #9B1C1C;
}

.badge-maintenance {
    background-color: #FEF3C7;
    color: #92400E;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }

    .sidebar.active {
        margin-left: 0;
    }

    .main-content {
        margin-left: 0;
    }
}

/* Print Overrides */
@media print {

    .sidebar,
    .navbar,
    .btn {
        display: none !important;
    }

    .main-content {
        margin: 0;
        padding: 0;
    }

    #invoicePreviewCard {
        display: block !important;
        visibility: visible;
    }

    body * {
        visibility: hidden;
    }

    #invoicePreviewCard * {
        visibility: visible;
    }

    #invoicePreviewCard {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        box-shadow: none;
    }
}