/**
 * HUD Style Admin Theme for Gladio Restaurant POS
 * Custom Bootstrap 5 Theme with Modern HUD Design
 */

/* ============================================================================
   ROOT VARIABLES - HUD Color Scheme
   ============================================================================ */
:root {
    /* Primary HUD Colors */
    --hud-primary: #4f46e5;
    --hud-secondary: #7c3aed;
    --hud-success: #10b981;
    --hud-danger: #ef4444;
    --hud-warning: #f59e0b;
    --hud-info: #3b82f6;

    /* Dark Theme Colors */
    --hud-dark-bg: #0f172a;
    --hud-dark-surface: #1e293b;
    --hud-dark-card: #334155;
    --hud-dark-border: #475569;
    --hud-dark-text: #e2e8f0;
    --hud-dark-text-muted: #94a3b8;

    /* Light Theme Colors */
    --hud-light-bg: #f8fafc;
    --hud-light-surface: #ffffff;
    --hud-light-card: #ffffff;
    --hud-light-border: #e2e8f0;
    --hud-light-text: #1e293b;
    --hud-light-text-muted: #64748b;

    /* Sidebar */
    --hud-sidebar-width: 280px;
    --hud-sidebar-collapsed-width: 80px;
    --hud-sidebar-bg: #1e293b;
    --hud-sidebar-hover: #334155;

    /* Topbar */
    --hud-topbar-height: 70px;
    --hud-topbar-bg: #ffffff;
    --hud-topbar-border: #e2e8f0;

    /* Cards & Shadows */
    --hud-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --hud-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --hud-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --hud-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --hud-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --hud-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --hud-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --hud-bg: var(--hud-dark-bg);
    --hud-surface: var(--hud-dark-surface);
    --hud-card-bg: var(--hud-dark-card);
    --hud-border: var(--hud-dark-border);
    --hud-text: var(--hud-dark-text);
    --hud-text-muted: var(--hud-dark-text-muted);
    --hud-topbar-bg: var(--hud-dark-surface);
    --hud-topbar-border: var(--hud-dark-border);
}

/* Light Mode Variables (Default) */
[data-theme="light"], :root {
    --hud-bg: var(--hud-light-bg);
    --hud-surface: var(--hud-light-surface);
    --hud-card-bg: var(--hud-light-card);
    --hud-border: var(--hud-light-border);
    --hud-text: var(--hud-light-text);
    --hud-text-muted: var(--hud-light-text-muted);
}

/* ============================================================================
   GLOBAL STYLES
   ============================================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--hud-bg);
    color: var(--hud-text);
    font-size: 14px;
    line-height: 1.6;
    transition: var(--hud-transition);
}

/* ============================================================================
   LAYOUT STRUCTURE
   ============================================================================ */
.hud-wrapper {
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================================================
   SIDEBAR STYLES
   ============================================================================ */
.hud-sidebar {
    width: var(--hud-sidebar-width);
    background: var(--hud-sidebar-bg);
    border-right: 1px solid var(--hud-border);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1000;
    transition: var(--hud-transition);
    display: flex;
    flex-direction: column;
}

.hud-sidebar::-webkit-scrollbar {
    width: 6px;
}

.hud-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.hud-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.hud-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Sidebar collapsed state */
.hud-sidebar.collapsed {
    width: var(--hud-sidebar-collapsed-width);
}

.hud-sidebar.collapsed .hud-sidebar-brand-text,
.hud-sidebar.collapsed .hud-nav-text,
.hud-sidebar.collapsed .hud-nav-badge,
.hud-sidebar.collapsed .hud-nav-arrow {
    opacity: 0;
    visibility: hidden;
}

.hud-sidebar.collapsed .hud-sidebar-brand {
    justify-content: center;
}

.hud-sidebar.collapsed .hud-nav-link {
    justify-content: center;
    padding: 0.75rem 0;
}

/* Sidebar Brand */
.hud-sidebar-brand {
    display: flex;
    align-items: center;
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    gap: 0.75rem;
    transition: var(--hud-transition);
}

.hud-sidebar-brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--hud-primary), var(--hud-secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.hud-sidebar-brand-text {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: var(--hud-transition);
}

.hud-sidebar-brand-text small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--hud-text-muted);
    letter-spacing: 0;
}

/* Sidebar Navigation */
.hud-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.hud-nav-section {
    padding: 1rem 1.25rem 0.5rem;
}

.hud-nav-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--hud-text-muted);
    margin-bottom: 0.5rem;
    transition: var(--hud-transition);
}

.hud-nav-item {
    margin-bottom: 0.25rem;
}

.hud-nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--hud-transition-fast);
    border-radius: 8px;
    margin: 0 0.75rem;
    gap: 0.75rem;
    position: relative;
}

.hud-nav-link:hover {
    background: var(--hud-sidebar-hover);
    color: #ffffff;
}

.hud-nav-link.active {
    background: linear-gradient(135deg, var(--hud-primary), var(--hud-secondary));
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.hud-nav-link.active::before {
    content: '';
    position: absolute;
    left: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: #ffffff;
    border-radius: 0 2px 2px 0;
}

.hud-nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.hud-nav-text {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--hud-transition);
}

.hud-nav-badge {
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 12px;
    background: var(--hud-danger);
    color: #ffffff;
    transition: var(--hud-transition);
}

.hud-nav-arrow {
    font-size: 0.75rem;
    transition: var(--hud-transition);
}

/* Sidebar Footer */
.hud-sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hud-user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: var(--hud-transition-fast);
    text-decoration: none;
}

.hud-user-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hud-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--hud-primary), var(--hud-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
}

.hud-user-info {
    flex: 1;
    min-width: 0;
}

.hud-user-name {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hud-user-role {
    color: var(--hud-text-muted);
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================================================
   MAIN CONTENT AREA
   ============================================================================ */
.hud-main {
    flex: 1;
    margin-left: var(--hud-sidebar-width);
    transition: var(--hud-transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hud-sidebar.collapsed ~ .hud-main {
    margin-left: var(--hud-sidebar-collapsed-width);
}

/* ============================================================================
   TOPBAR STYLES
   ============================================================================ */
.hud-topbar {
    height: var(--hud-topbar-height);
    background: var(--hud-topbar-bg);
    border-bottom: 1px solid var(--hud-topbar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 900;
    backdrop-filter: blur(10px);
    box-shadow: var(--hud-shadow-sm);
}

.hud-topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hud-topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Sidebar Toggle Button */
.hud-sidebar-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hud-text);
    cursor: pointer;
    transition: var(--hud-transition-fast);
}

.hud-sidebar-toggle:hover {
    background: var(--hud-surface);
}

/* Breadcrumb */
.hud-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.hud-breadcrumb-item {
    color: var(--hud-text-muted);
    text-decoration: none;
    transition: var(--hud-transition-fast);
}

.hud-breadcrumb-item:hover {
    color: var(--hud-text);
}

.hud-breadcrumb-item.active {
    color: var(--hud-text);
    font-weight: 600;
}

.hud-breadcrumb-separator {
    color: var(--hud-text-muted);
}

/* Topbar Actions */
.hud-topbar-action {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hud-text);
    cursor: pointer;
    transition: var(--hud-transition-fast);
}

.hud-topbar-action:hover {
    background: var(--hud-surface);
}

.hud-topbar-action-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--hud-danger);
    border-radius: 50%;
    border: 2px solid var(--hud-topbar-bg);
}

/* Theme Toggle */
.hud-theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hud-text);
    cursor: pointer;
    transition: var(--hud-transition-fast);
}

.hud-theme-toggle:hover {
    background: var(--hud-surface);
}

/* ============================================================================
   CONTENT AREA
   ============================================================================ */
.hud-content {
    flex: 1;
    padding: 1.5rem;
}

/* Page Header */
.hud-page-header {
    margin-bottom: 1.5rem;
}

.hud-page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--hud-text);
    margin-bottom: 0.5rem;
}

.hud-page-subtitle {
    font-size: 0.95rem;
    color: var(--hud-text-muted);
}

/* ============================================================================
   CARDS
   ============================================================================ */
.hud-card {
    background: var(--hud-card-bg);
    border: 1px solid var(--hud-border);
    border-radius: 12px;
    box-shadow: var(--hud-shadow);
    overflow: hidden;
    transition: var(--hud-transition-fast);
}

.hud-card:hover {
    box-shadow: var(--hud-shadow-md);
}

.hud-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--hud-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hud-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--hud-text);
    margin: 0;
}

.hud-card-body {
    padding: 1.5rem;
}

.hud-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--hud-border);
    background: var(--hud-surface);
}

/* Stat Card */
.hud-stat-card {
    background: var(--hud-card-bg);
    border: 1px solid var(--hud-border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--hud-shadow);
    transition: var(--hud-transition-fast);
    position: relative;
    overflow: hidden;
}

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

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

.hud-stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.hud-stat-icon.primary {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(124, 58, 237, 0.1));
    color: var(--hud-primary);
}

.hud-stat-icon.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    color: var(--hud-success);
}

.hud-stat-icon.danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.1));
    color: var(--hud-danger);
}

.hud-stat-icon.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
    color: var(--hud-warning);
}

.hud-stat-label {
    font-size: 0.85rem;
    color: var(--hud-text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.hud-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--hud-text);
    margin-bottom: 0.5rem;
}

.hud-stat-change {
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.hud-stat-change.positive {
    color: var(--hud-success);
}

.hud-stat-change.negative {
    color: var(--hud-danger);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.hud-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--hud-transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.hud-btn-primary {
    background: linear-gradient(135deg, var(--hud-primary), var(--hud-secondary));
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.hud-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4);
}

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

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

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
/* Mobile Overlay */
.hud-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1030;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.hud-mobile-overlay.show {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .hud-sidebar {
        position: fixed !important;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
        z-index: 1040;
        width: 280px;
        max-width: 85vw;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
    }

    .hud-sidebar.show {
        transform: translateX(0) !important;
    }

    .hud-sidebar.collapsed {
        transform: translateX(-100%) !important;
    }

    .hud-main {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .hud-topbar {
        padding: 0 1rem;
        left: 0 !important;
        width: 100% !important;
    }

    .hud-content {
        padding: 1rem;
    }

    /* Improve touch targets on mobile */
    .hud-nav-link {
        padding: 1rem 1.5rem;
        min-height: 48px;
        -webkit-tap-highlight-color: transparent;
    }

    .hud-sidebar-toggle {
        padding: 0.75rem;
        min-width: 44px;
        min-height: 44px;
    }

    /* Hide breadcrumbs on mobile */
    .hud-breadcrumb {
        display: none !important;
    }

    /* Make page title smaller on mobile */
    .hud-page-title {
        font-size: 1.5rem;
    }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */
.hud-mt-1 { margin-top: 0.5rem; }
.hud-mt-2 { margin-top: 1rem; }
.hud-mt-3 { margin-top: 1.5rem; }
.hud-mt-4 { margin-top: 2rem; }

.hud-mb-1 { margin-bottom: 0.5rem; }
.hud-mb-2 { margin-bottom: 1rem; }
.hud-mb-3 { margin-bottom: 1.5rem; }
.hud-mb-4 { margin-bottom: 2rem; }

.hud-text-primary { color: var(--hud-primary); }
.hud-text-success { color: var(--hud-success); }
.hud-text-danger { color: var(--hud-danger); }
.hud-text-warning { color: var(--hud-warning); }
.hud-text-muted { color: var(--hud-text-muted); }

.hud-bg-primary { background: var(--hud-primary); }
.hud-bg-success { background: var(--hud-success); }
.hud-bg-danger { background: var(--hud-danger); }
.hud-bg-warning { background: var(--hud-warning); }

/* ============================================================================
   LOGIN PAGE STYLES
   ============================================================================ */

/* Theme Toggle Button (Login Page) */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(180deg);
}

/* Login Container */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--hud-primary) 0%, var(--hud-secondary) 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -250px;
    left: -250px;
}

.login-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    bottom: -200px;
    right: -200px;
}

/* Login Card */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
}

[data-theme="dark"] .login-card {
    background: rgba(30, 41, 59, 0.95);
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--hud-primary), var(--hud-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--hud-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Input Icon Wrapper */
.input-icon {
    position: relative;
}

.input-icon .form-control {
    padding-left: 45px;
    height: 50px;
    border-radius: 10px;
    border: 2px solid var(--hud-light-border);
    transition: all 0.3s ease;
}

.input-icon .form-control:focus {
    border-color: var(--hud-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.15);
}

[data-theme="dark"] .input-icon .form-control {
    background: var(--hud-dark-surface);
    border-color: var(--hud-dark-border);
    color: var(--hud-dark-text);
}

.input-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--hud-text-muted);
    font-size: 1rem;
}

/* Login Button */
.btn-login {
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, var(--hud-primary), var(--hud-secondary));
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
    color: white;
}

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--hud-light-border);
}

[data-theme="dark"] .login-footer {
    border-top-color: var(--hud-dark-border);
}

.login-footer p {
    color: var(--hud-text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* Form Labels */
.login-card .form-label {
    font-weight: 600;
    color: var(--hud-text);
    margin-bottom: 0.5rem;
}

[data-theme="dark"] .login-card .form-label {
    color: var(--hud-dark-text);
}

/* Alert Styling */
.login-card .alert {
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 1.75rem;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}