/* ============================================
   Domiciles - Main Stylesheet
   Sophisticated household management platform
   ============================================ */

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================================
   CSS CUSTOM PROPERTIES (ENHANCED)
   ============================================ */
:root {
    /* Colors - Sophisticated slate/teal palette */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Navigation - Deep slate with teal accent */
    --nav-bg: #0f172a;
    --nav-bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --nav-hover: rgba(255,255,255,0.08);
    --nav-active: rgba(20, 184, 166, 0.3);
    
    /* Accent Colors - Teal primary */
    --primary: #14b8a6;
    --primary-dark: #0d9488;
    --primary-light: #2dd4bf;
    --primary-gradient: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #f87171;
    --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fbbf24;
    
    --info: #0ea5e9;
    --info-dark: #0284c7;
    --info-light: #38bdf8;
    
    /* Machine Type Colors */
    --washer-accent: #0ea5e9;
    --dryer-accent: #f97316;
    
    /* Shadows (Enhanced) */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-hover: 0 6px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 32px rgba(0,0,0,0.25);
    
    /* Spacing (Enhanced) */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-slower: 0.5s ease;
    
    /* Typography - Plus Jakarta Sans for sophisticated look */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

/* Dark Mode Variables - Sophisticated dark slate */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #1a2234;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --border-color: #334155;
    --border-light: #1e293b;
    
    --nav-bg: #020617;
    --nav-bg-gradient: linear-gradient(135deg, #020617 0%, #0f172a 100%);
    --nav-hover: rgba(255,255,255,0.08);
    --nav-active: rgba(20, 184, 166, 0.4);
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow: 0 2px 8px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.6);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.7);
    --shadow-hover: 0 6px 16px rgba(0,0,0,0.7);
    --shadow-xl: 0 12px 32px rgba(0,0,0,0.8);
}

/* ============================================
   TYPOGRAPHY (ENHANCED)
   ============================================ */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-slow), color var(--transition-slow);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Safe area support for notched devices (iPhone X+) */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* ============================================
   NAVIGATION (ENHANCED)
   ============================================ */
nav {
    background: var(--nav-bg-gradient);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    transition: background var(--transition-slow), box-shadow var(--transition-base);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    /* Safe area support for notched devices */
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top, 0px));
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav h1 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
    letter-spacing: -0.02em;
}

nav h1 a {
    color: white;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

nav h1 a:hover {
    opacity: 0.9;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

nav a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    position: relative;
    min-height: 44px; /* Touch target size */
}

nav a i {
    font-size: 0.9em;
}

nav a:hover {
    background-color: var(--nav-hover);
    transform: translateY(-1px);
}

nav a.active {
    background-color: var(--nav-active);
    font-weight: var(--font-weight-semibold);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--primary-light);
    border-radius: var(--radius-full);
}

/* Brand logo styling */
nav h1 a i {
    color: var(--primary-light);
    margin-right: 0.25rem;
}

nav .user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Admin Dropdown Menu */
.admin-menu-item {
    position: relative;
}

.admin-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background: var(--nav-bg);
    list-style: none;
    padding: var(--spacing-sm) 0;
    margin: 0;
    min-width: 220px;
    border-radius: var(--radius-md);
    display: none;
    z-index: 10000;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-dropdown li {
    margin: 0;
}

.admin-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    width: 100%;
    border-radius: 0;
}

.admin-dropdown a:hover {
    background-color: var(--nav-hover);
}

/* ============================================
   BUTTONS (ENHANCED)
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    min-height: 44px; /* Better touch target */
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* Desktop hover effects - only on devices that support hover */
@media (hover: hover) and (pointer: fine) {
    .btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--primary-gradient);
}

.btn-success {
    background: var(--success-gradient);
}

.btn-danger {
    background: var(--danger-gradient);
}

/* Button variant hovers - desktop only */
@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover {
        background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    }

    .btn-success:hover {
        background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
    }

    .btn-danger:hover {
        background: linear-gradient(135deg, var(--danger-light) 0%, var(--danger) 100%);
    }
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    min-height: 44px; /* Keep 44px for touch accessibility */
}

.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Secondary button style */
.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

/* ============================================
   CARDS (ENHANCED)
   ============================================ */
.machines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.machine-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.machine-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Desktop hover effects - only on devices that support hover */
@media (hover: hover) and (pointer: fine) {
    .machine-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--primary);
    }

    .machine-card:hover::before {
        transform: scaleX(1);
    }
}

.machine-card.washer::before {
    background: linear-gradient(90deg, var(--washer-accent) 0%, var(--primary-light) 100%);
}

.machine-card.dryer::before {
    background: linear-gradient(90deg, var(--dryer-accent) 0%, var(--warning-light) 100%);
}

.machine-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.machine-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
}

.machine-type {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-xs);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.status-available {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

[data-theme="dark"] .status-available {
    background: linear-gradient(135deg, #1e4620 0%, #2d5a2f 100%);
    color: #90ee90;
}

.status-in-use {
    background: linear-gradient(135deg, #fff3cd 0%, #ffe69c 100%);
    color: #856404;
}

[data-theme="dark"] .status-in-use {
    background: linear-gradient(135deg, #5a4a1a 0%, #6b5a2a 100%);
    color: #ffd700;
}

.status-reserved {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

[data-theme="dark"] .status-reserved {
    background: linear-gradient(135deg, #1a3a40 0%, #2a4a50 100%);
    color: #5dade2;
}

.status-out-of-order {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

[data-theme="dark"] .status-out-of-order {
    background: linear-gradient(135deg, #4a1a1a 0%, #5a2a2a 100%);
    color: #ff6b6b;
}

.machine-info {
    margin: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.machine-info strong {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.countdown {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--danger);
    margin: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.machine-actions {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Admin Stat Cards */
.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

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

.stat-card h3 {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-weight-medium);
}

.stat-card .stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
}

.stat-card .stat-icon {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 2.5rem;
    opacity: 0.1;
    color: var(--primary);
}

/* ============================================
   FORMS (ENHANCED)
   ============================================ */
.form-container {
    max-width: 500px;
    margin: var(--spacing-xl) auto;
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: background-color var(--transition-slow);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-base);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox and Radio Styling */
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--primary);
}

.form-group label:has(input[type="checkbox"]),
.form-group label:has(input[type="radio"]) {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 0;
}

/* Select Styling */
.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
    appearance: none;
}

[data-theme="dark"] .form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e0e0e0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.error-message {
    color: var(--danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ============================================
   FLASH MESSAGES (ENHANCED)
   ============================================ */
.flash {
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.flash::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    animation: progressBar 5s linear forwards;
}

@keyframes progressBar {
    from { width: 100%; }
    to { width: 0%; }
}

.flash i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.flash-close {
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: var(--spacing-xs);
    margin-left: auto;
    opacity: 0.7;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
}

.flash-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .flash-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
    }
}

.flash.success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-color: var(--success);
    color: #155724;
}

[data-theme="dark"] .flash.success {
    background: linear-gradient(135deg, #1e4620 0%, #2d5a2f 100%);
    color: #90ee90;
}

.flash.error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-color: var(--danger);
    color: #721c24;
}

[data-theme="dark"] .flash.error {
    background: linear-gradient(135deg, #4a1a1a 0%, #5a2a2a 100%);
    color: #ff6b6b;
}

.flash.info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    border-color: var(--info);
    color: #0c5460;
}

[data-theme="dark"] .flash.info {
    background: linear-gradient(135deg, #1a3a40 0%, #2a4a50 100%);
    color: #5dade2;
}

/* ============================================
   CALENDAR (ENHANCED)
   ============================================ */
.calendar-container {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.calendar-slot,
.calendar-day,
.dashboard-calendar-slot {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 16px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    border: none !important;
    min-width: 44px; /* Touch target size */
    min-height: 44px;
}

/* Desktop hover effects - only on devices that support hover */
@media (hover: hover) and (pointer: fine) {
    .calendar-slot:hover:not([style*="cursor: not-allowed"]),
    .calendar-day:hover:not([style*="cursor: not-allowed"]),
    .dashboard-calendar-slot:hover {
        transform: scale(1.02);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        z-index: 10;
        position: relative;
    }

    .calendar-slot[style*="cursor: pointer"]:hover,
    .calendar-day[style*="cursor: pointer"]:hover,
    .dashboard-calendar-slot[style*="cursor: pointer"]:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
}

/* Touch tooltips - mobile only */
@media (hover: none) and (pointer: coarse) {
    .calendar-slot[data-tooltip],
    .dashboard-calendar-slot[data-tooltip] {
        position: relative;
    }

    .calendar-slot.tooltip-active::after,
    .dashboard-calendar-slot.tooltip-active::after {
        content: attr(data-tooltip);
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 0.5rem;
        font-size: var(--font-size-sm);
        white-space: nowrap;
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        margin-bottom: 0.25rem;
        max-width: 200px;
        white-space: normal;
        text-align: center;
    }

    /* Arrow pointing down */
    .calendar-slot.tooltip-active::before,
    .dashboard-calendar-slot.tooltip-active::before {
        content: '';
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        border: 6px solid transparent;
        border-top-color: var(--border-color);
        z-index: 1001;
    }
}

/* Tap feedback - show user they tapped */
@media (hover: none) and (pointer: coarse) {
    .calendar-slot:active,
    .dashboard-calendar-slot:active {
        background: var(--primary-light) !important;
        transform: scale(0.98);
        transition: transform 0.1s;
    }

    .btn:active,
    button:active {
        transform: scale(0.95);
        transition: transform 0.1s;
    }

    .machine-card:active {
        transform: scale(0.98);
        transition: transform 0.1s;
    }
}

/* Calendar table enhancements */
#calendarView table,
#dashboardCalendarView table {
    border-collapse: separate;
    border-spacing: 2px;
}

/* Hour label styling for better visual hierarchy - only apply if not overridden by inline styles */
#calendarView tbody td:first-child:not([style*="background"]),
#dashboardCalendarView tbody td:first-child:not([style*="background"]) {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

/* Time period separators - add spacing between major time blocks */
.calendar-hour-group {
    position: relative;
    border-bottom: 2px solid transparent;
}

.calendar-hour-group::after {
    content: '';
    position: absolute;
    left: -2px;
    right: -2px;
    bottom: -2px;
    height: 3px;
    background: linear-gradient(to right, transparent, rgba(0,0,0,0.08) 20%, rgba(0,0,0,0.08) 80%, transparent);
    pointer-events: none;
}

#calendarView th,
#dashboardCalendarView th {
    background: var(--bg-tertiary) !important;
    font-weight: var(--font-weight-semibold);
    border: none !important;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

#calendarView td,
#dashboardCalendarView td {
    border: none !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   SECTIONS & LAYOUT
   ============================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header h1,
.section-header h2 {
    margin: 0;
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
}

.upcoming-reservations {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    margin-top: var(--spacing-xl);
    transition: background-color var(--transition-slow);
    border: 1px solid var(--border-light);
}

.reservation-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-base);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.reservation-item:hover {
    background-color: var(--bg-tertiary);
}

.reservation-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.reservation-info {
    flex: 1;
}

.reservation-machine {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.reservation-time {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   EMPTY STATES (ENHANCED)
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
    display: block;
}

.empty-state h2,
.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   DARK MODE TOGGLE
   ============================================ */
.dark-mode-toggle {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.dark-mode-toggle:hover {
    background-color: var(--nav-hover);
    border-color: rgba(255,255,255,0.5);
    transform: scale(1.05);
}

.dark-mode-toggle:active {
    transform: scale(0.95);
}

[data-theme="dark"] .dark-mode-toggle {
    border-color: rgba(255,255,255,0.5);
}

/* ============================================
   MODAL (ENHANCED)
   ============================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease-out;
    border: 1px solid var(--border-light);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN (ENHANCED)
   ============================================ */
/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Large phones (640px and below) */
@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .machine-grid,
    .machines-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-pills {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-group {
        flex-direction: column;
    }

    .form-group .btn {
        width: 100%;
    }
}

/* Tablets and below (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    nav .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    nav ul {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }

    nav a {
        display: flex;
        text-align: left;
        width: 100%;
        justify-content: flex-start;
        min-height: 44px;
    }

    .form-container {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }

    .machines-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .machine-actions {
        flex-direction: column;
    }

    .machine-actions .btn {
        width: 100%;
    }

    .calendar-container {
        padding: var(--spacing-md) !important;
    }

    #calendarView,
    #dashboardCalendarView {
        font-size: var(--font-size-sm);
    }

    .calendar-slot {
        min-width: 40px !important;
        padding: 0.15rem !important;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stat-card {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    .btn {
        width: 100%;
    }
    
    .machine-card {
        padding: var(--spacing-md);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-secondary {
    color: var(--text-secondary);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ============================================
   QUICK STATS WIDGET
   ============================================ */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.stat-pill {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-pill::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    transition: width var(--transition-base);
}

.stat-pill.stat-washers::before {
    background: linear-gradient(180deg, var(--washer-accent), var(--primary-light));
}

.stat-pill.stat-dryers::before {
    background: linear-gradient(180deg, var(--dryer-accent), var(--warning-light));
}

.stat-pill.stat-reservations::before {
    background: linear-gradient(180deg, var(--info), var(--info-light));
}

.stat-pill.stat-next::before {
    background: linear-gradient(180deg, var(--warning), var(--warning-light));
}

.stat-pill:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-pill:hover::before {
    width: 100%;
    opacity: 0.08;
}

.stat-pill i {
    font-size: 2rem;
    opacity: 0.8;
}

.stat-washers i {
    color: var(--washer-accent);
}

.stat-dryers i {
    color: var(--dryer-accent);
}

.stat-reservations i {
    color: var(--info);
}

.stat-next i {
    color: var(--warning);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .quick-stats {
        grid-template-columns: 1fr;
    }

    .stat-pill {
        padding: var(--spacing-md);
    }

    .stat-pill i {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: var(--font-size-xl);
    }
}

/* ============================================
   PROGRESS BARS FOR CYCLES
   ============================================ */
.cycle-progress {
    margin: var(--spacing-md) 0;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid var(--border-light);
}

[data-theme="dark"] .progress-bar-container {
    background: var(--bg-primary);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}

.progress-bar {
    width: 100%;
    height: 100%;
    position: relative;
    display: block;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-full);
    transition: width 0.3s ease-out, background var(--transition-base);
    position: relative;
    overflow: hidden;
    min-width: 0%;
    display: block;
}

/* Animated shimmer effect */
.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    to {
        left: 100%;
    }
}

/* Color changes as progress approaches completion */
.progress-fill.almost-done {
    background: linear-gradient(90deg, var(--success), var(--success-light));
}

.progress-fill.overtime {
    background: linear-gradient(90deg, var(--danger), var(--danger-light));
}

/* Enhanced countdown styling to work with progress bar */
.cycle-progress .countdown {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.cycle-progress .countdown i {
    font-size: 0.9em;
    opacity: 0.7;
}

/* ============================================
   AUTO-REFRESH CONTROLS
   ============================================ */
.auto-refresh-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.last-updated {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.status-indicator {
    font-size: 0.5rem;
    color: var(--success);
    animation: pulse-dot 2s ease-in-out infinite;
}

.status-indicator.stale {
    color: var(--warning);
    animation: none;
}

.status-indicator.error {
    color: var(--danger);
    animation: none;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(0.8);
    }
}

.refresh-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.toggle-switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    transition: background var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--success);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
}

#refreshBtn.spinning i {
    animation: spin 0.6s linear;
}

/* ============================================
   FLOATING ACTION BUTTON (FAB)
   ============================================ */
.fab {
    position: fixed;
    bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
    right: calc(2rem + env(safe-area-inset-right, 0px));
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
    z-index: 999;
}

/* Desktop hover effects - only on devices that support hover */
@media (hover: hover) and (pointer: fine) {
    .fab:hover {
        transform: scale(1.1) rotate(90deg);
        box-shadow: var(--shadow-xl);
    }
}

.fab:active {
    transform: scale(1.05) rotate(90deg);
}

.fab.active {
    transform: rotate(45deg);
    background: var(--danger-gradient);
}

.fab-modal {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    display: none;
    z-index: 998;
    animation: slideUpFade 0.3s ease-out;
    border: 1px solid var(--border-light);
    min-width: 280px;
}

.fab-modal.active {
    display: block;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fab-modal-content h3 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: var(--font-size-lg);
}

.quick-reserve-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-option {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

.quick-option:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    transform: translateX(4px);
}

.quick-option i {
    font-size: var(--font-size-xl);
}

/* Mobile adjustments for FAB */
@media (max-width: 768px) {
    .fab {
        bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
        right: calc(1.5rem + env(safe-area-inset-right, 0px));
        width: 56px;
        height: 56px;
    }

    .fab-modal {
        bottom: 5rem;
        right: 1.5rem;
        left: 1.5rem;
        min-width: auto;
    }

    .quick-reserve-options {
        flex-direction: column;
    }
}

/* ============================================
   MOBILE CALENDAR VIEW
   ============================================ */
.calendar-mobile-view {
    display: none;
}

.calendar-desktop-view {
    display: block;
}

@media (max-width: 768px) {
    .calendar-mobile-view {
        display: block;
    }

    .calendar-desktop-view {
        display: none;
    }
}

.date-swiper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.current-date {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-align: center;
    flex: 1;
}

.swiper-nav {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: var(--font-size-xl);
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-nav:hover {
    background: var(--bg-tertiary);
}

.swiper-nav:active {
    background: var(--primary);
    color: white;
    transform: scale(0.95);
}

.time-slots-mobile {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.time-slot-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
    border-left: 4px solid;
    transition: all var(--transition-base);
    min-height: 60px;
    cursor: pointer;
}

.time-slot-card.available {
    border-color: var(--success);
    background: linear-gradient(90deg, var(--bg-secondary) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.time-slot-card.busy {
    border-color: var(--danger);
    background: linear-gradient(90deg, var(--bg-secondary) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.time-slot-card.partial {
    border-color: var(--warning);
    background: linear-gradient(90deg, var(--bg-secondary) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.time-slot-card.past {
    opacity: 0.5;
    cursor: not-allowed;
}

.time-slot-card:not(.past):active {
    transform: scale(0.98);
}

.time-slot-time {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    min-width: 80px;
}

.time-slot-status {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.time-slot-availability {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.time-slot-machines {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

.time-slot-action {
    color: var(--primary);
    font-size: var(--font-size-xl);
}