/* maintenanceForm.css */
/* HVAC Jack 4.0 - Maintenance Form Styles with Mobile Optimization */

/* =============================================================================
   BASE STYLES & VARIABLES
   ============================================================================= */

:root {
    /* Color Palette */
    --hvac-primary: #2c5282;
    --hvac-primary-light: #3182ce;
    --hvac-primary-dark: #2a4f7a;
    --hvac-secondary: #718096;
    --hvac-accent: #e85a4f;
    --hvac-success: #22c55e;
    --hvac-warning: #f59e0b;
    --hvac-error: #ef4444;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-auto-populated: #e6f3ff;
    --bg-overlay: rgba(26, 31, 46, 0.95);
    
    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* Mobile Spacing (Increased for touch) */
    --mobile-space-xs: 6px;
    --mobile-space-sm: 12px;
    --mobile-space-md: 20px;
    --mobile-space-lg: 28px;
    --mobile-space-xl: 36px;
    
    /* Touch Target Sizes */
    --touch-target-min: 44px;
    --touch-target-recommended: 48px;
    --touch-target-comfortable: 56px;
    
    /* Font Sizes */
    --font-xs: 12px;
    --font-sm: 14px;
    --font-base: 16px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-2xl: 24px;
    
    /* Mobile Font Sizes (Larger for readability) */
    --mobile-font-xs: 14px;
    --mobile-font-sm: 16px;
    --mobile-font-base: 18px;
    --mobile-font-lg: 20px;
    --mobile-font-xl: 22px;
    --mobile-font-2xl: 26px;
    
    /* Borders & Radii */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --border-width: 1px;
    --border-color: #e2e8f0;
    --border-focus: var(--hvac-primary-light);
    
    /* Shadows */
    --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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Animation Timing */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* =============================================================================
   MAINTENANCE FORM CONTAINER
   ============================================================================= */

.maintenance-form-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.maintenance-form-container.visible {
    opacity: 1;
    visibility: visible;
}

.maintenance-form-overlay {
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    overflow-y: auto;
}

.maintenance-form-modal {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideIn var(--transition-normal) ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.maintenance-form-header {
    background: var(--hvac-primary);
    color: var(--text-white);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: between;
    border-bottom: 1px solid var(--border-color);
}

.maintenance-form-title {
    flex: 1;
    margin: 0;
    font-size: var(--font-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.form-icon {
    font-size: var(--font-2xl);
}

.maintenance-form-close {
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: var(--font-xl);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast);
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
    justify-content: center;
}

.maintenance-form-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.maintenance-form-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    -webkit-overflow-scrolling: touch; /* iOS smooth scrolling */
}

.maintenance-form-actions {
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* =============================================================================
   TOGGLE BUTTON
   ============================================================================= */

.maintenance-form-toggle-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--hvac-accent) 0%, #ff6b5b 100%);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    font-size: var(--font-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.maintenance-form-toggle-btn.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.maintenance-form-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.maintenance-form-toggle-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: var(--font-lg);
}

.btn-text {
    flex: 1;
}

.btn-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-xs);
    font-weight: 500;
}

/* =============================================================================
   FORM STRUCTURE
   ============================================================================= */

.gas-furnace-form {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--font-sm);
    line-height: 1.5;
    color: var(--text-primary);
}

.form-section {
    background: var(--bg-primary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.section-header {
    background: var(--hvac-primary);
    color: var(--text-white);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast);
}

.section-header:hover {
    background: var(--hvac-primary-light);
}

.section-header.touch-header {
    min-height: var(--touch-target-recommended);
    padding: var(--space-md) var(--space-lg);
}

.section-title {
    margin: 0;
    font-size: var(--font-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-icon {
    font-size: var(--font-lg);
}

.collapse-indicator {
    font-size: var(--font-sm);
    transition: transform var(--transition-normal);
}

.collapsible-section.collapsed .collapse-indicator {
    transform: rotate(-90deg);
}

.section-content {
    padding: var(--space-lg);
    max-height: none;
    overflow: visible;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.collapsible-section.collapsed .section-content {
    max-height: 0;
    padding: 0 var(--space-lg);
    overflow: hidden;
}

/* =============================================================================
   FORM HEADER
   ============================================================================= */

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-bottom: 3px solid var(--hvac-primary);
    margin-bottom: var(--space-lg);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.hvac-jack-logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--hvac-primary), var(--hvac-primary-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xl);
    color: var(--text-white);
}

.company-info h1 {
    color: var(--hvac-primary);
    font-size: var(--font-2xl);
    font-weight: 700;
    margin: 0 0 var(--space-xs) 0;
}

.company-info p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    margin: 0;
}

.form-title-section {
    text-align: right;
}

.form-title-section h2 {
    color: var(--hvac-primary);
    font-size: var(--font-xl);
    font-weight: 600;
    margin: 0 0 var(--space-md) 0;
}

.service-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* =============================================================================
   FORM GRIDS & LAYOUTS
   ============================================================================= */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group.inline-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.form-group.inline-group label {
    margin-bottom: 0;
    white-space: nowrap;
}

.form-group.inline-group input,
.form-group.inline-group select {
    flex: 1;
    min-width: 120px;
}

/* Appliance Selection Section */
.appliance-selection-section {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: 8px;
    margin: var(--space-md) 0;
    border: 2px solid var(--hvac-primary-light);
}

.appliance-selection-section .form-group {
    margin-bottom: var(--space-sm);
}

.appliance-selection-section select {
    font-weight: 600;
    color: var(--hvac-primary);
    border: 2px solid var(--hvac-primary-light);
}

.appliance-selection-section select:focus {
    border-color: var(--hvac-primary);
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

/* Dynamic Form Title Animation */
#dynamic-form-title {
    transition: opacity 0.3s ease;
    color: var(--hvac-primary);
    text-align: center;
    margin-bottom: var(--space-md);
}

/* Dynamic Section Visibility */
.section-hidden {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    margin: 0 !important;
    padding: 0 !important;
}

.form-section:not(.section-hidden) {
    opacity: 1;
    max-height: none;
    transition: opacity 0.4s ease;
}

/* Cooling System Section Styles */
.cooling-system-section {
    border-left: 4px solid #3b82f6;
}

.cooling-system-section .section-icon {
    color: #3b82f6;
}

.subsection-title {
    color: var(--hvac-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-md) 0;
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--hvac-primary-light);
}

/* =============================================================================
   FORM INPUTS
   ============================================================================= */

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--hvac-primary);
    font-size: var(--font-sm);
}

.required {
    color: var(--hvac-error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    font-family: inherit;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.touch-optimized {
    min-height: var(--touch-target-min);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-base);
    border-radius: var(--border-radius-lg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.form-group input.valid {
    border-color: var(--hvac-success);
}

.form-group input.invalid {
    border-color: var(--hvac-error);
}

.auto-filled {
    background: var(--bg-auto-populated) !important;
    border-left: 4px solid var(--hvac-primary-light);
}

.field-hint {
    display: block;
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
    font-style: italic;
}

/* =============================================================================
   AUTO-POPULATED NOTICE
   ============================================================================= */

.auto-populated-notice {
    background: var(--bg-auto-populated);
    border: var(--border-width) solid var(--hvac-primary-light);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-sm);
    color: var(--hvac-primary);
}

.notice-icon {
    font-size: var(--font-base);
    margin-right: var(--space-sm);
}

.confidence-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
}

.confidence-score {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-xs);
    font-weight: 700;
}

.confidence-score.high {
    background: var(--hvac-success);
    color: var(--text-white);
}

.confidence-score.medium {
    background: var(--hvac-warning);
    color: var(--text-white);
}

.confidence-score.low {
    background: var(--hvac-error);
    color: var(--text-white);
}

/* =============================================================================
   CHECKBOXES
   ============================================================================= */

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.checkbox-item {
    display: flex;
    align-items: center;
    padding: var(--space-sm);
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast);
}

.checkbox-item:hover {
    background: var(--bg-secondary);
}

.touch-checkbox {
    padding: var(--space-md);
    min-height: var(--touch-target-min);
}

.touch-checkbox-input {
    width: 20px !important;
    height: 20px !important;
    margin-right: var(--space-md) !important;
    cursor: pointer;
    transform: none !important;
    flex-shrink: 0;
}

.touch-checkbox-label {
    cursor: pointer;
    font-size: var(--font-sm);
    line-height: 1.4;
    margin-bottom: 0 !important;
    color: var(--text-primary) !important;
    font-weight: 500;
}

.safety-item {
    border-left: 4px solid var(--hvac-warning);
}

.safety-item:has(.safety-checkbox:checked) {
    border-left-color: var(--hvac-success);
    background: rgba(34, 197, 94, 0.05);
}

/* =============================================================================
   TABLES & ANALYSIS CARDS
   ============================================================================= */

.analysis-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--space-md);
}

.readings-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.readings-table th,
.readings-table td {
    padding: var(--space-md);
    border-bottom: var(--border-width) solid var(--border-color);
    text-align: left;
    vertical-align: middle;
}

.readings-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--hvac-primary);
    font-size: var(--font-sm);
}

.readings-table td {
    font-size: var(--font-sm);
}

.target-value {
    background: var(--bg-auto-populated);
    font-style: italic;
    color: var(--text-secondary);
    font-weight: 500;
}

.table-input,
.table-select {
    border: none !important;
    background: transparent !important;
    padding: var(--space-xs) !important;
    font-size: var(--font-sm) !important;
    width: 100%;
    min-width: 80px;
}

.table-input:focus,
.table-select:focus {
    background: var(--bg-secondary) !important;
    border-radius: var(--border-radius-sm) !important;
}

/* Mobile Analysis Cards */
.mobile-analysis-cards {
    display: grid;
    gap: var(--space-md);
}

.analysis-card {
    background: var(--bg-primary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card-header {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-bottom: var(--border-width) solid var(--border-color);
}

.parameter-name {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--hvac-primary);
    margin: 0 0 var(--space-xs) 0;
}

.target-value {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    font-style: italic;
}

.card-body {
    padding: var(--space-md);
    display: grid;
    gap: var(--space-md);
}

.reading-input,
.pass-fail-select {
    display: grid;
    gap: var(--space-xs);
}

.reading-field,
.result-field {
    min-height: var(--touch-target-min);
    padding: var(--space-md);
    font-size: var(--font-base);
}

/* =============================================================================
   SIGNATURES
   ============================================================================= */

.signature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    margin-top: var(--space-xl);
}

.signature-box {
    text-align: center;
}

.signature-box h4 {
    color: var(--hvac-primary);
    font-size: var(--font-base);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.signature-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    position: relative;
    margin-bottom: var(--space-md);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.signature-area:hover {
    border-color: var(--hvac-primary-light);
}

.signature-canvas {
    display: block;
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    touch-action: none; /* Prevent scrolling while signing */
}

.signature-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-muted);
    font-size: var(--font-sm);
    pointer-events: none;
}

.btn-clear-signature {
    background: var(--hvac-secondary);
    color: var(--text-white);
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.btn-clear-signature:hover {
    background: #4a5568;
}

.signature-text {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-top: var(--space-md);
    line-height: 1.4;
}

/* =============================================================================
   WARNINGS & NOTIFICATIONS
   ============================================================================= */

.safety-warning {
    background: #fef2f2;
    border: var(--border-width) solid #fca5a5;
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    color: #991b1b;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.warning-icon {
    font-size: var(--font-lg);
    flex-shrink: 0;
}

.service-status {
    background: #f0fff4;
    border: var(--border-width) solid #68d391;
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    color: #22543d;
}

.status-select {
    margin-top: var(--space-sm);
    background: var(--bg-primary);
    border: var(--border-width) solid #68d391;
}

.validation-warnings {
    background: #fef3cd;
    border: var(--border-width) solid #fbbf24;
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    color: #92400e;
}

.validation-warnings h4 {
    margin: 0 0 var(--space-sm) 0;
    color: #92400e;
}

.validation-warnings ul {
    margin: var(--space-sm) 0;
    padding-left: var(--space-lg);
}

.low-confidence {
    font-size: var(--font-xs);
    color: var(--hvac-error);
    font-weight: 600;
}

/* Form Notifications */
.form-notification {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    max-width: 400px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    animation: slideIn var(--transition-normal) ease-out;
}

.form-notification.success {
    border-left: 4px solid var(--hvac-success);
}

.form-notification.error {
    border-left: 4px solid var(--hvac-error);
}

.form-notification.info {
    border-left: 4px solid var(--hvac-primary);
}

.notification-content {
    padding: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.notification-icon {
    flex-shrink: 0;
    font-size: var(--font-base);
}

.notification-message {
    flex: 1;
    font-size: var(--font-sm);
    line-height: 1.4;
}

.notification-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.notification-close:hover {
    background: var(--bg-secondary);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Auto-save indicator */
.auto-save-indicator {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--hvac-primary);
    color: var(--text-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-sm);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 1500;
}

.auto-save-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

/* Restore notice */
.restore-autosave-notice {
    background: #e0f2fe;
    border: var(--border-width) solid #0284c7;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.restore-content {
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.restore-icon {
    font-size: var(--font-xl);
    color: #0284c7;
}

.restore-text {
    flex: 1;
}

.restore-text strong {
    color: #0284c7;
    font-size: var(--font-base);
}

.restore-text p {
    margin: var(--space-xs) 0 0 0;
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.restore-actions {
    display: flex;
    gap: var(--space-sm);
}

.btn-restore,
.btn-dismiss {
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.btn-restore {
    background: #0284c7;
    color: var(--text-white);
}

.btn-restore:hover {
    background: #0369a1;
}

.btn-dismiss {
    background: var(--hvac-secondary);
    color: var(--text-white);
}

.btn-dismiss:hover {
    background: #4a5568;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */

.touch-btn {
    min-height: var(--touch-target-recommended);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-base);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-primary {
    background: var(--hvac-primary);
    color: var(--text-white);
}

.btn-primary:hover {
    background: var(--hvac-primary-light);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--hvac-secondary);
    color: var(--text-white);
}

.btn-secondary:hover {
    background: #4a5568;
}

.mobile-action-bar {
    position: sticky;
    bottom: 0;
    background: var(--bg-primary);
    border-top: var(--border-width) solid var(--border-color);
    padding: var(--space-md);
    display: flex;
    gap: var(--space-sm);
    justify-content: space-around;
    margin: var(--space-lg) calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg));
}

.mobile-action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: var(--touch-target-comfortable);
}

.mobile-action-btn.primary {
    background: var(--hvac-primary);
    color: var(--text-white);
}

.mobile-action-btn.secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: var(--border-width) solid var(--border-color);
}

.mobile-action-btn:active {
    transform: scale(0.95);
}

/* =============================================================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================================================= */

/* Mobile First (Default: < 768px) */
.gas-furnace-form.mobile-layout {
    font-size: var(--mobile-font-sm);
}

.mobile-grid {
    grid-template-columns: 1fr !important;
    gap: var(--mobile-space-md) !important;
}

.mobile-grid-3 {
    grid-template-columns: 1fr !important;
    gap: var(--mobile-space-md) !important;
}

.mobile-checkbox-grid {
    grid-template-columns: 1fr !important;
    gap: var(--mobile-space-sm) !important;
}

.mobile-signature-grid {
    grid-template-columns: 1fr !important;
    gap: var(--mobile-space-lg) !important;
}

.mobile-header {
    flex-direction: column !important;
    text-align: center !important;
    gap: var(--mobile-space-lg) !important;
}

.mobile-header .form-title-section {
    text-align: center !important;
}

.mobile-header .service-info {
    align-items: center !important;
}

/* Hide desktop table on mobile, show cards */
@media (max-width: 767px) {
    .analysis-table-container {
        display: none;
    }
    
    .mobile-analysis-cards {
        display: grid;
    }
    
    .maintenance-form-overlay {
        padding: 0;
        align-items: stretch;
    }
    
    .maintenance-form-modal {
        max-height: 100vh;
        border-radius: 0;
    }
    
    .maintenance-form-content {
        padding: var(--mobile-space-md);
    }
    
    .maintenance-form-actions {
        padding: var(--mobile-space-md);
        flex-direction: column;
    }
    
    .maintenance-form-actions button {
        width: 100%;
        justify-content: center;
    }
    
    /* Larger touch targets on mobile */
    .touch-optimized {
        min-height: var(--touch-target-comfortable);
        font-size: var(--mobile-font-base);
        padding: var(--mobile-space-md) var(--mobile-space-lg);
    }
    
    .touch-checkbox {
        min-height: var(--touch-target-comfortable);
        padding: var(--mobile-space-md);
    }
    
    .touch-checkbox-input {
        width: 24px !important;
        height: 24px !important;
    }
    
    /* Mobile-specific appliance selection */
    .form-group.mobile-stacked {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--mobile-space-sm);
    }
    
    .form-group.mobile-stacked label {
        width: 100%;
        margin-bottom: var(--space-xs);
        font-size: var(--mobile-font-base);
    }
    
    .form-group.mobile-stacked select,
    .form-group.mobile-stacked input {
        width: 100%;
        min-width: unset;
    }
    
    .appliance-selection-section {
        padding: var(--mobile-space-md);
        margin: var(--mobile-space-md) 0;
    }
    
    #dynamic-form-title {
        font-size: 1.4rem;
        line-height: 1.3;
        margin-bottom: var(--mobile-space-md);
    }
    
    .touch-checkbox-label {
        font-size: var(--mobile-font-sm);
    }
    
    /* Mobile spacing adjustments */
    .form-section {
        margin-bottom: var(--mobile-space-lg);
    }
    
    .section-content {
        padding: var(--mobile-space-md);
    }
    
    .section-header {
        padding: var(--mobile-space-md) var(--mobile-space-lg);
    }
    
    .section-title {
        font-size: var(--mobile-font-lg);
    }
    
    /* Mobile notifications */
    .form-notification {
        top: var(--mobile-space-sm);
        right: var(--mobile-space-sm);
        left: var(--mobile-space-sm);
        max-width: none;
    }
    
    .auto-save-indicator {
        bottom: calc(80px + var(--mobile-space-lg)); /* Above action bar */
        right: var(--mobile-space-md);
    }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .analysis-table-container {
        display: block;
    }
    
    .mobile-analysis-cards {
        display: none;
    }
    
    .maintenance-form-modal {
        max-width: 90%;
    }
    
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .signature-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    /* Tablet-specific touch targets */
    .touch-optimized {
        min-height: var(--touch-target-min);
        font-size: var(--font-base);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .analysis-table-container {
        display: block;
    }
    
    .mobile-analysis-cards {
        display: none;
    }
    
    .mobile-action-bar {
        display: none;
    }
    
    .gas-furnace-form.mobile-layout .mobile-grid {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .gas-furnace-form.mobile-layout .mobile-grid-3 {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .gas-furnace-form.mobile-layout .mobile-checkbox-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .gas-furnace-form.mobile-layout .mobile-signature-grid {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .mobile-header {
        flex-direction: row !important;
        text-align: left !important;
    }
    
    .mobile-header .form-title-section {
        text-align: right !important;
    }
}

/* High DPI / Retina Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hvac-jack-logo,
    .section-icon,
    .form-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark Mode Support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles would go here if implemented */
}

/* Print Styles */
@media print {
    .maintenance-form-container {
        position: static !important;
        background: transparent !important;
    }
    
    .maintenance-form-overlay {
        background: transparent !important;
        backdrop-filter: none !important;
    }
    
    .maintenance-form-modal {
        box-shadow: none !important;
        max-height: none !important;
        max-width: none !important;
    }
    
    .maintenance-form-header,
    .maintenance-form-actions,
    .mobile-action-bar,
    .maintenance-form-close,
    .btn-clear-signature,
    .collapse-indicator {
        display: none !important;
    }
    
    .maintenance-form-content {
        padding: 0 !important;
    }
    
    .collapsible-section.collapsed .section-content {
        max-height: none !important;
        padding: var(--space-lg) !important;
        overflow: visible !important;
    }
    
    .section-header {
        background: transparent !important;
        color: var(--text-primary) !important;
        border-bottom: 2px solid var(--hvac-primary) !important;
    }
    
    .signature-canvas {
        border: 1px solid var(--border-color) !important;
    }
}