/* ============================================================================
   HiveHesion FLHA App - Styles
   Mobile-first, clean, professional design
   ============================================================================ */

/* CSS Variables */
:root {
    /* Brand Colors */
    --hive-yellow: #FFD200; /* RGB: 255, 210, 0 */
    --hive-yellow-hover: #BE9A01; /* RGB: 190, 154, 1 */
    --hive-black: #1a1a1a;
    --hive-dark: #2d2d2d;

    /* UI Colors */
    --primary: #FFD200;
    --primary-dark: #BE9A01;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, 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;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--gray-100);
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============================================================================
   Progress Indicator
   ============================================================================ */
.progress-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-3);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 60px; /* Below the header */
    z-index: 99;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--hive-yellow), #FFA500);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    white-space: nowrap;
}

/* ============================================================================
   Header
   ============================================================================ */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    background: #ffffff;
    color: var(--hive-black);
    box-shadow: var(--shadow-md);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    height: 40px;
    width: auto;
}

.company-name {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--hive-black);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.form-status {
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--gray-700);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-status.submitted {
    background: var(--success);
}

.form-status.draft {
    background: var(--warning);
    color: var(--gray-900);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--hive-black);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* ============================================================================
   Main Content
   ============================================================================ */
.main-content {
    flex: 1;
    padding: var(--spacing-4);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Form Title Section */
.form-title-section {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.form-title-section h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--hive-black);
    margin-bottom: var(--spacing-1);
}

.subtitle {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-3);
}

.security-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-2);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2);
    background: var(--gray-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

.badge svg {
    flex-shrink: 0;
}

.badge.verified {
    background: #dcfce7;
    color: #166534;
}

.badge.error {
    background: #fef2f2;
    color: #991b1b;
}

/* ============================================================================
   Form Sections
   ============================================================================ */
.form-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    margin-bottom: var(--spacing-4);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: opacity var(--transition-fast), filter var(--transition-fast);
}

/* Locked/Disabled Sections */
.form-section.locked {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
    filter: grayscale(30%);
}

.form-section.locked::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    z-index: 10;
}

.form-section.locked .section-title::after {
    content: '🔒';
    font-size: var(--font-size-sm);
    margin-left: var(--spacing-2);
}

/* Unlocked animation */
.form-section.unlocking {
    animation: unlockPulse 0.5s ease-out;
}

@keyframes unlockPulse {
    0% { transform: scale(1); box-shadow: var(--shadow-sm); }
    50% { transform: scale(1.01); box-shadow: 0 0 20px rgba(255, 210, 0, 0.4); }
    100% { transform: scale(1); box-shadow: var(--shadow-sm); }
}

/* Completed section indicator */
.form-section.completed .section-title::after {
    content: '✓';
    font-size: var(--font-size-sm);
    color: var(--success);
    margin-left: var(--spacing-2);
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--hive-black);
    margin-bottom: var(--spacing-2);
    padding-bottom: var(--spacing-2);
    border-bottom: 2px solid var(--hive-yellow);
}

.section-desc {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-grid .full-width {
    grid-column: 1 / -1;
}

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Form Groups */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.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(37, 99, 235, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-group input[readonly] {
    background: var(--gray-100);
    cursor: not-allowed;
}

/* ============================================================================
   Task & Hazard Assessment (Combined Section)
   ============================================================================ */

/* Hazard Selection Area (below tasks) */
.hazard-selection {
    margin-top: var(--spacing-5);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--gray-200);
}

.hazard-selection .section-desc {
    margin-bottom: var(--spacing-3);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.subsection-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--hive-black);
    margin-bottom: var(--spacing-2);
    padding-bottom: var(--spacing-2);
    border-bottom: 2px solid var(--hive-yellow);
}

.btn-add {
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--primary);
    color: var(--hive-black);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-add:hover {
    background: var(--primary-dark);
}

.take-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.take-row {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    position: relative;
}

.take-row-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
}

.take-row-num {
    font-weight: 600;
    color: var(--primary);
    font-size: var(--font-size-sm);
}

.btn-remove-task {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--danger);
    color: var(--white);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--font-size-lg);
    line-height: 1;
    transition: background var(--transition-fast);
}

.btn-remove-task:hover {
    background: #dc2626;
}

.take-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2);
}

@media (max-width: 700px) {
    .take-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 500px) {
    .take-grid {
        grid-template-columns: 1fr;
    }
}

.take-field label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--spacing-1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.take-field textarea {
    width: 100%;
    min-height: 60px;
    padding: var(--spacing-2);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-family: inherit;
    resize: vertical;
}

.take-field textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.break-checks {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px dashed var(--gray-300);
}

.break-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.break-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    cursor: pointer;
}

.break-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--success);
}

.break-times {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.break-times.hidden {
    display: none;
}

.break-times input[type="time"] {
    padding: var(--spacing-1) var(--spacing-2);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    width: 100px;
}

.break-times span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* ============================================================================
   Checkbox Grids (Hazards, PPE, Pre-work)
   ============================================================================ */
.hazard-grid,
.ppe-grid,
.prework-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2);
}

@media (max-width: 500px) {
    .hazard-grid,
    .ppe-grid,
    .prework-grid {
        grid-template-columns: 1fr;
    }
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox-item:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.checkbox-item.checked {
    background: #eff6ff;
    border-color: var(--primary);
}

/* Suggested hazard highlight (from task analysis) */
.checkbox-item.suggested:not(.checked) {
    background: #fef9c3;
    border-color: var(--hive-yellow);
    animation: suggestPulse 2s ease-in-out infinite;
}

@keyframes suggestPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 210, 0, 0.4); }
    50% { box-shadow: 0 0 8px 2px rgba(255, 210, 0, 0.4); }
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.checkbox-item .item-content {
    display: flex;
    flex-direction: column;
}

.checkbox-item .item-num {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.checkbox-item .item-name {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

/* PPE items with icons */
.checkbox-item.ppe-item .item-content {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-2);
}

.ppe-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    opacity: 0.7;
}

.checkbox-item.ppe-item.checked .ppe-icon {
    opacity: 1;
}

.other-hazard,
.other-ppe {
    margin-top: var(--spacing-3);
}

.hidden {
    display: none !important;
}

/* ============================================================================
   Hierarchy of Controls
   ============================================================================ */
.controls-section {
    background: var(--white);
}

.controls-pyramid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.control-level {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.control-level:hover {
    transform: translateX(4px);
}

.level-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

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

.level-content strong {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-content span {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

/* Dark green (1) to red (5) - most effective controls first */
.level-1 { background: #d1fae5; }
.level-1 .level-num { background: #166534; color: white; }

.level-2 { background: #dcfce7; }
.level-2 .level-num { background: #22c55e; color: white; }

.level-3 { background: #fef9c3; }
.level-3 .level-num { background: #eab308; color: white; }

.level-4 { background: #fed7aa; }
.level-4 .level-num { background: #f97316; color: white; }

.level-5 { background: #fecaca; }
.level-5 .level-num { background: #dc2626; color: white; }

/* ============================================================================
   TAKE 5 Reminder Section
   ============================================================================ */
.take5-reminder-section {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
    border-color: var(--hive-yellow);
    border-width: 2px;
}

.take5-reminder-section .section-title {
    color: var(--hive-black);
    font-size: var(--font-size-lg);
    text-align: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.take5-checklist {
    list-style: none;
    counter-reset: take5-counter;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.take5-checklist li {
    counter-increment: take5-counter;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.4;
}

.take5-checklist li::before {
    content: counter(take5-counter);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    background: var(--hive-yellow);
    color: var(--hive-black);
    font-weight: 600;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* ============================================================================
   Emergency Contacts
   ============================================================================ */
.emergency-section {
    background: linear-gradient(135deg, #fef2f2 0%, #fff1f2 100%);
    border-color: #fca5a5;
}

.emergency-cards-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

@media (max-width: 500px) {
    .emergency-cards-row {
        grid-template-columns: 1fr;
    }
}

.emergency-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    text-align: center;
}

.emergency-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2);
}

.emergency-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-800);
    text-decoration: none;
}

.emergency-number:hover {
    text-decoration: underline;
}

.emergency-card.selectable {
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid var(--gray-200);
}

.emergency-card.selectable:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.emergency-card.selectable.selected {
    border-color: var(--success);
    background: #ecfdf5;
}

.emergency-select {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.emergency-select input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.emergency-card.editable {
    text-align: left;
}

.emergency-card.editable .emergency-select {
    align-items: flex-start;
    margin-bottom: var(--spacing-2);
}

.emergency-card.editable input[type="text"],
.emergency-card.editable input[type="tel"] {
    width: 100%;
    padding: var(--spacing-2);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-1);
}

/* Emergency buttons row */
.emergency-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    justify-content: center;
}

.emergency-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.emergency-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.emergency-btn.emergency-911 {
    background: #dc2626;
    border-color: #dc2626;
    color: white;
    font-weight: 700;
}

.emergency-btn.emergency-911:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

/* ============================================================================
   Photo Capture Section
   ============================================================================ */
.photo-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-color: #7dd3fc;
}

.photo-capture-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.photo-preview {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4/3;
    background: var(--white);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    color: var(--gray-400);
    overflow: hidden;
}

.photo-preview.has-photo {
    border-style: solid;
    border-color: var(--success);
}

.photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview svg {
    opacity: 0.5;
}

.photo-preview span {
    font-size: var(--font-size-sm);
}

.photo-buttons {
    display: flex;
    gap: var(--spacing-3);
}

.btn-photo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    background: var(--primary);
    color: var(--hive-black);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-small {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
}

.photo-note {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    text-align: center;
    margin-top: var(--spacing-2);
}

/* ============================================================================
   Signature Section
   ============================================================================ */
.signature-section .declaration-box {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.declaration-box p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

.safety-reason-group {
    margin-bottom: var(--spacing-4);
}

.safety-reason-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--hive-black);
    margin-bottom: var(--spacing-2);
}

.safety-reason-group input {
    width: 100%;
    padding: var(--spacing-3);
    border: 2px solid var(--hive-yellow);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: #fffef7;
}

.safety-reason-group input:focus {
    outline: none;
    border-color: var(--hive-black);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
}

.signature-area {
    margin-bottom: var(--spacing-4);
}

.signature-area > label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.signature-pad-container {
    position: relative;
    background: var(--white);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.signature-pad {
    width: 100%;
    height: 150px;
    cursor: crosshair;
    touch-action: none;
}

.btn-clear-sig {
    position: absolute;
    top: var(--spacing-2);
    right: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-2);
    background: var(--gray-200);
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-clear-sig:hover {
    background: var(--gray-300);
}

/* ============================================================================
   Submit Section
   ============================================================================ */
.submit-section {
    background: var(--hive-black);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    text-align: center;
}

.submit-info {
    margin-bottom: var(--spacing-4);
}

.submit-info p:first-child {
    color: var(--hive-yellow);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-1);
}

.submit-info p:last-child {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.submit-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-3);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--hive-yellow);
    color: var(--hive-black);
}

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

.btn-secondary {
    background: var(--gray-600);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--gray-500);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    background: var(--gray-100);
}

/* ============================================================================
   Footer
   ============================================================================ */
.app-footer {
    padding: var(--spacing-4);
    text-align: center;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--gray-200);
}

/* ============================================================================
   Side Menu
   ============================================================================ */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.side-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: var(--white);
    z-index: 300;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.side-menu.active {
    right: 0;
}

.side-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
}

.side-menu-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.btn-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-close:hover {
    background: var(--gray-200);
}

.side-menu-nav {
    flex: 1;
    padding: var(--spacing-4);
}

.side-menu-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.side-menu-nav a:hover {
    background: var(--gray-100);
}

.side-menu-nav a.debug-link {
    color: #7c3aed;
    background: #f5f3ff;
    border: 1px dashed #7c3aed;
    margin-top: var(--spacing-2);
}

.side-menu-nav a.debug-link:hover {
    background: #ede9fe;
}

.side-menu-footer {
    padding: var(--spacing-4);
    border-top: 1px solid var(--gray-200);
}

.side-menu-footer .btn {
    width: 100%;
}

/* ============================================================================
   Toast Notifications
   ============================================================================ */
.toast-container {
    position: fixed;
    bottom: var(--spacing-4);
    right: var(--spacing-4);
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

/* ============================================================================
   Loading States
   ============================================================================ */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================================================
   Responsive Adjustments
   ============================================================================ */
@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-3);
    }

    .form-section {
        padding: var(--spacing-4);
    }

    .form-title-section h1 {
        font-size: var(--font-size-xl);
    }

    .submit-buttons {
        flex-direction: column;
    }

    .submit-buttons .btn {
        width: 100%;
    }
}

/* ============================================================================
   WHMIS Reference Cheat Sheet
   ============================================================================ */
.whmis-section {
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    border-color: #facc15;
}

.whmis-section .section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.whmis-section .section-title svg {
    flex-shrink: 0;
    color: #ca8a04;
}

.whmis-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

@media (max-width: 900px) {
    .whmis-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 700px) {
    .whmis-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 500px) {
    .whmis-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.whmis-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-2);
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.whmis-symbol {
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.whmis-symbol svg,
.whmis-symbol img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.whmis-name {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-800);
    line-height: 1.2;
    margin-bottom: var(--spacing-1);
}

.whmis-desc {
    font-size: 10px;
    color: var(--gray-500);
    line-height: 1.2;
}

.whmis-footer {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    border: 1px solid var(--gray-200);
}

.whmis-footer p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-1);
}

.whmis-footer p:last-child {
    margin-bottom: 0;
}

.whmis-footer strong {
    color: var(--gray-800);
}

/* ============================================================================
   Submission Success Modal
   ============================================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 420px;
    width: 100%;
    padding: var(--spacing-6);
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalSlideIn 0.3s ease;
}

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

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

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-4);
}

.modal-success-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-4);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPulse 0.6s ease;
}

.modal-success-icon svg {
    color: var(--white);
    width: 40px;
    height: 40px;
}

@keyframes successPulse {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-2);
}

.modal-form-number {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    font-weight: 500;
}

.modal-body {
    text-align: center;
    margin-bottom: var(--spacing-5);
}

.modal-body p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    margin-bottom: var(--spacing-2);
}

.modal-body .modal-subtitle {
    font-weight: 600;
    color: var(--gray-700);
    margin-top: var(--spacing-4);
}

/* Verification Receipt Styles */
.receipt-info {
    background: linear-gradient(135deg, #0a1a0a 0%, #1a2f1a 100%);
    border: 1px solid #2d5a2d;
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    margin: var(--spacing-4) 0;
    text-align: left;
}

.receipt-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: #4ade80;
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-3);
}

.receipt-badge svg {
    stroke: #4ade80;
}

.receipt-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.receipt-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
}

.receipt-label {
    color: #9ca3af;
}

.receipt-value {
    color: #e5e7eb;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

.receipt-hash {
    color: #60a5fa;
    font-size: 11px;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.modal-btn {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-5);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    transition: all var(--transition-fast);
}

.modal-btn.btn-primary {
    background: linear-gradient(135deg, var(--hive-yellow) 0%, var(--hive-yellow-hover) 100%);
    color: var(--hive-black);
    border: none;
}

.modal-btn.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 210, 0, 0.4);
}

.modal-btn.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.modal-btn.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.modal-close {
    position: absolute;
    top: var(--spacing-3);
    right: var(--spacing-3);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

@media (max-width: 480px) {
    .modal {
        padding: var(--spacing-5);
        margin: var(--spacing-2);
    }

    .modal-success-icon {
        width: 60px;
        height: 60px;
    }

    .modal-success-icon svg {
        width: 32px;
        height: 32px;
    }
}

/* Print Styles */
@media print {
    .app-header,
    .app-footer,
    .side-menu,
    .overlay,
    .toast-container,
    .btn-add,
    .btn-remove-task,
    .btn-clear-sig,
    .submit-section,
    .modal-overlay {
        display: none !important;
    }

    .main-content {
        max-width: 100%;
        padding: 0;
    }

    .form-section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
}