/**
 * ADAA Scanner Base Component Library
 * 
 * Component Styles:
 * - Reset & Base
 * - Typography
 * - Buttons
 * - Cards
 * - Inputs & Forms
 * - Badges & Tags
 * - Navigation
 * - Tables
 * - Modals & Dialogs
 * - Utility Classes
 */

/* ==================== RESET & BASE ==================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-neutral-800);
    background-color: var(--color-neutral-0);
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    color: var(--color-neutral-800);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-neutral-600);
}

a {
    color: var(--color-primary-default);
    text-decoration: none;
    transition: color var(--transition-hover);
}

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-hover);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
    background-color: var(--color-primary-default);
    color: white;
    border-color: var(--color-primary-default);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-primary:active:not(:disabled) {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(0);
}

/* Button focus-visible - 2px offset ring with 3px gap */
.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-bg-primary), 0 0 0 4px var(--color-primary-default);
}

/* Button hover behavior - translateY + shadow increase */
.btn:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Secondary/Outline Button */
.btn-outline {
    background-color: transparent;
    color: var(--color-primary-default);
    border-color: var(--color-primary-default);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-primary-subtle);
    border-color: var(--color-primary-hover);
}

/* Accent Button */
.btn-accent {
    background-color: var(--color-accent-default);
    color: white;
    border-color: var(--color-accent-default);
}

.btn-accent:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

/* Success Button */
.btn-success {
    background-color: var(--color-success-default);
    color: white;
    border-color: var(--color-success-default);
}

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-hover);
    border-color: var(--color-success-hover);
}

/* Danger/Error Button */
.btn-danger {
    background-color: var(--color-error-default);
    color: white;
    border-color: var(--color-error-default);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-error-hover);
    border-color: var(--color-error-hover);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-neutral-600);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-800);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* ==================== CARDS ==================== */

.card {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 12px; /* Intentionally NOT in 4-8px "safe boredom zone" */
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

/* Card variants */
.card-elevated {
    box-shadow: var(--shadow-sm);
}

.card-interactive {
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

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

.card-highlighted {
    box-shadow: var(--shadow-sm);
    border-color: var(--color-primary-default);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    color: var(--color-neutral-800);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
}

/* ==================== INPUTS & FORMS ==================== */

.input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-neutral-800);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-hover), box-shadow var(--transition-hover);
}

.input::placeholder {
    color: var(--color-neutral-400);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary-default);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.input:disabled {
    background-color: var(--color-bg-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.input-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.input-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.input-error {
    border-color: var(--color-error-default);
}

.input-error:focus {
    border-color: var(--color-error-default);
    box-shadow: 0 0 0 3px var(--color-error-subtle);
}

.textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-700);
}

.form-label--required::after {
    content: " *";
    color: var(--color-error-default);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-neutral-500);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-error-default);
}

/* ==================== BADGES & TAGS ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-dark);
}

.badge-success {
    background-color: var(--color-success-subtle);
    color: var(--color-success-hover);
}

.badge-warning {
    background-color: var(--color-warning-subtle);
    color: var(--color-warning-hover);
}

.badge-error {
    background-color: var(--color-error-subtle);
    color: var(--color-error-hover);
}

.badge-neutral {
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-600);
}

/* Severity Badges */
.badge-critical {
    background-color: var(--color-error-subtle);
    color: var(--color-error-default);
    border: 1px solid var(--color-error-default);
}

.badge-serious {
    background-color: var(--color-accent-subtle);
    color: var(--color-accent-default);
    border: 1px solid var(--color-accent-default);
}

.badge-moderate {
    background-color: var(--color-warning-subtle);
    color: var(--color-warning-default);
    border: 1px solid var(--color-warning-default);
}

.badge-minor {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-default);
    border: 1px solid var(--color-primary-default);
}

/* ==================== NAVIGATION ==================== */

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-brand {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-default);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: auto;
}

.nav-link {
    color: var(--color-neutral-600);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color var(--transition-hover);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary-default);
}

.nav-link.active {
    border-bottom: 2px solid var(--color-primary-default);
}

/* ==================== TABLES ==================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg-primary);
}

.table th,
.table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-neutral-500);
    background-color: var(--color-bg-secondary);
}

.table tr:hover {
    background-color: var(--color-bg-secondary);
}

.table tr:last-child td {
    border-bottom: none;
}

/* ==================== MODALS & DIALOGS ==================== */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal {
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    max-height: calc(100vh - 2 * var(--spacing-lg));
    overflow-y: auto;
    z-index: var(--z-index-modal);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    line-height: 1;
    color: var(--color-neutral-500);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-hover);
}

.modal-close:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-neutral-800);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ==================== UTILITY CLASSES ==================== */

/* Display */
.hidden { display: none !important; }
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }

/* Flex */
.flex-row { flex-direction: row !important; }
.flex-col { flex-direction: column !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }

/* Spacing */
.m-auto { margin: auto !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }
.px-md { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; }
.py-md { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }

/* Text */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-muted { color: var(--color-neutral-500) !important; }
.text-primary { color: var(--color-primary-default) !important; }
.text-success { color: var(--color-success-default) !important; }
.text-warning { color: var(--color-warning-default) !important; }
.text-error { color: var(--color-error-default) !important; }

/* Backgrounds */
.bg-primary { background-color: var(--color-primary-default) !important; }
.bg-success { background-color: var(--color-success-default) !important; }
.bg-warning { background-color: var(--color-warning-default) !important; }
.bg-error { background-color: var(--color-error-default) !important; }

/* Borders */
.border { border: 1px solid var(--color-border) !important; }
.border-t { border-top: 1px solid var(--color-border) !important; }
.border-b { border-bottom: 1px solid var(--color-border) !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--spacing-lg); }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-5 {
        grid-template-columns: 1fr;
    }
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    margin: 0;
}

/* ==================== SCROLL REVEAL ==================== */

/* Single element reveal */
[data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveal for container children */
[data-reveal-stagger] > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

[data-reveal-stagger].revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays (up to 8 children) */
[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 60ms; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 120ms; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 180ms; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 240ms; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 300ms; }
[data-reveal-stagger].revealed > *:nth-child(7) { transition-delay: 360ms; }
[data-reveal-stagger].revealed > *:nth-child(8) { transition-delay: 420ms; }

/* Reveal from left */
[data-reveal-left] {
    opacity: 0;
    transform: translateX(-16px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

[data-reveal-left].revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Reveal from right */
[data-reveal-right] {
    opacity: 0;
    transform: translateX(16px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

[data-reveal-right].revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Reveal scale */
[data-reveal-scale] {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

[data-reveal-scale].revealed {
    opacity: 1;
    transform: scale(1);
}

/* Accessibility: Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    [data-reveal],
    [data-reveal-stagger],
    [data-reveal-left],
    [data-reveal-right],
    [data-reveal-scale] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    [data-reveal-stagger].revealed > *,
    [data-reveal-stagger].revealed > *:nth-child(n) {
        transition-delay: 0ms !important;
    }
}

/* ==================== PAGE HERO ==================== */

.page-hero {
    text-align: center;
    padding: 80px 24px 60px;
    background: linear-gradient(180deg, var(--color-primary-subtle) 0%, var(--color-bg-primary) 100%);
}

.page-hero h1 {
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-5xl));
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    color: var(--color-neutral-800);
}

.page-hero h1 span {
    color: var(--color-primary-default);
}

.page-hero p {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    max-width: 560px;
    margin: 0 auto var(--spacing-xl);
    line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
    .page-hero {
        padding: 60px 20px 40px;
    }
    .page-hero h1 {
        font-size: var(--font-size-3xl);
    }
    .page-hero p {
        font-size: var(--font-size-base);
    }
}

/* ==================== SCAN WIDGET ==================== */

.scan-card {
    max-width: 640px;
    margin: 0 auto;
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    position: relative;
}

.scan-card h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-neutral-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scan-input-row {
    display: flex;
    gap: var(--spacing-sm);
}

.scan-input-row input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.scan-input-row input:focus {
    border-color: var(--color-primary-default);
}

.scan-input-row input::placeholder {
    color: var(--color-text-muted);
}

.btn-scan {
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--color-primary-default);
    color: var(--color-text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast);
}

.btn-scan:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-scan:disabled {
    background: var(--color-border);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.scan-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .scan-card {
        padding: var(--spacing-lg);
    }
    .scan-input-row {
        flex-direction: column;
    }
    .btn-scan {
        width: 100%;
    }
}

/* ==================== GRIDS & SECTIONS ==================== */

.section {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 60px var(--spacing-md);
}

.section h2 {
    font-size: var(--font-size-4xl);
    text-align: center;
    margin-bottom: 48px;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-neutral-800);
}

@media (max-width: 768px) {
    .section h2 {
        font-size: var(--font-size-3xl);
    }
}

/* Grid layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

/* Responsive grids */
@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5 {
        grid-template-columns: 1fr;
    }
}

/* ==================== ADDITIONAL BUTTON STYLES ==================== */

/* Green button (alias for success, commonly used) */
.btn-green {
    background: var(--color-success-default);
    color: var(--color-text-inverse);
    border-color: var(--color-success-default);
}

.btn-green:hover:not(:disabled) {
    background: var(--color-success-hover);
    border-color: var(--color-success-hover);
}

/* White button (for dark backgrounds) */
.btn-white {
    background: var(--color-bg-primary);
    color: var(--color-neutral-800);
    border-color: var(--color-bg-primary);
}

.btn-white:hover:not(:disabled) {
    background: var(--color-neutral-100);
    border-color: var(--color-neutral-100);
}
/**
 * Mobile UX Improvements for ADAA Scanner
 * Fixes identified in ADAA-270 audit
 */

/* ==================== RESPONSIVE TABLES ==================== */

/* Horizontal scroll for tables on mobile */
@media (max-width: 768px) {
    .scans-table,
    .results-table,
    .data-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    /* Alternative: Card layout for tables */
    .scans-table tbody tr,
    .results-table tbody tr {
        display: block;
        margin-bottom: 16px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 16px;
    }

    .scans-table tbody td,
    .results-table tbody td {
        display: block;
        white-space: normal;
        padding: 8px 0;
    }

    .scans-table tbody td::before,
    .results-table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        display: block;
        margin-bottom: 4px;
        color: var(--color-text-muted);
    }

    /* Hide table headers on mobile (using data-label instead) */
    .scans-table thead,
    .results-table thead {
        display: none;
    }
}

/* ==================== CODE BLOCKS ==================== */

/* Prevent code blocks from overflowing */
pre,
code,
.code-block {
    overflow-x: auto;
    max-width: 100%;
    word-wrap: break-word;
    word-break: break-all;
}

@media (max-width: 768px) {
    pre,
    .code-block {
        font-size: 0.85rem;
        padding: 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ==================== TOUCH TARGETS ==================== */

/* Ensure minimum touch target size (44x44px) */
@media (max-width: 768px) {
    .btn,
    button,
    a.btn-primary,
    a.btn-outline,
    a.btn-accent {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 16px;
    }

    /* Icon-only buttons */
    .icon-button,
    button:has(svg:only-child),
    a:has(svg:only-child) {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ==================== FONT SIZES ==================== */

/* Minimum 14px for body text on mobile */
@media (max-width: 768px) {
    html, body {
        max-width: 100vw;
        overflow-x: hidden;
    }

    body {
        font-size: 16px;
    }

    p,
    .text-body,
    .description {
        font-size: 14px;
        line-height: 1.6;
    }

    /* Scan hint text - increase from 0.8rem (~12.8px) to 14px */
    .scan-hint {
        font-size: 14px;
    }

    /* Badge labels - keep small but readable */
    .badge,
    .tag {
        font-size: 12px;
        padding: 4px 8px;
    }
}

/* ==================== SPACING & PADDING ==================== */

/* Adjust padding on mobile */
@media (max-width: 768px) {
    .section {
        padding: 48px 16px;
    }

    .hero-premium {
        padding: 80px 16px 48px;
    }

    .card {
        padding: 20px;
    }

    .cta-card {
        padding: 32px 20px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 40px 12px;
    }
}

/* ==================== STATS GRID ==================== */

/* Ensure stats cards fit on mobile */
@media (max-width: 768px) {
    .stat-card {
        padding: 20px 16px;
    }

    .stat-value {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .stat-card {
        padding: 16px 12px;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }
}

/* ==================== PRICING CARDS ==================== */

@media (max-width: 768px) {
    .plan-card {
        padding: 24px 20px;
    }

    .plan-features li {
        padding: 8px 0;
        font-size: 14px;
    }
}

/* ==================== VIOLATION CARDS ==================== */

@media (max-width: 768px) {
    .violation-card {
        padding: 20px;
    }

    .violation-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .violation-instances {
        margin-left: 0;
        margin-top: 12px;
    }
}

/* ==================== DASHBOARD ==================== */

@media (max-width: 640px) {
    /* Improve table readability */
    .scans-table {
        font-size: 14px;
    }

    .scans-table th,
    .scans-table td {
        padding: 10px 8px;
    }

    /* Quick scan form */
    .quick-scan-form {
        flex-direction: column;
    }

    .quick-scan-form input {
        width: 100%;
    }

    .quick-scan-form button {
        width: 100%;
    }

    /* Dashboard stats */
    .dash-stat-card {
        padding: 20px 16px;
    }

    .dash-stat-value {
        font-size: 2rem;
    }
}

/* ==================== CHART RESPONSIVENESS ==================== */

@media (max-width: 768px) {
    .chart-container {
        position: relative;
        height: 300px;
        width: 100%;
    }

    .chart-container canvas {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .chart-container {
        height: 250px;
    }
}

/* ==================== FOOTER ==================== */

@media (max-width: 768px) {
    .footer {
        padding: 40px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-column {
        text-align: left;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
}

/* ==================== ACCESSIBILITY IMPROVEMENTS ==================== */

/* Focus states for mobile keyboard navigation */
@media (max-width: 768px) {
    .btn:focus-visible,
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid var(--color-primary);
        outline-offset: 2px;
    }

    /* High contrast mode support */
    @media (prefers-contrast: more) {
        .btn,
        button {
            border: 2px solid currentColor;
        }
    }
}

/* ==================== REDUCED MOTION ==================== */

@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-premium::after {
        animation: none;
    }
}