* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* 터치 최적화 */
button, a, input, [role="button"], [role="link"] {
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

input[type="text"], textarea {
    -webkit-user-select: text;
    user-select: text;
}

:root {
    --primary-color: #00C853;
    --primary-dark: #009640;
    --primary-light: #66FF00;
    --danger-color: #FF3B30;
    --danger-dark: #CC2E26;
    --bg-dark: #0A0E27;
    --bg-darker: #050809;
    --surface: #1A1F3A;
    --surface-light: #2A3050;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B8D4;
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode */
[data-theme="light"] {
    --bg-dark: #f5f5fa;
    --bg-darker: #eeeef5;
    --surface: #ffffff;
    --surface-light: #f0f0f5;
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a70;
}
[data-theme="light"] body {
    background: linear-gradient(135deg, #f5f5fa 0%, #ffffff 100%);
}
[data-theme="light"] .app-loader {
    background: #f5f5f5;
}
[data-theme="light"] .container {
    background: rgba(255,255,255,0.95);
}
[data-theme="light"] .lang-btn,
[data-theme="light"] .theme-toggle,
[data-theme="light"] .sound-toggle {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.1);
    color: var(--text-primary);
}
[data-theme="light"] .lang-btn:hover,
[data-theme="light"] .theme-toggle:hover,
[data-theme="light"] .sound-toggle:hover {
    background: rgba(0,200,83,0.08);
}
[data-theme="light"] .lang-menu {
    background: rgba(245,245,250,0.98);
    border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .lang-option:hover {
    background: rgba(0,200,83,0.06);
}
[data-theme="light"] .ad-container {
    background: rgba(0,0,0,0.03);
    border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] footer {
    color: var(--text-secondary);
}
[data-theme="light"] footer a {
    color: var(--primary-color);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 76px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}
.theme-toggle:hover { transform: scale(1.1); }
.theme-toggle:active { transform: scale(0.95); }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* App Loader */
.app-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.app-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.loader-emoji {
    font-size: 48px;
    animation: loader-bounce 1s ease-in-out infinite;
}
.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: loader-spin 0.8s linear infinite;
}
.loader-text {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    font-weight: 500;
}
@keyframes loader-spin {
    to { transform: rotate(360deg); }
}
@keyframes loader-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 컨테이너 */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0;
}

/* 광고 배너 */
.ad-banner {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px;
    text-align: center;
}

.ad-top {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ad-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

.ad-placeholder {
    display: inline-block;
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 8px;
}

/* 언어 선택기 */
.language-selector {
    position: relative;
    display: inline-block;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-top: 8px;
    min-width: 200px;
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.lang-menu.hidden {
    display: none;
}

.lang-option {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.lang-option:hover {
    background: rgba(0, 200, 83, 0.2);
}

/* 헤더 */
.app-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    justify-content: center;
}

.app-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 게임 컨테이너 */
.game-container {
    padding: 20px;
    min-height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 스크린 전환 */
.screen {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

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

/* 인트로 화면 */
.intro-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.intro-icon {
    font-size: 60px;
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.intro-content h2 {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
}

.intro-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
}

.how-to-play {
    background: rgba(0, 200, 83, 0.1);
    border: 1px solid rgba(0, 200, 83, 0.3);
    border-radius: var(--border-radius);
    padding: 16px;
}

.how-to-play h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.steps {
    list-style: none;
    gap: 8px;
    display: flex;
    flex-direction: column;
}

.steps li {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-left: 2px solid var(--primary-color);
    font-size: 14px;
}

.grade-preview {
    background: rgba(0, 200, 83, 0.05);
    border: 1px solid rgba(0, 200, 83, 0.2);
    border-radius: var(--border-radius);
    padding: 16px;
}

.grade-preview h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.grade-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.grade-item {
    display: grid;
    grid-template-columns: 32px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 13px;
}

.grade-icon {
    font-size: 20px;
    text-align: center;
}

.grade-range {
    font-weight: 500;
    color: var(--text-secondary);
}

.grade-name {
    font-weight: 600;
}

.grade-percent {
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
}

/* 버튼 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 200, 83, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
    width: 100%;
}

/* CTA pulse animation for start button */
.btn-cta-pulse {
    animation: ctaPulse 2.5s ease-in-out 0.5s infinite;
}
@keyframes ctaPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3); }
    50% { transform: scale(1.03); box-shadow: 0 6px 25px rgba(0, 200, 83, 0.5); }
}

@media (prefers-reduced-motion: reduce) {
    .btn-cta-pulse {
        animation: none !important;
    }
}

/* 게임 화면 */
.game-area {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    background: var(--danger-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.game-area.ready {
    background: var(--primary-color);
    animation: pulse-large 0.3s ease-out;
}

@keyframes pulse-large {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.game-area.early-tap {
    background: #FF9800;
}

.game-status {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
}

.game-status p {
    font-size: 32px;
    font-weight: 700;
}

.game-info {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 14px;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 8px;
}

.timer-display {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 16px;
}

/* 결과 화면 */
.result-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 20px;
}

.result-icon {
    font-size: 60px;
    text-align: center;
    animation: bounceIn 0.6s ease-out;
}

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

.result-content h2 {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
}

.result-card {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.15) 0%, rgba(0, 200, 83, 0.05) 100%);
    border: 1px solid rgba(0, 200, 83, 0.3);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
}

.reaction-time-display {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.reaction-time-display .label {
    font-size: 14px;
    color: var(--text-secondary);
}

.reaction-time-display .value {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.reaction-time-display .unit {
    font-size: 18px;
    color: var(--text-secondary);
}

.grade-display {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid rgba(0, 200, 83, 0.3);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.grade-icon-large {
    font-size: 48px;
}

.grade-name-large {
    font-size: 24px;
    font-weight: 700;
}

.percentile-badge {
    background: rgba(0, 200, 83, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.detailed-stats {
    background: rgba(0, 200, 83, 0.05);
    border: 1px solid rgba(0, 200, 83, 0.2);
    border-radius: var(--border-radius);
    padding: 16px;
}

.detailed-stats h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.time-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.time-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 200, 83, 0.2);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    font-size: 12px;
}

.time-item .time-number {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.time-item .time-label {
    color: var(--text-secondary);
    font-size: 11px;
}

/* 프리미엄 섹션 */
.premium-section {
    margin: 12px 0;
}

.premium-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #FFB800 0%, #FF9500 100%);
    color: #000;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 184, 0, 0.3);
}

.premium-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 184, 0, 0.4);
}

.premium-badge {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}

/* 공유 섹션 */
.share-section {
    margin: 12px 0;
}

.ad-result-area {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
}

/* 모달 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

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

.premium-modal-content {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
}

.modal-header {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-body {
    padding: 20px;
}

/* AI 분석 콘텐츠 */
.analysis-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.analysis-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 14px;
}

.analysis-content {
    background: rgba(0, 200, 83, 0.05);
    border-left: 3px solid var(--primary-color);
    padding: 12px;
    border-radius: 4px;
    font-size: 13px;
    line-height: 1.6;
}

/* 전면 광고 */
.interstitial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    backdrop-filter: blur(4px);
}

.interstitial-overlay.hidden {
    display: none;
}

.interstitial-content {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.ad-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.ad-placeholder-large {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.close-ad-btn {
    background: rgba(0, 200, 83, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.close-ad-btn:hover:not(:disabled) {
    background: rgba(0, 200, 83, 0.3);
}

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

/* 추천 섹션 */
.recommendations-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.rec-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.rec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.rec-card {
    background: rgba(0, 200, 83, 0.05);
    border: 1px solid rgba(0, 200, 83, 0.2);
    border-radius: 12px;
    padding: 12px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.rec-card:hover {
    background: rgba(0, 200, 83, 0.15);
    border-color: rgba(0, 200, 83, 0.4);
    transform: translateY(-2px);
}

.rec-icon {
    font-size: 28px;
}

.rec-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.rec-name {
    font-size: 12px;
    font-weight: 600;
}

.rec-desc {
    font-size: 10px;
    color: var(--text-secondary);
}

/* 푸터 */
.game-footer {
    padding: 20px 0;
    text-align: center;
    margin-bottom: 80px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.back-link:hover {
    gap: 12px;
}

/* 반응형 */
@media (max-width: 480px) {
    .app-header h1 {
        font-size: 22px;
    }

    .intro-icon {
        font-size: 48px;
    }

    .how-to-play,
    .grade-preview {
        padding: 12px;
    }

    .grade-item {
        grid-template-columns: 28px 1fr auto;
        gap: 8px;
        padding: 8px;
        font-size: 12px;
    }

    .game-area {
        aspect-ratio: 1;
    }

    .game-status p {
        font-size: 28px;
    }

    .result-icon {
        font-size: 48px;
    }

    .result-content h2 {
        font-size: 22px;
    }

    .reaction-time-display .value {
        font-size: 36px;
    }

    .grade-icon-large {
        font-size: 36px;
    }

    .grade-name-large {
        font-size: 20px;
    }

    .time-list {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }

    .time-item {
        padding: 8px;
    }

    .time-item .time-number {
        font-size: 16px;
    }

    .rec-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .rec-icon {
        font-size: 24px;
    }
}

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

/* === Keyboard Focus Accessibility === */
button:focus-visible,
a:focus-visible,
input:focus-visible,
[role="button"]:focus-visible,
[role="link"]:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
}

/* Remove default outline only if custom one provided */
button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid #9b59b6;
    outline-offset: 2px;
}

/* Tab key only focus style */
button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible) {
    outline: none;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
    button, input, a[href], [role="button"] {
        border: 2px solid currentColor;
    }
}

/* Ensure minimum touch target size (WCAG 2.1 Level AAA) */
button, a[href], input[type="button"], input[type="submit"],
[role="button"], [role="link"] {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Enhanced button accessibility */
button:focus-visible,
input[type="button"]:focus-visible,
input[type="submit"]:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
}

button:active,
input[type="button"]:active,
input[type="submit"]:active,
[role="button"]:active {
    transform: scale(0.98);
}

/* High contrast mode */
@media (prefers-contrast: more) {
    button,
    input[type="button"],
    input[type="submit"],
    [role="button"] {
        border: 2px solid currentColor;
        font-weight: bold;
    }
}

/* Enhanced form accessibility */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    font-size: 16px;
    min-height: 44px;
    padding: 10px 12px;
}

input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="password"]:focus-visible,
input[type="number"]:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 1px;
}

/* Error handling accessibility */
.error-message,
[aria-invalid="true"] {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

[aria-invalid="true"] {
    border-color: #dc2626;
}

/* Non-color focus indicators */
:focus-visible {
    outline-width: 3px;
}

/* Icon patterns for colorblind users */
.error::before {
    content: "x ";
}

.success::before {
    content: "✓ ";
}

.warning::before {
    content: "! ";
}

.info::before {
    content: "i ";
}

/* High contrast scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark, #f1f5f9);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color, #3b82f6);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark, #1e40af);
}

/* Firefox scrollbar */
* {
    scrollbar-color: var(--primary-color, #3b82f6) var(--bg-dark, #f1f5f9);
    scrollbar-width: thin;
}

/* Selection Color */
::selection {
    background: #00C853;
    color: white;
}

::-moz-selection {
    background: #00C853;
    color: white;
}