/* ========================================
   MarkUp Global Design System CSS
   "Making the sharp soft"
   ======================================== */

/* ========================================
   CSS Variables - MarkUp Design System
   ======================================== */
:root {
    /* MarkUp Color System - Light Mode */
    --color-background: #F7F8FA;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #FFFFFF;

    /* Text Colors */
    --color-text-primary: #2A3444;
    --color-text-secondary: #5F6B7A;
    --color-text-tertiary: #9BA3AE;

    /* Border */
    --color-border: #E1E4E8;

    /* Accent Colors - Midnight Slate Primary */
    --color-accent-warm: #3A4758;
    --color-accent-warm-hover: #2D3644;
    --color-accent-cool: #5B8A9F;

    /* State Colors */
    --color-success: #6B8E6B;
    --color-success-bg: #F0F7F4;
    --color-success-border: #C4E4D4;
    --color-warning: #D4A054;
    --color-warning-bg: #FFF8ED;
    --color-warning-border: #F5D9A8;
    --color-error: #C4636A;
    --color-error-bg: #FDF2F2;
    --color-error-border: #F5C2C2;
    --color-info: #6889A0;
    --color-info-bg: #F0F6F9;
    --color-info-border: #C4DBE5;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, 'Noto Sans KR', sans-serif;
    --font-size-xs: 0.8125rem;   /* 13px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 0.9375rem; /* 15px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows - MarkUp Style */
    --shadow-sm: 0 1px 2px 0 rgba(42, 52, 68, 0.05);
    --shadow-md: 0 4px 12px rgba(91, 138, 159, 0.08);
    --shadow-lg: 0 8px 24px rgba(91, 138, 159, 0.12);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease-out;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #1A1F2E;
        --color-surface: #252C3C;
        --color-surface-elevated: #2F3544;

        --color-text-primary: #F7F8FA;
        --color-text-secondary: #C5CAD1;
        --color-text-tertiary: #9BA3AE;

        --color-border: #3A4250;

        --color-accent-warm: #5D6E82;
        --color-accent-warm-hover: #738496;
        --color-accent-cool: #7BAFC7;

        --color-success: #8BB38B;
        --color-success-bg: #1F3830;
        --color-success-border: #2F5244;
        --color-warning: #E5B470;
        --color-warning-bg: #3D3020;
        --color-warning-border: #5A4830;
        --color-error: #D97F85;
        --color-error-bg: #3D2626;
        --color-error-border: #5A3838;
        --color-info: #89ABC5;
        --color-info-bg: #1F303A;
        --color-info-border: #2F4854;

        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    /* MarkUp Ambient Background - "Making the sharp soft" */
    background-image:
        /* Subtle radial glow from center */
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(58, 71, 88, 0.03) 0%, transparent 70%),
        /* Secondary warm accent glow */
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(91, 138, 159, 0.02) 0%, transparent 60%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-color-scheme: dark) {
    body {
        background-image:
            radial-gradient(ellipse 80% 60% at 50% 40%, rgba(93, 110, 130, 0.08) 0%, transparent 70%),
            radial-gradient(ellipse 60% 50% at 80% 20%, rgba(123, 175, 199, 0.05) 0%, transparent 60%);
    }
}

a {
    color: var(--color-accent-cool);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-warm);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   Header & Navigation
   ======================================== */
.markup-header {
    position: sticky;
    top: 0;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

@media (prefers-color-scheme: dark) {
    .markup-header {
        background: rgba(37, 44, 60, 0.95);
    }
}

.markup-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.markup-logo-symbol {
    width: 28px;
    height: 28px;
    color: var(--color-accent-warm);
    transition: transform var(--transition-normal);
}

.markup-logo:hover .markup-logo-symbol {
    transform: rotate(45deg);
}

.markup-logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

/* ========================================
   Radiant Symbol Motion Graphics
   "Making the sharp soft" - 부드러운 움직임
   ======================================== */

/* Breathing animation for Symbol */
.markup-symbol--breathing {
    animation: markup-symbol-breathe 4s ease-in-out infinite;
}

@keyframes markup-symbol-breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* Radiant glow effect */
.markup-symbol--radiant {
    animation: markup-symbol-radiant 3s ease-in-out infinite;
    filter: drop-shadow(0 0 0 transparent);
}

@keyframes markup-symbol-radiant {
    0%, 100% {
        filter: drop-shadow(0 0 2px rgba(91, 138, 159, 0.2));
    }
    50% {
        filter: drop-shadow(0 0 12px rgba(91, 138, 159, 0.4));
    }
}

/* Ray pulse animation - for individual lines */
.markup-symbol__ray {
    transform-origin: center;
    animation: markup-ray-pulse 2.5s ease-in-out infinite;
}

.markup-symbol__ray:nth-child(2) { animation-delay: 0.15s; }
.markup-symbol__ray:nth-child(3) { animation-delay: 0.3s; }
.markup-symbol__ray:nth-child(4) { animation-delay: 0.45s; }
.markup-symbol__ray:nth-child(5) { animation-delay: 0.6s; }
.markup-symbol__ray:nth-child(6) { animation-delay: 0.75s; }
.markup-symbol__ray:nth-child(7) { animation-delay: 0.9s; }
.markup-symbol__ray:nth-child(8) { animation-delay: 1.05s; }

@keyframes markup-ray-pulse {
    0%, 100% {
        opacity: 1;
        stroke-width: 6;
    }
    50% {
        opacity: 0.7;
        stroke-width: 5;
    }
}

/* Slow rotation for ambient presence */
.markup-symbol--rotating {
    animation: markup-symbol-rotate 20s linear infinite;
}

@keyframes markup-symbol-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Combined ambient animation */
.markup-symbol--ambient {
    animation:
        markup-symbol-breathe 4s ease-in-out infinite,
        markup-symbol-radiant 3s ease-in-out infinite;
}

/* Hero symbol floating animation */
.markup-hero__symbol--animated {
    animation:
        markup-symbol-breathe 4s ease-in-out infinite,
        markup-symbol-radiant 3s ease-in-out infinite,
        markup-symbol-float 6s ease-in-out infinite;
}

@keyframes markup-symbol-float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.02);
    }
}

.markup-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.markup-nav a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.markup-nav a:hover {
    color: var(--color-accent-warm);
    background: rgba(58, 71, 88, 0.06);
}

@media (prefers-color-scheme: dark) {
    .markup-nav a:hover {
        background: rgba(93, 110, 130, 0.15);
    }
}

@media (max-width: 768px) {
    .markup-nav {
        display: none;
    }
}

/* ========================================
   Footer
   ======================================== */
.markup-footer {
    padding: var(--spacing-xl);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    border-top: 1px solid var(--color-border);
}

.markup-footer a {
    color: var(--color-text-secondary);
    margin: 0 var(--spacing-sm);
}

.markup-footer a:hover {
    color: var(--color-accent-warm);
}

/* ========================================
   Buttons
   ======================================== */
.markup-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.markup-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.markup-btn--primary {
    background: var(--color-accent-warm);
    color: #ffffff;
}

.markup-btn--primary:hover:not(:disabled) {
    background: var(--color-accent-warm-hover);
    transform: translateY(-2px);
}

.markup-btn--secondary {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.markup-btn--secondary:hover:not(:disabled) {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
}

.markup-btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.markup-btn--ghost:hover:not(:disabled) {
    background: rgba(58, 71, 88, 0.06);
    color: var(--color-accent-warm);
}

.markup-btn--sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

.markup-btn--lg {
    padding: 18px 36px;
    font-size: var(--font-size-lg);
}

/* ========================================
   Cards
   ======================================== */
.markup-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.markup-card:hover {
    border-color: var(--color-accent-cool);
}

/* Elevated Card - 더 뚜렷한 그림자와 hover 효과 */
.markup-card--elevated {
    background: var(--color-surface);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

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

/* ========================================
   Toast Notifications
   ======================================== */
.markup-toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.markup-toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 450px;
    animation: markup-toast-in 0.3s ease-out;
}

.markup-toast--exiting {
    animation: markup-toast-out 0.3s ease-out forwards;
}

.markup-toast__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.markup-toast__icon svg {
    width: 20px;
    height: 20px;
}

.markup-toast__content {
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.markup-toast__close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 18px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.markup-toast__close:hover {
    opacity: 1;
}

.markup-toast--success {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success);
}

.markup-toast--warning {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    color: var(--color-warning);
}

.markup-toast--error {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    color: var(--color-error);
}

.markup-toast--info {
    background: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
    color: var(--color-info);
}

@keyframes markup-toast-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes markup-toast-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ========================================
   Modal
   ======================================== */
.markup-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.markup-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.markup-modal {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.markup-modal-overlay.active .markup-modal {
    transform: scale(1) translateY(0);
}

.markup-modal__header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.markup-modal__icon {
    font-size: 28px;
    flex-shrink: 0;
}

.markup-modal__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.markup-modal__body {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.markup-modal__footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ========================================
   Inline Alerts - MarkUp Design System
   원본 디자인: InteractiveComponents.tsx 기반
   ======================================== */
.markup-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.markup-alert:hover {
    transform: scale(1.005);
}

/* 원형 아이콘 배경 스타일 */
.markup-alert__icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.markup-alert__icon svg {
    width: 14px;
    height: 14px;
    stroke: white;
    stroke-width: 2.5;
}

.markup-alert__content {
    flex: 1;
    min-width: 0;
}

.markup-alert__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 2px;
}

.markup-alert__message {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    opacity: 0.85;
}

.markup-alert__close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
    color: inherit;
}

.markup-alert__close:hover {
    opacity: 0.8;
}

.markup-alert__close svg {
    width: 14px;
    height: 14px;
}

/* Success Alert */
.markup-alert--success {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: var(--color-success);
}

.markup-alert--success .markup-alert__icon {
    background: var(--color-success);
}

.markup-alert--success .markup-alert__message {
    color: var(--color-success);
}

/* Warning Alert */
.markup-alert--warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: #8B6914;
}

.markup-alert--warning .markup-alert__icon {
    /* Darker gold for better white icon contrast */
    background: #B8860B;
}

.markup-alert--warning .markup-alert__title {
    color: #8B6914;
}

.markup-alert--warning .markup-alert__message {
    color: #A07818;
}

/* Error Alert */
.markup-alert--error {
    background: var(--color-error-bg);
    border-color: var(--color-error-border);
    color: var(--color-error);
}

.markup-alert--error .markup-alert__icon {
    background: var(--color-error);
}

.markup-alert--error .markup-alert__message {
    color: var(--color-error);
}

/* Info Alert */
.markup-alert--info {
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: #4A6B80;
}

.markup-alert--info .markup-alert__icon {
    /* Darker blue for better white icon contrast */
    background: #4A7B94;
}

.markup-alert--info .markup-alert__title {
    color: #4A6B80;
}

.markup-alert--info .markup-alert__message {
    color: #5A7B90;
}

/* ========================================
   Insight Box - MarkUp Brand Component
   기획자 시선 / 에디터 인사이트
   "Making the sharp soft" - 부드러운 카드 스타일
   ======================================== */
.markup-insight {
    background: linear-gradient(
        135deg,
        rgba(91, 138, 159, 0.04) 0%,
        var(--color-surface) 100%
    );
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.markup-insight:hover {
    box-shadow: var(--shadow-md);
}

.markup-insight__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.markup-insight__icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    background: rgba(91, 138, 159, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent-cool);
}

.markup-insight__icon svg {
    width: 16px;
    height: 16px;
}

.markup-insight__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-cool);
}

.markup-insight__content {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.markup-insight__content p {
    margin-bottom: var(--spacing-md);
}

.markup-insight__content p:last-child {
    margin-bottom: 0;
}

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

/* Cool tone variant */
.markup-insight--cool {
    background: linear-gradient(
        135deg,
        var(--color-info-bg) 0%,
        var(--color-surface) 100%
    );
    border-color: var(--color-info-border);
}

.markup-insight--cool .markup-insight__icon {
    background: rgba(104, 137, 160, 0.15);
    color: var(--color-info);
}

.markup-insight--cool .markup-insight__label {
    color: var(--color-info);
}

/* Warm tone variant */
.markup-insight--warm {
    background: linear-gradient(
        135deg,
        rgba(58, 71, 88, 0.04) 0%,
        var(--color-surface) 100%
    );
    border-color: rgba(58, 71, 88, 0.15);
}

.markup-insight--warm .markup-insight__icon {
    background: rgba(58, 71, 88, 0.1);
    color: var(--color-accent-warm);
}

.markup-insight--warm .markup-insight__label {
    color: var(--color-accent-warm);
}

@media (prefers-color-scheme: dark) {
    .markup-insight {
        background: linear-gradient(
            135deg,
            rgba(123, 175, 199, 0.06) 0%,
            var(--color-surface) 100%
        );
        border-color: var(--color-border);
    }

    .markup-insight--cool {
        background: linear-gradient(
            135deg,
            var(--color-info-bg) 0%,
            var(--color-surface) 100%
        );
    }

    .markup-insight--warm {
        background: linear-gradient(
            135deg,
            rgba(93, 110, 130, 0.08) 0%,
            var(--color-surface) 100%
        );
    }
}

/* ========================================
   Progress Indicators
   ======================================== */
.markup-progress {
    width: 100%;
    height: 8px;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.markup-progress__bar {
    height: 100%;
    background: var(--color-accent-warm);
    border-radius: var(--radius-full);
    transition: width 0.3s ease-out;
}

.markup-progress__bar--success {
    background: var(--color-success);
}

.markup-progress__bar--error {
    background: var(--color-error);
}

/* ========================================
   Spinner / Loading
   ======================================== */
.markup-spinner {
    display: inline-block;
    animation: markup-spin 1.8s ease-in-out infinite;
}

.markup-spinner--pulse {
    animation: markup-pulse 2.5s ease-in-out infinite;
}

@keyframes markup-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes markup-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.98); }
}

/* ========================================
   Page Transitions
   ======================================== */
.markup-fade-in {
    animation: markup-fade-in 0.5s ease-out;
}

@keyframes markup-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Hero Section (for landing pages)
   ======================================== */
.markup-hero {
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    position: relative;
}

.markup-hero__symbol {
    position: absolute;
    width: 600px;
    height: 600px;
    opacity: 0.05;
    pointer-events: none;
    color: var(--color-accent-warm);
    /* Soft ambient presence */
    filter: blur(0.5px);
}

@media (prefers-color-scheme: dark) {
    .markup-hero__symbol {
        opacity: 0.07;
    }
}

.markup-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.markup-hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: markup-pulse 2s infinite;
}

.markup-hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    max-width: 700px;
    letter-spacing: -0.02em;
}

.markup-hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 500px;
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
}

.markup-hero__actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

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

    .markup-hero__subtitle {
        font-size: var(--font-size-lg);
    }
}

/* ========================================
   Content Section
   ======================================== */
.markup-section {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.markup-section__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.markup-section__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.markup-section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* ========================================
   Feature Grid
   ======================================== */
.markup-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.markup-feature {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.markup-feature:hover {
    border-color: var(--color-accent-cool);
    box-shadow: var(--shadow-md);
}

.markup-feature__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--color-accent-warm);
}

.markup-feature__icon svg {
    width: 32px;
    height: 32px;
}

.markup-feature__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.markup-feature__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ========================================
   Contact Box
   ======================================== */
.markup-contact {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.markup-contact__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.markup-contact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.markup-contact__icon {
    width: 40px;
    height: 40px;
    background: var(--color-accent-warm);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   Author Card - MarkUp Content Attribution
   ======================================== */
.markup-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.markup-author:hover {
    border-color: var(--color-accent-cool);
    box-shadow: var(--shadow-sm);
}

.markup-author__avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(
        135deg,
        var(--color-accent-warm) 0%,
        var(--color-accent-cool) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    overflow: hidden;
}

.markup-author__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.markup-author__info {
    flex: 1;
    min-width: 0;
}

.markup-author__name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.markup-author__role {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.markup-author__bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
    line-height: 1.5;
}

/* Compact variant for article bylines */
.markup-author--compact {
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
    background: transparent;
    border: none;
}

.markup-author--compact:hover {
    background: var(--color-background);
    border-color: transparent;
}

.markup-author--compact .markup-author__avatar {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}

.markup-author--compact .markup-author__name {
    font-size: var(--font-size-sm);
}

/* Large variant for author pages */
.markup-author--lg {
    padding: var(--spacing-xl);
    flex-direction: column;
    text-align: center;
}

.markup-author--lg .markup-author__avatar {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
}

.markup-author--lg .markup-author__info {
    text-align: center;
}

.markup-author--lg .markup-author__name {
    font-size: var(--font-size-xl);
}

/* ========================================
   Category & Keyword Tags
   ======================================== */
.markup-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
    border: none;
}

/* Category tag - primary style */
.markup-tag--category {
    background: rgba(58, 71, 88, 0.06);
    color: var(--color-accent-warm);
    border: 1px solid rgba(58, 71, 88, 0.1);
}

.markup-tag--category:hover {
    background: rgba(58, 71, 88, 0.1);
    color: var(--color-accent-warm-hover);
    border-color: rgba(58, 71, 88, 0.2);
}

/* Keyword tag - secondary style */
.markup-tag--keyword {
    background: rgba(91, 138, 159, 0.08);
    color: var(--color-accent-cool);
    border: 1px solid rgba(91, 138, 159, 0.12);
}

.markup-tag--keyword:hover {
    background: rgba(91, 138, 159, 0.14);
    border-color: rgba(91, 138, 159, 0.2);
}

/* Source tag - neutral style */
.markup-tag--source {
    background: var(--color-background);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.markup-tag--source:hover {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
}

/* Tag with icon */
.markup-tag__icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.markup-tag__icon svg {
    width: 14px;
    height: 14px;
}

/* Tag container for multiple tags */
.markup-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Tag count indicator */
.markup-tag__count {
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-sm);
    font-size: 11px;
    margin-left: 4px;
}

@media (prefers-color-scheme: dark) {
    .markup-tag--category {
        background: rgba(93, 110, 130, 0.15);
        border-color: rgba(93, 110, 130, 0.2);
    }

    .markup-tag--category:hover {
        background: rgba(93, 110, 130, 0.25);
        border-color: rgba(93, 110, 130, 0.3);
    }

    .markup-tag--keyword {
        background: rgba(123, 175, 199, 0.12);
        border-color: rgba(123, 175, 199, 0.18);
    }

    .markup-tag--keyword:hover {
        background: rgba(123, 175, 199, 0.2);
        border-color: rgba(123, 175, 199, 0.25);
    }

    .markup-tag__count {
        background: rgba(255, 255, 255, 0.08);
    }
}

/* ========================================
   Error Pages
   ======================================== */
.markup-error-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    /* MarkUp Ambient Error Background */
    background-color: var(--color-background);
    background-image:
        radial-gradient(ellipse 100% 80% at 50% 30%, rgba(58, 71, 88, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(91, 138, 159, 0.03) 0%, transparent 50%);
}

@media (prefers-color-scheme: dark) {
    .markup-error-page {
        background-image:
            radial-gradient(ellipse 100% 80% at 50% 30%, rgba(93, 110, 130, 0.12) 0%, transparent 60%),
            radial-gradient(ellipse 60% 40% at 50% 100%, rgba(123, 175, 199, 0.06) 0%, transparent 50%);
    }
}

.markup-error-page__symbol {
    width: 120px;
    height: 120px;
    color: var(--color-accent-warm);
    margin-bottom: var(--spacing-xl);
    animation: markup-pulse 2.5s ease-in-out infinite;
}

.markup-error-page__code {
    font-size: 5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.markup-error-page__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.markup-error-page__message {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
}

.markup-error-page__actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* ========================================
   Skeleton Loading
   ======================================== */
.markup-skeleton {
    background: linear-gradient(
        90deg,
        var(--color-surface-elevated) 0%,
        rgba(91, 138, 159, 0.08) 50%,
        var(--color-surface-elevated) 100%
    );
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    animation: markup-skeleton-shimmer 1.5s ease-in-out infinite;
}

.markup-skeleton--text {
    height: 1em;
    border-radius: var(--radius-sm);
}

.markup-skeleton--avatar {
    border-radius: var(--radius-full);
}

.markup-skeleton--card {
    border-radius: var(--radius-lg);
    min-height: 120px;
}

@keyframes markup-skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (prefers-color-scheme: dark) {
    .markup-skeleton {
        background: linear-gradient(
            90deg,
            var(--color-surface-elevated) 0%,
            rgba(123, 175, 199, 0.12) 50%,
            var(--color-surface-elevated) 100%
        );
        background-size: 200% 100%;
    }
}

/* ========================================
   Badges
   ======================================== */
.markup-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.markup-badge--success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.markup-badge--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.markup-badge--error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.markup-badge--info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}

.markup-badge--neutral {
    background: var(--color-surface-elevated);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.markup-badge__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* ========================================
   Icons (MarkUp Brand Icon System)
   ======================================== */
.markup-icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.markup-icon--sm {
    width: 16px;
    height: 16px;
}

.markup-icon--md {
    width: 20px;
    height: 20px;
}

.markup-icon--lg {
    width: 24px;
    height: 24px;
}

.markup-icon--xl {
    width: 32px;
    height: 32px;
}

/* ========================================
   Form Components - Input, Select, Checkbox, Radio
   ======================================== */

/* Base Input */
.markup-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.markup-input::placeholder {
    color: var(--color-text-tertiary);
}

.markup-input:hover:not(:disabled) {
    border-color: var(--color-accent-cool);
}

.markup-input:focus {
    border-color: var(--color-accent-cool);
    box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.1);
}

.markup-input:disabled {
    background: var(--color-background);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

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

.markup-input--error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(196, 99, 106, 0.1);
}

.markup-input--success {
    border-color: var(--color-success);
}

.markup-input--success:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(107, 142, 107, 0.1);
}

/* Select Dropdown */
.markup-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 44px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235F6B7A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
}

.markup-select:hover:not(:disabled) {
    border-color: var(--color-accent-cool);
}

.markup-select:focus {
    border-color: var(--color-accent-cool);
    box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.1);
}

.markup-select:disabled {
    background-color: var(--color-background);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Textarea */
.markup-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
    resize: vertical;
    line-height: 1.6;
}

.markup-textarea::placeholder {
    color: var(--color-text-tertiary);
}

.markup-textarea:hover:not(:disabled) {
    border-color: var(--color-accent-cool);
}

.markup-textarea:focus {
    border-color: var(--color-accent-cool);
    box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.1);
}

.markup-textarea:disabled {
    background: var(--color-background);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

.markup-textarea--error {
    border-color: var(--color-error);
}

.markup-textarea--error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(196, 99, 106, 0.1);
}

/* Custom Select Dropdown */
.markup-dropdown {
    position: relative;
    width: 100%;
}

.markup-dropdown__trigger {
    width: 100%;
    padding: 12px 44px 12px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
}

.markup-dropdown__trigger::after {
    content: '';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235F6B7A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-size: contain;
    transition: transform var(--transition-fast);
}

.markup-dropdown--open .markup-dropdown__trigger::after {
    transform: translateY(-50%) rotate(180deg);
}

.markup-dropdown__trigger:hover {
    border-color: var(--color-accent-cool);
}

.markup-dropdown__trigger:focus {
    border-color: var(--color-accent-cool);
    box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.1);
}

.markup-dropdown__trigger--placeholder {
    color: var(--color-text-tertiary);
}

.markup-dropdown__menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 240px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.markup-dropdown--open .markup-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.markup-dropdown__option {
    padding: 10px 16px;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

.markup-dropdown__option:hover {
    background: var(--color-background);
}

.markup-dropdown__option--selected {
    background: rgba(91, 138, 159, 0.1);
    color: var(--color-accent-cool);
    font-weight: var(--font-weight-medium);
}

.markup-dropdown__option--selected::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235B8A9F' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: contain;
}

/* Checkbox */
.markup-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    user-select: none;
    transition: color var(--transition-fast);
}

.markup-checkbox input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.markup-checkbox input[type="checkbox"]:hover:not(:disabled) {
    border-color: var(--color-accent-cool);
}

.markup-checkbox input[type="checkbox"]:checked {
    background: var(--color-accent-warm);
    border-color: var(--color-accent-warm);
}

.markup-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.markup-checkbox input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.2);
}

.markup-checkbox input[type="checkbox"]:disabled {
    background: var(--color-background);
    border-color: var(--color-border);
    cursor: not-allowed;
    opacity: 0.5;
}

.markup-checkbox input[type="checkbox"]:disabled:checked {
    background: var(--color-text-tertiary);
    border-color: var(--color-text-tertiary);
}

/* Disabled text styling for checkbox */
.markup-checkbox:has(input:disabled) {
    color: var(--color-text-tertiary);
    cursor: not-allowed;
}

/* Radio */
.markup-radio {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    user-select: none;
    transition: color var(--transition-fast);
}

.markup-radio input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.markup-radio input[type="radio"]:hover:not(:disabled) {
    border-color: var(--color-accent-cool);
}

.markup-radio input[type="radio"]:checked {
    border-color: var(--color-accent-warm);
}

.markup-radio input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--color-accent-warm);
    border-radius: var(--radius-full);
}

.markup-radio input[type="radio"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.2);
}

.markup-radio input[type="radio"]:disabled {
    background: var(--color-background);
    border-color: var(--color-border);
    cursor: not-allowed;
    opacity: 0.5;
}

.markup-radio input[type="radio"]:disabled:checked::after {
    background: var(--color-text-tertiary);
}

/* Disabled text styling for radio */
.markup-radio:has(input:disabled) {
    color: var(--color-text-tertiary);
    cursor: not-allowed;
}

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

.markup-form-group__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.markup-form-group__hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-xs);
}

.markup-form-group__error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}

/* Dark Mode Form Components */
@media (prefers-color-scheme: dark) {
    .markup-input:focus,
    .markup-select:focus {
        box-shadow: 0 0 0 3px rgba(123, 175, 199, 0.15);
    }

    .markup-select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23C5CAD1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    }

    .markup-checkbox input[type="checkbox"]:focus,
    .markup-radio input[type="radio"]:focus {
        box-shadow: 0 0 0 3px rgba(123, 175, 199, 0.2);
    }
}

/* ========================================
   Utilities
   ======================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ========================================
   Reduced Motion Support
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}