/**
 * Korean Number Decoder Styles
 * Version: 2.0.0
 * Uses Korean Patch site-wide CSS variables
 */

/* ===========================
   Base Container Styles
   =========================== */

.knd-wrapper {
    max-width: min(95vw, 800px);
    margin: 10px auto;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--kp-text-primary, #111111);
    line-height: 1.6;
    box-sizing: border-box;
}

.knd-wrapper * {
    box-sizing: border-box;
}

.knd-tool {
    background: var(--kp-surface-primary, #FFFFFF);
    border: 3px solid var(--clean-black, #111111);
    border-radius: 15px;
    box-shadow: 6px 6px 0 var(--clean-black, #111111);
    padding: clamp(20px, 4vw, 30px);
    position: relative;
    overflow: hidden;
}

/* ===========================
   Logo
   =========================== */

.knd-logo {
    position: absolute;
    top: clamp(10px, 3vw, 15px);
    right: clamp(10px, 3vw, 15px);
    width: clamp(35px, 8vw, 50px);
    height: clamp(35px, 8vw, 50px);
    background-size: cover;
    background-position: center;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.knd-logo:hover {
    opacity: 0.8;
}

/* ===========================
   Title
   =========================== */

.knd-title {
    margin-bottom: clamp(20px, 4vw, 25px);
    border-bottom: 3px solid var(--clean-black, #111111);
    padding-bottom: clamp(12px, 3vw, 15px);
    padding-right: clamp(50px, 12vw, 70px);
}

.knd-title h2 {
    margin: 0;
    font-size: clamp(1.4rem, 5vw, 2rem);
    font-weight: 700;
    color: var(--kp-text-primary, #111111);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: clamp(0.5px, 0.2vw, 1px);
    line-height: 1.2;
}

/* ===========================
   Input Section
   =========================== */

.knd-input-section {
    margin-bottom: clamp(20px, 4vw, 25px);
}

.knd-input-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: clamp(12px, 3vw, 15px);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.knd-toggle-btn {
    padding: clamp(10px, 3vw, 12px) clamp(16px, 4vw, 24px);
    background: #e5e7eb;
    border: 3px solid #111111;
    cursor: pointer;
    font-size: clamp(0.7rem, 2.5vw, 0.9rem);
    color: #111111;
    font-weight: 600;
    transition: all 0.2s ease;
    font-family: 'Noto Sans KR', sans-serif;
    position: relative;
    z-index: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-word;
    hyphens: auto;
}

.knd-toggle-btn:first-child {
    border-radius: 8px 0 0 8px;
    border-right: 1px solid #111111;
}

.knd-toggle-btn:last-child {
    border-radius: 0 8px 8px 0;
    border-left: 1px solid #111111;
}

.knd-toggle-btn.active {
    background: #00A884;
    color: #FFFFFF;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 1);
}

.knd-toggle-btn:not(.active):hover {
    background: #d1d5db;
    box-shadow: 4px 4px 0 #111111;
}

.knd-toggle-btn:focus {
    outline: 2px solid #00A884;
    outline-offset: 2px;
}

/* ===========================
   Input Field
   =========================== */

.knd-input {
    width: 100%;
    padding: clamp(14px, 3.5vw, 18px);
    font-size: clamp(1rem, 3.5vw, 1.4rem);
    border: 3px solid var(--clean-black, #111111);
    border-radius: 8px;
    text-align: center;
    font-family: 'Noto Sans KR', monospace;
    letter-spacing: clamp(0.5px, 0.2vw, 1px);
    background: var(--kp-surface-primary, #FFFFFF);
    color: var(--kp-text-primary, #111111);
    box-shadow: 3px 3px 0 var(--clean-black, #111111);
    transition: all 0.2s ease;
    line-height: 1.3;
}

.knd-input:focus {
    outline: none;
    border-color: var(--celadon-green, #00A884);
    box-shadow: 4px 4px 0 var(--celadon-green, #00A884);
    transform: translate(-1px, -1px);
}

.knd-input::placeholder {
    color: var(--kp-text-tertiary, #9ca3af);
    opacity: 0.8;
}

/* ===========================
   Results Section
   =========================== */

.knd-results {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.knd-results.hidden {
    display: none;
}

.knd-display {
    font-size: clamp(1.3rem, 6vw, 2.5rem);
    font-family: 'Noto Sans KR', monospace;
    text-align: center;
    margin-bottom: clamp(20px, 4vw, 25px);
    letter-spacing: clamp(0.5px, 0.2vw, 1px);
    line-height: 1.3;
    padding: clamp(12px, 3vw, 15px);
    background: var(--kp-surface-secondary, #FFFFFF);
    border: 2px solid var(--clean-black, #111111);
    border-radius: 8px;
    box-shadow: 2px 2px 0 var(--clean-black, #111111);
    word-break: break-all;
    overflow-wrap: break-word;
    hyphens: auto;
}

.knd-reading-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(15px, 4vw, 20px);
}

.knd-korean-reading {
    padding: clamp(15px, 4vw, 20px);
    background: rgba(255, 84, 112, 0.1);
    border: 3px solid var(--dancheong-red, #FF5470);
    border-radius: 8px;
    text-align: center;
    box-shadow: 3px 3px 0 var(--dancheong-red, #FF5470);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.knd-english-reading {
    padding: clamp(15px, 4vw, 20px);
    background: rgba(0, 168, 132, 0.1);
    border: 3px solid var(--celadon-green, #00A884);
    border-radius: 8px;
    text-align: center;
    box-shadow: 3px 3px 0 var(--celadon-green, #00A884);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.knd-reading-label {
    font-size: clamp(0.8rem, 2.5vw, 1rem);
    color: var(--kp-text-primary, #111111);
    margin-bottom: clamp(8px, 2vw, 10px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: clamp(0.5px, 0.2vw, 1px);
}

.knd-korean-numeric {
    font-size: clamp(1rem, 3.5vw, 1.3rem);
    color: var(--kp-text-primary, #111111);
    margin-bottom: clamp(8px, 2vw, 10px);
    font-weight: 600;
    font-family: 'Noto Sans KR', monospace;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
}

.knd-reading-text {
    font-size: clamp(1rem, 3.5vw, 1.4rem);
    color: var(--kp-text-primary, #111111);
    font-weight: 500;
    font-family: 'Noto Sans KR', sans-serif;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
    hyphens: auto;
}

.knd-english-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===========================
   Color Chunks
   =========================== */

.knd-chunk-il {
    background: rgba(0, 168, 132, 0.15);
    color: var(--celadon-green, #00A884);
    padding: clamp(1px, 0.5vw, 2px) clamp(2px, 1vw, 4px);
    border-radius: 4px;
    font-weight: 600;
}

.knd-chunk-cheon {
    background: rgba(255, 193, 7, 0.15);
    color: var(--dispatch-yellow, #FFC107);
    padding: clamp(1px, 0.5vw, 2px) clamp(2px, 1vw, 4px);
    border-radius: 4px;
    font-weight: 600;
}

.knd-chunk-man {
    background: rgba(75, 144, 255, 0.15);
    color: var(--dancheong-blue, #4B90FF);
    padding: clamp(1px, 0.5vw, 2px) clamp(2px, 1vw, 4px);
    border-radius: 4px;
    font-weight: 600;
}

.knd-chunk-eok {
    background: rgba(156, 39, 176, 0.15);
    color: #9c27b0;
    padding: clamp(1px, 0.5vw, 2px) clamp(2px, 1vw, 4px);
    border-radius: 4px;
    font-weight: 600;
}

.knd-chunk-jo {
    background: rgba(255, 84, 112, 0.15);
    color: var(--dancheong-red, #FF5470);
    padding: clamp(1px, 0.5vw, 2px) clamp(2px, 1vw, 4px);
    border-radius: 4px;
    font-weight: 600;
}

.knd-chunk-gyeong {
    background: rgba(255, 152, 0, 0.15);
    color: #FF9800;
    padding: clamp(1px, 0.5vw, 2px) clamp(2px, 1vw, 4px);
    border-radius: 4px;
    font-weight: 600;
}

/* ===========================
   Color Schemes
   =========================== */

/* Minimal Color Scheme */
.knd-scheme-minimal .knd-tool {
    border-color: #e5e7eb;
    box-shadow: 2px 2px 0 #e5e7eb;
}

.knd-scheme-minimal .knd-title {
    border-color: #e5e7eb;
}

.knd-scheme-minimal .knd-toggle-btn.active {
    background: #374151;
    box-shadow: 2px 2px 0 #374151;
}

.knd-scheme-minimal .knd-korean-reading,
.knd-scheme-minimal .knd-english-reading {
    border-color: #e5e7eb;
    box-shadow: 2px 2px 0 #e5e7eb;
}

/* Colorful Color Scheme */
.knd-scheme-colorful .knd-tool {
    background: linear-gradient(135deg, #fef3c7 0%, #ddd6fe 100%);
}

.knd-scheme-colorful .knd-toggle-btn.active {
    background: linear-gradient(135deg, #f59e0b 0%, #8b5cf6 100%);
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablet and Desktop */
@media (min-width: 600px) {
    .knd-reading-section {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile Optimizations */
@media (max-width: 480px) {
    .knd-tool {
        margin: 5px;
        border-radius: 10px;
        padding: 15px;
    }
    
    .knd-logo {
        width: 30px;
        height: 30px;
        top: 8px;
        right: 8px;
    }
    
    .knd-title {
        padding-right: 40px;
    }
    
    .knd-title h2 {
        font-size: 1.2rem;
    }
    
    .knd-toggle-btn {
        font-size: 0.7rem;
        padding: 12px 8px;
        min-height: 40px;
    }
    
    .knd-display {
        font-size: 1rem;
        padding: 10px;
    }
    
    .knd-reading-text,
    .knd-korean-numeric {
        font-size: 0.9rem;
    }
    
    .knd-input {
        font-size: 1rem;
        padding: 12px;
    }
}

/* Very Small Screens */
@media (max-width: 320px) {
    .knd-tool {
        padding: 12px;
        margin: 3px;
    }
    
    .knd-toggle-btn {
        font-size: 0.65rem;
        padding: 10px 6px;
    }
    
    .knd-display {
        font-size: 0.9rem;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .knd-tool {
        padding: 15px;
    }
    
    .knd-title {
        margin-bottom: 15px;
    }
    
    .knd-input-section {
        margin-bottom: 15px;
    }
    
    .knd-reading-section {
        gap: 10px;
    }
}

/* Large Screens */
@media (min-width: 1200px) {
    .knd-wrapper {
        max-width: 900px;
    }
    
    .knd-reading-section {
        gap: 25px;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .knd-logo {
        background-size: contain;
    }
}

/* Print Styles */
@media print {
    .knd-tool {
        box-shadow: none;
        border: 2px solid #111111;
    }
    
    .knd-logo {
        display: none;
    }
    
    .knd-input-toggle {
        display: none;
    }
}

/* ===========================
   Accessibility
   =========================== */

.knd-wrapper :focus-visible {
    outline: 2px solid var(--celadon-green, #00A884);
    outline-offset: 2px;
}

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

/* Dark Mode Support */
html.dark .knd-wrapper {
    color: var(--kp-text-primary);
}

html.dark .knd-tool {
    background: var(--kp-surface-primary);
    border-color: var(--kp-border-primary);
    box-shadow: 6px 6px 0 var(--kp-border-primary);
}

html.dark .knd-title {
    border-color: var(--kp-border-primary);
}

html.dark .knd-title h2 {
    color: var(--kp-text-primary);
}

html.dark .knd-input {
    background: var(--kp-surface-secondary);
    border-color: var(--kp-border-primary);
    color: var(--kp-text-primary);
}

html.dark .knd-input::placeholder {
    color: var(--kp-text-tertiary);
}

html.dark .knd-display {
    background: var(--kp-surface-secondary);
    border-color: var(--kp-border-primary);
    color: var(--kp-text-primary);
}

html.dark .knd-korean-reading {
    background: rgba(255, 84, 112, 0.2);
    border-color: var(--dancheong-red);
}

html.dark .knd-english-reading {
    background: rgba(0, 168, 132, 0.2);
    border-color: var(--celadon-green);
}

html.dark .knd-reading-label,
html.dark .knd-korean-numeric,
html.dark .knd-reading-text {
    color: var(--kp-text-primary);
}

html.dark .knd-chunk-il {
    background: rgba(0, 168, 132, 0.25);
    color: var(--celadon-green);
}

html.dark .knd-chunk-cheon {
    background: rgba(255, 193, 7, 0.25);
    color: var(--dispatch-yellow);
}

html.dark .knd-chunk-man {
    background: rgba(75, 144, 255, 0.25);
    color: var(--dancheong-blue);
}

html.dark .knd-chunk-eok {
    background: rgba(156, 39, 176, 0.25);
    color: #bb86fc;
}

html.dark .knd-chunk-jo {
    background: rgba(255, 84, 112, 0.25);
    color: var(--dancheong-red);
}

html.dark .knd-chunk-gyeong {
    background: rgba(255, 152, 0, 0.25);
    color: #FF9800;
}