/**
 * Components - 재사용 가능한 컴포넌트
 * Single Responsibility Principle
 */

/* Header */
/* Header */
header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    /* Changed from white to primary text since bg is white now */
    transition: color var(--transition-base);
}

.header-with-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.025em;
    color: var(--primary-color);
    /* Brand color for title */
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Main & Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    /* Reduced base padding to prevent overflow */
    box-shadow: var(--shadow-premium);
    /* Deeper shadow instead of border */
    border: none;
    /* User explicitly requested removing "crude thin borders" */
    margin-bottom: var(--spacing-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

@media (min-width: 768px) {
    .card {
        padding: 2.5rem;
        /* Larger padding only on desktop */
    }
}

.card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

main {
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
    animation: fadeIn var(--transition-base);
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    /* Changed to primary for better visibility in both modes */
    transition: all var(--transition-base);
}

.icon-btn:hover {
    background: var(--bg-color);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

body.dark-mode .moon-icon {
    display: none;
}

body.dark-mode .sun-icon {
    display: block;
    color: #fbbf24;
    /* Yellow/gold color for visibility in dark mode */
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.5));
}

body:not(.dark-mode) .sun-icon {
    display: none;
}

body:not(.dark-mode) .moon-icon {
    display: block;
}

/* Buttons */
.btn {
    padding: 1rem 1.5rem;
    border: none;
    /* No borders on buttons */
    border-radius: var(--radius-full);
    /* Pillow shape is more modern/stable */
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    min-height: 54px;
    /* Ensure button has height */
    width: 100%;
    /* Prevent breaking by taking full width */
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(0.8);
    /* Desaturate instead of overriding color completely */
    box-shadow: none;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    /* Brighter Blue Gradient */
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    /* Subtle inner border */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    /* Text depth */
    font-weight: 800;
    /* Bolder text */
    letter-spacing: 0.5px;
    height: 64px;
    /* Even Taller for 'Hero' feel */
    font-size: 1.2rem;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #1e5bb0 0%, #11468c 100%);
    /* Lighter gradient on hover */
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(17, 70, 140, 0.5);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(17, 70, 140, 0.4);
}

/* ... existing btn-danger ... */

/* Input Group - Hero Style */
.input-group {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.input-group input {
    width: 100%;
    max-width: 100%;
    /* Safety to prevent overflow */
    box-sizing: border-box;
    /* Explicitly ensure padding is included */
    height: 60px;
    padding: 0 60px 0 24px;
    font-size: 1.125rem;
    background: var(--input-bg);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.input-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(17, 70, 140, 0.1), var(--shadow-lg);
}

/* Clear Button adjusted for Hero Input */
.clear-btn {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: #f1f5f9;
    color: var(--text-secondary);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.clear-btn:hover {
    background: var(--danger-color);
    opacity: 1;
}

/* Platform Indicator */
.platform-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-color);
    /* Inner contrast */
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-base);
}

.platform-icon {
    font-size: 1.5rem;
}

.platform-name {
    font-weight: 600;
    color: var(--primary-color);
}

/* Platform Grid (Card Style) */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.platform-item {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    /* Very subtle grey/dark contrast */
    border-radius: var(--radius-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
    /* Added border back for visibility in dark mode */
}

.platform-item:hover {
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    /* Only shadow, no border */
}

.platform-title {
    font-weight: 600;
    color: var(--text-primary);
}

.platform-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Progress Bar */
.progress-section {
    margin-top: var(--spacing-lg);
}

.progress-text {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg,
            var(--primary-color),
            var(--secondary-color));
    transition: width var(--transition-base);
    width: 0%;
}

/* Download Result */
.download-result {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--secondary-color);
    border-radius: var(--radius-md);
    text-align: center;
}

.result-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.result-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--secondary-color);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.download-link:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Error Message */
.error-message {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger-color);
    border-radius: var(--radius-md);
}

.error-icon {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.error-text {
    color: var(--danger-color);
    font-weight: 500;
    text-align: center;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn var(--transition-fast);
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 1001;
    animation: slideUp var(--transition-base);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    background: none;
    border: none;
    transition: color var(--transition-fast);
}

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

body.dark-mode .modal-close {
    color: white;
    /* Force white in dark mode */
}