/**
 * 이미지 프록시 & 변환기 스타일
 */

.tool-page {
    background: var(--bg-primary);
    min-height: calc(100vh - 140px);
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    padding: 1.5rem;
}

/* 컴팩트 옵션 섹션 */
#optionsSection .card-header {
    padding: 0.5rem 1rem;
}

#optionsSection .card-body {
    padding: 0.75rem 1rem;
}

#optionsSection .form-label.small {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

#optionsSection .form-control-sm {
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
}

#optionsSection .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

#optionsSection .form-control-color-sm {
    width: 40px;
    height: 30px;
    padding: 1px;
}

#optionsSection .input-group-sm .form-control {
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
}

#optionsSection .form-check-label.small {
    font-size: 0.75rem;
}

.form-control,
.form-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color-light);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.form-check-label {
    color: var(--text-primary) !important;
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--border-color-light);
}

.form-check-input:checked {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.form-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: #fff;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline-primary {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.btn-outline-secondary {
    border-color: var(--border-color-medium);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color-medium);
    color: var(--text-primary);
}

.btn-check:checked + .btn-outline-primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

#previewImage {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

#previewImage:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.font-monospace {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.input-group .form-control {
    border-right: none;
}

.input-group .btn {
    border-left: none;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color-light);
    color: var(--text-secondary);
}

.input-group .btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.form-control-color {
    width: 60px;
    height: 38px;
    padding: 2px;
    border: 1px solid var(--border-color-light);
    border-radius: 6px;
    cursor: pointer;
}

#imageInfo {
    margin-top: 1rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
}

/* 로딩 상태 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 사용 방법 섹션 스타일 (다크 테마) */
.usage-title {
    color: var(--accent-primary) !important;
}

.usage-text {
    color: var(--text-secondary) !important;
}

.usage-subtitle {
    color: var(--accent-primary) !important;
}

.usage-code {
    color: var(--accent-primary-light) !important;
    background: rgba(6, 182, 212, 0.1) !important;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.usage-desc {
    color: var(--text-muted) !important;
}

.usage-label {
    color: var(--accent-warning) !important;
}

.usage-code-block {
    background: rgba(0, 0, 0, 0.3) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
}

.usage-code-block code {
    color: var(--accent-primary-light) !important;
    background: transparent !important;
    padding: 0;
}

.usage-alert {
    background: rgba(6, 182, 212, 0.1) !important;
    border: 1px solid rgba(6, 182, 212, 0.3) !important;
    color: var(--text-secondary) !important;
}

.usage-alert strong {
    color: var(--accent-primary) !important;
}

.usage-alert code {
    color: var(--accent-primary-light) !important;
    background: rgba(6, 182, 212, 0.15) !important;
}

.usage-alert ul {
    color: var(--text-secondary) !important;
}

.usage-alert li {
    color: var(--text-secondary) !important;
}

/* Accordion 스타일 (다크 테마) */
.accordion-item {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

.accordion-button {
    background: rgba(255, 255, 255, 0.02) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.accordion-button:not(.collapsed) {
    background: rgba(6, 182, 212, 0.1) !important;
    color: var(--accent-primary) !important;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(6, 182, 212, 0.25) !important;
}

.accordion-body {
    background: rgba(0, 0, 0, 0.2) !important;
    color: var(--text-secondary) !important;
}

/* 반응형 */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        border-radius: 6px !important;
        margin-bottom: 0.5rem;
    }
}