/**
 * debug-density.css
 * 밀집도 로직 검증 디버그 페이지 스타일
 */

.debug-density-page {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.debug-surface {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 페이지 헤더 */
.page-header {
    margin-bottom: 1rem;
}

.page-header__meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.breadcrumbs {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
}

.title {
    font-size: 2rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.subtitle {
    font-size: 1rem;
    color: #6b7280;
    margin: 0;
}

/* 검증 컨테이너 */
.verification-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
}

/* 카드 스타일 */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin: 0 0 0.5rem 0;
}

.card-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* 폼 스타일 */
.verification-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

.field input,
.field select {
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus {
    outline: none;
    border-color: #0f62fe;
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.1);
}

.field-helper {
    font-size: 0.75rem;
    color: #6b7280;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

/* 버튼 스타일 */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn--primary {
    background: #0f62fe;
    color: white;
}

.btn--primary:hover:not(:disabled) {
    background: #0050e6;
}

.btn--ghost {
    background: #f3f4f6;
    color: #374151;
}

.btn--ghost:hover:not(:disabled) {
    background: #e5e7eb;
}

/* 결과 카드 */
.result-card {
    animation: slideIn 0.3s ease-out;
}

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

.result-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 메트릭 그리드 */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.metric-card {
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.metric-card--highlight {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: #93c5fd;
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #6b7280;
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.metric-value--large {
    font-size: 2rem;
}

.metric-value--success {
    color: #059669;
}

.metric-value--warning {
    color: #d97706;
}

.metric-value--danger {
    color: #dc2626;
}

.result-message {
    padding: 1rem;
    background: #ecfdf5;
    border-left: 4px solid #10b981;
    border-radius: 8px;
}

.result-message p {
    margin: 0;
    color: #047857;
    font-weight: 500;
}

/* 에러 결과 */
.result-content--error {
    align-items: center;
    text-align: center;
    padding: 2rem 0;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #dc2626;
    margin: 0 0 1rem 0;
}

.error-message {
    font-size: 1rem;
    color: #6b7280;
    margin: 0 0 1.5rem 0;
    max-width: 600px;
}

.error-details {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.error-details h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #991b1b;
    margin: 0 0 1rem 0;
}

.error-details-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 1rem;
    margin: 0;
}

.error-details-list dt {
    font-weight: 500;
    color: #7f1d1d;
}

.error-details-list dd {
    margin: 0;
    color: #991b1b;
    font-family: monospace;
}

/* 로딩 오버레이 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: white;
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

/* 반응형 */
@media (max-width: 768px) {
    .debug-density-page {
        padding: 1rem;
    }

    .title {
        font-size: 1.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metric-value {
        font-size: 1.25rem;
    }

    .metric-value--large {
        font-size: 1.5rem;
    }
}