@import url('theme.css');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--c-font-family);
    background: var(--c-bg-body);
    color: var(--c-text);
    min-height: 100vh;
    color-scheme: dark;
}

.navbar {
    background: var(--c-bg-sidebar);
    border-bottom: 1px solid var(--c-border-subtle);
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-content {
    display: flex;
    align-items: center;
    height: 56px;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-icon {
    width: 28px;
    height: 28px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--c-text);
}

.back-btn {
    margin-left: auto;
    color: var(--c-text-secondary);
    text-decoration: none;
    font-size: 14px;
}

.back-btn:hover {
    color: var(--c-text);
}

.navbar-info {
    font-size: 13px;
    color: var(--c-text-muted);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 16px 80px;
}

.session-header {
    margin-bottom: 24px;
}

.session-meta {
    font-size: 13px;
    color: var(--c-text-muted);
}

.question-card {
    background: var(--c-bg-surface);
    border: 1px solid var(--c-border-subtle);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.question-card.is-submitted {
    border-color: var(--c-border);
    opacity: 0.92;
}

.question-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.question-number {
    font-size: 13px;
    font-weight: 600;
    color: var(--c-accent);
    min-width: 20px;
}

.difficulty-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--c-bg-raised);
    border: 1px solid var(--c-border);
    color: var(--c-text-secondary);
}

.difficulty-badge.easy {
    border-color: var(--c-success);
    color: var(--c-success);
}

.difficulty-badge.medium {
    border-color: var(--c-warning);
    color: var(--c-warning);
}

.difficulty-badge.hard {
    border-color: var(--c-danger);
    color: var(--c-danger);
}

.tech-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--c-bg-raised);
    border: 1px solid var(--c-border);
    color: var(--c-text-muted);
}

.submitted-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--c-success) 18%, transparent);
    color: var(--c-success);
    border: 1px solid color-mix(in srgb, var(--c-success) 40%, transparent);
}

.question-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--c-text);
    margin-bottom: 16px;
    padding: 12px;
    background: var(--c-bg-raised);
    border-radius: 8px;
    border-left: 3px solid var(--c-accent);
}

.answer-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    background: var(--c-bg-raised);
    border: 1px solid var(--c-border);
    border-radius: 8px;
    color: var(--c-text);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border-color 0.15s;
}

.answer-textarea:focus {
    border-color: var(--c-accent);
}

.answer-textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.question-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 12px;
}

.btn {
    padding: 8px 20px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: opacity 0.15s;
}

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

.btn-primary {
    background: var(--c-accent);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.9;
}

.btn-secondary {
    background: var(--c-bg-raised);
    color: var(--c-text);
    border: 1px solid var(--c-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--c-bg-surface);
}

.evaluation-box {
    margin-top: 16px;
    padding: 16px;
    background: var(--c-bg-raised);
    border: 1px solid var(--c-border-subtle);
    border-radius: 8px;
    display: none;
}

.evaluation-box.is-visible {
    display: block;
}

.evaluation-score {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--c-accent);
}

.evaluation-score-label {
    font-size: 14px;
    font-weight: 400;
    color: var(--c-text-muted);
}

.evaluation-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--c-text-secondary);
    margin-bottom: 12px;
    white-space: pre-wrap;
}

.evaluation-section {
    margin-bottom: 8px;
}

.evaluation-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--c-text-muted);
    margin-bottom: 4px;
}

.evaluation-section-list {
    list-style: none;
    padding: 0;
}

.evaluation-section-list li {
    font-size: 13px;
    color: var(--c-text-secondary);
    padding: 2px 0;
    padding-left: 12px;
    position: relative;
}

.evaluation-section-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--c-text-muted);
}

.empty-hint {
    text-align: center;
    padding: 60px 20px;
    color: var(--c-text-muted);
    font-size: 15px;
}