/* AfriDialEval — Styles */

:root {
    --bg: #f8f9fa;
    --card: #ffffff;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --error: #ef4444;
    --speaker-a: #dbeafe;
    --speaker-b: #fef3c7;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}
header h1 { font-size: 1.25rem; }
.header-right { display: flex; align-items: center; gap: 1rem; }
.header-right a { color: var(--primary); text-decoration: none; }

/* Dialogue top bar (prev/next) */
.dialogue-topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.75rem 2rem; background: var(--card);
    border-bottom: 1px solid var(--border);
}
.topbar-left, .topbar-right { min-width: 180px; }
.topbar-right { text-align: right; }
.topbar-center { text-align: center; }
.topbar-center strong { display: block; font-size: 1rem; }
.topbar-center .task-label { font-size: 0.85rem; color: var(--muted); }
.btn-next-nav, .btn-back {
    display: inline-block; padding: 0.4rem 1rem; border-radius: 4px;
    text-decoration: none; font-size: 0.9rem; font-weight: 600;
}
.btn-next-nav { background: var(--primary); color: white; }
.btn-next-nav:hover { background: var(--primary-dark); }
a.btn-back { background: var(--border); color: var(--text); text-decoration: none; }
a.btn-back:hover { background: #cbd5e1; }
.btn-disabled {
    display: inline-block; padding: 0.4rem 1rem; border-radius: 4px;
    font-size: 0.9rem; color: #cbd5e1; cursor: not-allowed;
}
.status-badge {
    display: inline-block; padding: 0.2rem 0.6rem; border-radius: 12px;
    font-size: 0.8rem; font-weight: 600;
}
.status-badge.completed { background: #ecfdf5; color: var(--success); }
.status-badge.pending { background: #fef3c7; color: #92400e; }

/* Container */
.container { max-width: 1200px; margin: 2rem auto; padding: 0 2rem; }

/* Login */
.login-container {
    max-width: 400px;
    margin: 10vh auto;
    padding: 2rem;
    background: var(--card);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.login-container h1 { text-align: center; margin-bottom: 0.25rem; }
.subtitle { text-align: center; color: var(--muted); margin-bottom: 1.5rem; }
.login-container label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.login-container input {
    width: 100%; padding: 0.5rem; margin-bottom: 1rem;
    border: 1px solid var(--border); border-radius: 4px; font-size: 1rem;
}
.login-container button {
    width: 100%; padding: 0.75rem; border: none; border-radius: 4px;
    background: var(--primary); color: white; font-size: 1rem; cursor: pointer;
}
.login-container button:hover { background: var(--primary-dark); }
.error { background: #fef2f2; color: var(--error); padding: 0.75rem; border-radius: 4px; margin-bottom: 1rem; }

/* Progress bar */
.progress-bar {
    background: var(--card);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.task-label { font-weight: 600; color: var(--text); }

/* Steps */
.step {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}
.step h2 { margin-bottom: 0.5rem; }
.instruction { color: var(--muted); margin-bottom: 1rem; }
.hidden { display: none !important; }

/* Dialogue trio layout (3 columns) */
.dialogue-trio { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.dialogue-box {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
}
.dialogue-box h3 { margin-bottom: 0.75rem; font-size: 1rem; color: var(--muted); }

/* Turns */
.turn { padding: 0.5rem 0.75rem; border-radius: 4px; margin-bottom: 0.5rem; }
.turn-0 { background: var(--speaker-a); }
.turn-1 { background: var(--speaker-b); }
.turn-num { font-weight: 700; margin-right: 0.5rem; color: var(--muted); font-size: 0.85rem; }
.speaker { font-weight: 700; margin-right: 0.5rem; }

/* Ratings */
.rating-trio { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; margin-bottom: 1rem; }
.rating-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 1rem; }
.rating-group label { font-weight: 600; display: block; margin-bottom: 0.5rem; }
.rating-group select {
    width: 100%; padding: 0.5rem; border: 1px solid var(--border);
    border-radius: 4px; font-size: 1rem;
}
.radio-group { display: flex; gap: 1rem; }
.radio-label { display: flex; align-items: center; gap: 0.25rem; cursor: pointer; }

/* Preference cards */
.preference-group {
    display: flex; gap: 1rem; justify-content: center; margin: 1rem 0;
}
.radio-card {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem; border: 2px solid var(--border); border-radius: 8px;
    cursor: pointer; transition: border-color 0.2s;
}
.radio-card:has(input:checked) { border-color: var(--primary); background: #eff6ff; }
.radio-card input { accent-color: var(--primary); }
.checkbox-card {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem; border: 2px solid var(--border); border-radius: 8px;
    cursor: pointer; transition: border-color 0.2s;
}
.checkbox-card:has(input:checked) { border-color: var(--primary); background: #eff6ff; }
.checkbox-card input { accent-color: var(--primary); }

/* Edit turns */
.edit-controls { display: flex; gap: 1.5rem; margin-bottom: 1rem; }
.edit-turn {
    display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.5rem;
}
.speaker-label { font-weight: 700; padding-top: 0.5rem; min-width: 1.5rem; }
.edit-turn textarea {
    flex: 1; padding: 0.5rem; border: 1px solid var(--border);
    border-radius: 4px; font-size: 0.9rem; resize: vertical;
}

/* Step navigation */
.step-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; }

/* Buttons */
.btn-next, .btn-back, .btn-submit {
    display: inline-block; padding: 0.6rem 1.5rem; border: none;
    border-radius: 4px; font-size: 1rem; cursor: pointer;
}
.btn-next { background: var(--primary); color: white; }
.btn-next:hover { background: var(--primary-dark); }
.btn-back { background: var(--border); color: var(--text); }
.btn-back:hover { background: #cbd5e1; }
.btn-submit { background: var(--success); color: white; font-weight: 600; font-size: 1.1rem; }
.btn-submit:hover { filter: brightness(0.9); }

/* Done message */
.done-message { text-align: center; padding: 4rem 2rem; }

/* Admin */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.stat-card {
    background: var(--card); padding: 1.5rem; border-radius: 8px;
    border: 1px solid var(--border); text-align: center;
}
.stat-card h3 { font-size: 2rem; color: var(--primary); }
.stat-card p { color: var(--muted); }
.admin-table {
    width: 100%; border-collapse: collapse; background: var(--card);
    border-radius: 8px; overflow: hidden; border: 1px solid var(--border);
}
.admin-table th, .admin-table td { padding: 0.75rem 1rem; text-align: left; }
.admin-table th { background: var(--bg); font-weight: 600; }
.admin-table tr:not(:last-child) td { border-bottom: 1px solid var(--border); }
.admin-table.compact { margin-top: 0.75rem; }
.admin-table.compact th, .admin-table.compact td { padding: 0.5rem 0.75rem; font-size: 0.9rem; }

/* Annotation data cards */
.annotation-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 8px;
    margin-bottom: 1.5rem; overflow: hidden;
}
.annotation-header {
    padding: 0.75rem 1rem; background: var(--bg); border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.annotation-meta { font-size: 0.85rem; color: var(--muted); }
.annotation-body { padding: 1rem; }
.annotation-judgments {
    display: flex; gap: 2rem; margin-bottom: 0.75rem; font-size: 0.95rem;
}
.edit-details { margin-top: 0.75rem; }
.edit-details summary {
    cursor: pointer; font-weight: 600; color: var(--primary); font-size: 0.9rem;
}
.edit-comparison { margin-top: 0.5rem; }
.edit-row { padding: 0.4rem 0; font-size: 0.9rem; }
.edit-row .turn-label { font-weight: 600; color: var(--muted); margin-right: 0.5rem; }
.edit-row.changed { background: #fefce8; padding: 0.5rem; border-radius: 4px; margin-bottom: 0.25rem; }
.edit-row .original { color: #dc2626; text-decoration: line-through; margin-left: 1.5rem; }
.edit-row .edited { color: #16a34a; margin-left: 1.5rem; }
.edit-row .unchanged { color: var(--muted); display: inline; }

@media (max-width: 768px) {
    .dialogue-trio, .rating-trio, .rating-row, .stats-grid { grid-template-columns: 1fr; }
    .preference-group { flex-direction: column; align-items: stretch; }
}