/* AI FAQ Generator - Styles */

:root {
    --faq-primary: #059669;
    --faq-dark: #064e3b;
    --faq-light: #d1fae5;
    --faq-gradient: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: #1a2332;
        --text-primary: #e2e8f0;
        --text-secondary: #94a3b8;
        --border-color: #2d3748;
        --faq-light: rgba(5, 150, 105, 0.15);
    }
}

/* ── Hero ── */
.faq-hero {
    background: linear-gradient(135deg, #064e3b 0%, #059669 55%, #34d399 100%);
    background-size: 200% 200%;
    animation: heroShift 10s ease infinite;
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem;
    text-align: center;
    color: white;
}

.faq-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(52,211,153,0.2) 0%, transparent 70%);
    animation: float 12s ease-in-out infinite;
}

.faq-hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    animation: float 18s ease-in-out infinite reverse;
}

@keyframes heroShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-25px) scale(1.04); }
}

.faq-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.faq-hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    opacity: 0.9;
    max-width: 620px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ── Main Layout ── */
.faq-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 2rem;
    align-items: start;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Panels ── */
.input-panel,
.output-panel {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 1.75rem;
    border: 1px solid var(--border-color);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* ── Form Fields ── */
.field-group {
    margin-bottom: 1.25rem;
}

.field-group label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.optional {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.char-count {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.field-group input[type="text"],
.field-group select,
.field-group textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--card-bg);
    transition: var(--transition);
    box-sizing: border-box;
}

.field-group input[type="text"]:focus,
.field-group select:focus,
.field-group textarea:focus {
    outline: none;
    border-color: var(--faq-primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.12);
}

.field-group textarea {
    resize: vertical;
    min-height: 160px;
    line-height: 1.65;
}

.quick-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.quick-btn {
    padding: 0.3rem 0.7rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.quick-btn:hover {
    border-color: var(--faq-primary);
    color: var(--faq-primary);
}

/* ── Settings Row ── */
.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ── Count Buttons ── */
.count-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.count-btn {
    padding: 0.5rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    text-align: center;
}

.count-btn:hover {
    border-color: var(--faq-primary);
    color: var(--faq-primary);
}

.count-btn.active {
    background: var(--faq-gradient);
    border-color: var(--faq-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.35);
}

/* ── Action Buttons ── */
.action-buttons {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.generate-btn {
    padding: 0.85rem 1.5rem;
    background: var(--faq-gradient);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.generate-btn:hover:not(:disabled) {
    box-shadow: 0 4px 16px rgba(5, 150, 105, 0.4);
    transform: translateY(-1px);
}

.generate-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.sample-btn {
    padding: 0.85rem 1rem;
    background: transparent;
    color: var(--faq-primary);
    border: 1.5px solid var(--faq-primary);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.sample-btn:hover {
    background: rgba(5, 150, 105, 0.06);
}

.clear-btn {
    padding: 0.35rem 0.75rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.clear-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

.regenerate-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    background: transparent;
    color: var(--faq-primary);
    border: 1.5px solid var(--faq-primary);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.regenerate-btn:hover {
    background: rgba(5, 150, 105, 0.06);
}

/* ── Output States ── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3.5rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    min-height: 320px;
}

.empty-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0.45;
}

.empty-state p { margin: 0.25rem 0; font-size: 0.95rem; }
.empty-hint { font-size: 0.82rem !important; opacity: 0.7; }

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3.5rem 1.5rem;
    gap: 1rem;
    color: var(--text-secondary);
    min-height: 320px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--faq-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ── FAQ Output ── */
.faq-output {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-output.slide-in {
    animation: slideIn 0.4s ease;
}

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

.faq-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.faq-item {
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--faq-primary);
    box-shadow: 0 2px 8px rgba(5,150,105,0.1);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--faq-light);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
    cursor: pointer;
    user-select: none;
}

.faq-question .toggle-icon {
    margin-left: auto;
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--faq-primary);
    transition: transform 0.2s ease;
    padding-top: 2px;
}

.faq-item.open .toggle-icon {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0.85rem 1rem 0.85rem calc(1rem + 28px);
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
}

.faq-item.open .faq-answer {
    display: block;
}

.q-badge, .a-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 1px;
}

.q-badge {
    background: var(--faq-primary);
    color: white;
}

.a-badge {
    background: var(--border-color);
    color: var(--text-secondary);
}

/* ── Output Actions ── */
.output-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.action-btn-sm {
    padding: 0.65rem;
    background: transparent;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    text-align: center;
}

.action-btn-sm:hover {
    border-color: var(--faq-primary);
    color: var(--faq-primary);
    background: rgba(5,150,105,0.04);
}

/* ── Toast ── */
.feedback-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #1e293b;
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 1000;
    white-space: nowrap;
}

.feedback-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.feedback-toast.error { background: #dc2626; }

/* ── Mobile ── */
@media (max-width: 900px) {
    .faq-container {
        grid-template-columns: 1fr;
        padding: 1.25rem;
    }

    .settings-row {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        grid-template-columns: 1fr;
    }

    .output-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .faq-hero { padding: 2.5rem 1rem; }
    .input-panel, .output-panel { padding: 1.25rem; }
    .count-grid { grid-template-columns: repeat(4, 1fr); }
}