/* ============================================================
   ai-chat.css
   Scoped styles for /ai-chat.php
   Does NOT override global.css
   ============================================================ */

/* ── Hero ──────────────────────────────────────────────────── */
.aic-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 60%, #6366f1 100%);
  padding: 72px 0 80px;
  text-align: center;
  color: #fff;
}

.aic-hero__orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.aic-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.18;
  animation: orbFloat 8s ease-in-out infinite alternate;
}

.aic-orb--1 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, #a78bfa, transparent 70%);
  top: -120px;
  left: -80px;
}

.aic-orb--2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #f472b6, transparent 70%);
  bottom: -100px;
  right: -60px;
  animation-delay: -4s;
}

@keyframes orbFloat {
  from {
    transform: translate(0, 0) scale(1);
  }

  to {
    transform: translate(20px, -20px) scale(1.06);
  }
}

.aic-hero__inner {
  position: relative;
  z-index: 1;
}

.aic-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  padding: 6px 18px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-5);
}

.aic-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: var(--weight-black);
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.aic-hero__title .highlight {
  background: linear-gradient(90deg, #fde68a, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.aic-hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 600px;
  margin: 0 auto var(--space-6);
  line-height: 1.65;
}

/* Usage badge */
.aic-usage-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  padding: 7px 18px;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.92);
  font-weight: var(--weight-medium);
}

.aic-usage-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fcd34d;
  display: inline-block;
  animation: pulse 1.8s ease-in-out infinite;
}

.aic-usage-dot--green {
  background: #34d399;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

/* ── Tool Card ──────────────────────────────────────────────── */
.aic-tool {
  padding: 60px 0 48px;
  background: var(--color-bg);
}

.aic-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto;
}

/* Input area */
.aic-input-area {
  margin-bottom: var(--space-6);
}

.aic-label {
  display: block;
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.aic-input-row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.aic-input-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
}

.aic-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 16px;
  color: var(--color-text-muted);
}

.aic-input {
  width: 100%;
  height: 54px;
  padding: 0 var(--space-5) 0 44px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-surface);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}

.aic-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}

.aic-input::placeholder {
  color: var(--color-text-muted);
}

.aic-generate-btn {
  height: 54px;
  padding: 0 28px;
  flex-shrink: 0;
  white-space: nowrap;
}

.aic-btn-text,
.aic-btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Ensure [hidden] always hides — overrides any display rule above */
.aic-generate-btn [hidden] {
  display: none !important;
}

.aic-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.75s linear infinite;
}

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

.aic-input-hint {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── Error / alerts ────────────────────────────────────────── */
.aic-error-banner {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  color: #dc2626;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-5);
}

/* ── Signup CTA (limit reached) ────────────────────────────── */
.aic-signup-cta {
  text-align: center;
  padding: 40px var(--space-6);
  background: linear-gradient(135deg, #f0f4ff 0%, #faf0ff 100%);
  border-radius: var(--radius-lg);
  border: 2px dashed #c7d2fe;
  margin-top: var(--space-6);
}

.aic-signup-cta__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.aic-signup-cta h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.aic-signup-cta p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  max-width: 420px;
  margin-inline: auto;
}

.aic-login-link {
  display: block;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: underline;
}

.aic-login-link:hover {
  color: var(--color-primary);
}

/* ── Results ───────────────────────────────────────────────── */
.aic-results {
  margin-top: var(--space-8);
  animation: fadeUp 0.4s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.aic-results__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-6);
}

.aic-results__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.aic-results__count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

/* Topics grid */
.aic-topics-grid {
  display: grid;
  gap: var(--space-4);
}

/* Topic card */
.aic-topic-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  animation: fadeUp 0.35s ease both;
}

.aic-topic-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.aic-topic-card__num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: #fff;
  margin-top: 2px;
}

.aic-topic-card__text {
  flex: 1;
  min-width: 0;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  line-height: 1.5;
}

.aic-topic-card__copy {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.aic-topic-card__copy:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.06);
}

.aic-topic-card__copy.copied {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(16, 185, 129, 0.08);
}

/* Staggered animation delay */
.aic-topic-card:nth-child(1) {
  animation-delay: 0.02s;
}

.aic-topic-card:nth-child(2) {
  animation-delay: 0.05s;
}

.aic-topic-card:nth-child(3) {
  animation-delay: 0.08s;
}

.aic-topic-card:nth-child(4) {
  animation-delay: 0.11s;
}

.aic-topic-card:nth-child(5) {
  animation-delay: 0.14s;
}

.aic-topic-card:nth-child(6) {
  animation-delay: 0.17s;
}

.aic-topic-card:nth-child(7) {
  animation-delay: 0.20s;
}

.aic-topic-card:nth-child(8) {
  animation-delay: 0.23s;
}

.aic-topic-card:nth-child(9) {
  animation-delay: 0.26s;
}

.aic-topic-card:nth-child(10) {
  animation-delay: 0.29s;
}

/* ── Info row ───────────────────────────────────────────────── */
.aic-info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: 860px;
  margin: var(--space-10) auto 0;
}

.aic-info-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.aic-info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.aic-info-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.aic-info-card h3 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.aic-info-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Features ──────────────────────────────────────────────── */
.aic-features {
  padding: 80px 0;
  background: var(--color-surface);
  text-align: center;
}

.aic-features__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
}

.aic-features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: left;
}

.aic-feature-card {
  padding-left: 20px;
  border-left: 2px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
}

.aic-feature-card--green {
  border-left-color: #10b981;
}

.aic-feature-card--red {
  border-left-color: #ef4444;
}

.aic-feature-card--blue {
  border-left-color: #3b82f6;
}

.aic-feature-card--yellow {
  border-left-color: #f59e0b;
}

.aic-feature-card__icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.aic-feature-card--green .aic-feature-card__icon-box {
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.aic-feature-card--red .aic-feature-card__icon-box {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.aic-feature-card--blue .aic-feature-card__icon-box {
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.1);
}

.aic-feature-card--yellow .aic-feature-card__icon-box {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

.aic-feature-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.aic-feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 992px) {
  .aic-features__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px var(--space-6);
  }
}

@media (max-width: 576px) {
  .aic-features__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ── How it works ──────────────────────────────────────────── */
.aic-how {
  padding: 60px 0 80px;
  background: var(--color-surface-alt);
  text-align: center;
}

.aic-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.aic-step {
  flex: 1;
  min-width: 180px;
  max-width: 240px;
}

.aic-step__num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: var(--text-xl);
  font-weight: var(--weight-extrabold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.aic-step h3 {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-2);
}

.aic-step p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.aic-step__arrow {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .aic-card {
    padding: 28px 20px;
  }

  .aic-input-row {
    flex-direction: column;
  }

  .aic-generate-btn {
    width: 100%;
    height: 50px;
  }

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

  .aic-step__arrow {
    display: none;
  }

  .aic-results__header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .aic-hero {
    padding: 52px 0 60px;
  }

  .aic-topic-card__copy {
    width: 100%;
    justify-content: center;
  }
}

/* ── Result Card (Search Layout) ────────────────────────────── */
.aic-result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.4s ease both;
}

.aic-result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

#aic-card-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

#aic-card-summary {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

#aic-card-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}

#aic-card-bullets li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.5;
}

#aic-card-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* ── Chat Messages ─────────────────────────────────────────── */
.aic-chat-messages {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.aic-chat-msg {
  max-width: 85%;
  font-size: var(--text-base);
  line-height: 1.6;
  animation: fadeUp 0.3s ease both;
}

.aic-chat-msg--user {
  align-self: flex-end;
  background: #f1f5f9;
  color: var(--color-text-primary);
  padding: 12px 20px;
  border-radius: 20px;
  font-weight: 500;
}

.aic-chat-msg--ai {
  align-self: flex-start;
  background: transparent;
  color: var(--color-text-primary);
  padding: 12px 0px;
  border: none;
  box-shadow: none;
}

.aic-chat-msg--ai .aic-topic-card__copy {
  margin-top: 12px;
}

/* ── FAQ Section ───────────────────────────────────────────── */
.aic-faq {
  padding: 60px 0 80px;
  background: var(--color-surface);
}

.aic-faq__inner {
  max-width: 800px;
  margin: 0 auto;
}

.aic-faq__list {
  display: flex;
  flex-direction: column;
}

.aic-faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.aic-faq-item:first-child {
  border-top: 1px solid var(--color-border-light);
}

.aic-faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  /* remove default arrow */
  transition: color var(--transition-base);
}

/* Remove default marker in webkit/blink */
.aic-faq-summary::-webkit-details-marker {
  display: none;
}

.aic-faq-summary:hover {
  color: var(--color-primary);
}

.aic-faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
}

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

.aic-faq-content {
  padding-bottom: 24px;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  animation: fadeUp 0.3s ease-out;
}