/* =============================================================
   AI Article Summarizer — Widget Styles
   Premium, modern design with customizable CSS variables
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── CSS Custom Properties (injected by JS) ──────────────────── */
.aias-widget {
  --aias-gradient-start: #9333ea;
  --aias-gradient-mid:   #ec4899;
  --aias-gradient-end:   #f97316;
  --aias-accent:         #f97316;
  --aias-accent-hover:   #ea580c;
  --aias-bg:             #ffffff;
  --aias-text:           #1f2937;
  --aias-text-light:     #6b7280;
  --aias-bullet:         #2563eb;
  --aias-radius:         14px;
  --aias-border-w:       2px;
}

/* ── Widget Container ────────────────────────────────────────── */
.aias-widget {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  margin: 28px 0;
  color: var(--aias-text);
  clear: both;
}

/* ─────────────────────────────────────────────────────────────── */
/* ── SEARCH / Q&A SECTION ─────────────────────────────────────── */
/* ─────────────────────────────────────────────────────────────── */

.aias-search-wrap {
  margin-bottom: 12px;
}

/* Gradient-border search box using pseudo-element */
.aias-search-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--aias-radius);
  background: var(--aias-bg);
  z-index: 0;
}
.aias-search-box::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: var(--aias-border-w);
  border-radius: var(--aias-radius);
  background: linear-gradient(135deg,
    var(--aias-gradient-start),
    var(--aias-gradient-mid),
    var(--aias-gradient-end)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: exclude;
  mask-composite: exclude;
  z-index: -1;
  transition: opacity 0.2s;
}
.aias-search-box:focus-within::before {
  opacity: 1;
  filter: brightness(1.15);
}

.aias-search-star {
  font-size: 16px;
  background: linear-gradient(135deg,
    var(--aias-gradient-start),
    var(--aias-gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.aias-question-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--aias-text);
  padding: 0;
}
.aias-question-input::placeholder {
  color: var(--aias-text-light);
}

.aias-search-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  border: none;
  border-radius: 8px;
  background: var(--aias-accent);
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s, transform 0.1s;
}
.aias-search-btn:hover {
  background: var(--aias-accent-hover);
  transform: translateY(-1px);
}
.aias-search-btn:active {
  transform: translateY(0);
}
.aias-search-btn svg {
  flex-shrink: 0;
}

/* ── Q&A Result ──────────────────────────────────────────────── */
.aias-qa-result {
  margin-top: 10px;
  border-radius: var(--aias-radius);
  overflow: hidden;
  animation: aiasSlideDown 0.25s ease;
}
.aias-qa-inner {
  background: linear-gradient(135deg, #fdf4ff 0%, #fff7ed 100%);
  border: 1px solid #e9d5ff;
  border-radius: var(--aias-radius);
  padding: 14px 16px;
}
.aias-qa-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--aias-text-light);
  margin-bottom: 8px;
}
.aias-qa-icon { font-size: 14px; }
.aias-qa-content {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--aias-text);
}
.aias-qa-content b, .aias-qa-content strong { color: var(--aias-accent); }
.aias-qa-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  color: var(--aias-text-light);
  font-size: 13px;
}

/* ─────────────────────────────────────────────────────────────── */
/* ── SUMMARY CARD ─────────────────────────────────────────────── */
/* ─────────────────────────────────────────────────────────────── */

.aias-summary-card {
  position: relative;
  border-radius: var(--aias-radius);
  background: var(--aias-bg);
  padding: 20px 20px 18px;
  overflow: hidden;
}
/* Gradient border via pseudo-element */
.aias-summary-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: var(--aias-border-w);
  border-radius: var(--aias-radius);
  background: linear-gradient(135deg,
    var(--aias-gradient-start),
    var(--aias-gradient-mid),
    var(--aias-gradient-end)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: exclude;
  mask-composite: exclude;
  z-index: 0;
  pointer-events: none;
}

/* ── Bullet Points ───────────────────────────────────────────── */
.aias-points-section {
  margin-bottom: 14px;
  animation: aiasSlideDown 0.3s ease;
}

.aias-points-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.aias-points-bar {
  display: inline-block;
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--aias-gradient-start), var(--aias-gradient-end));
}
.aias-points-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--aias-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.aias-points-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.aias-points-list li {
  padding-left: 18px;
  position: relative;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--aias-bullet);
  font-weight: 500;
  cursor: default;
  transition: color 0.15s;
}
.aias-points-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  top: 0;
  color: var(--aias-bullet);
  font-size: 16px;
  line-height: 1.3;
}
.aias-points-list li:hover {
  color: var(--aias-accent);
}

/* ── Divider ─────────────────────────────────────────────────── */
.aias-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0;
}
.aias-div-line {
  flex: 1;
  height: 1px;
  border: none;
  border-top: 1px dashed #e5e7eb;
}
.aias-div-text {
  font-size: 11.5px;
  color: var(--aias-text-light);
  font-weight: 500;
  white-space: nowrap;
}

/* ── Read Fast Button ────────────────────────────────────────── */
.aias-read-fast-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 20px;
  border: none;
  border-radius: 9px;
  background: linear-gradient(135deg, #fff5f5 0%, #fff7ed 100%);
  color: var(--aias-accent);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  position: relative;
  z-index: 1;
}
.aias-read-fast-btn em { font-style: normal; }
.aias-read-fast-btn:hover {
  background: linear-gradient(135deg, #fce7e7 0%, #fdebd0 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.18);
}
.aias-read-fast-btn:active { transform: translateY(0); }
.aias-btn-flash {
  font-size: 15px;
  animation: aiasFlash 2s infinite;
}

/* ── Loading Overlay ─────────────────────────────────────────── */
.aias-loading-overlay {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  z-index: 1;
  animation: aiasFade 0.2s ease;
}
.aias-spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid #e5e7eb;
  border-top-color: var(--aias-accent);
  border-radius: 50%;
  animation: aiasSpin 0.8s linear infinite;
  flex-shrink: 0;
}
.aias-loading-text {
  font-size: 13px;
  color: var(--aias-text-light);
  font-weight: 500;
}

/* ── Error State ─────────────────────────────────────────────── */
.aias-error-msg {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  margin-top: 10px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #dc2626;
  font-size: 13px;
  line-height: 1.5;
  animation: aiasFade 0.2s ease;
}
.aias-error-icon { flex-shrink: 0; font-size: 16px; }

/* ─────────────────────────────────────────────────────────────── */
/* ── ANIMATIONS ───────────────────────────────────────────────── */
/* ─────────────────────────────────────────────────────────────── */

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

@keyframes aiasFlash {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(1.2); }
}

@keyframes aiasSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes aiasFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Point list item entrance ────────────────────────────────── */
.aias-points-list li {
  animation: aiasItemIn 0.3s ease both;
}
.aias-points-list li:nth-child(1) { animation-delay: 0.05s; }
.aias-points-list li:nth-child(2) { animation-delay: 0.10s; }
.aias-points-list li:nth-child(3) { animation-delay: 0.15s; }
.aias-points-list li:nth-child(4) { animation-delay: 0.20s; }
.aias-points-list li:nth-child(5) { animation-delay: 0.25s; }
.aias-points-list li:nth-child(6) { animation-delay: 0.30s; }
.aias-points-list li:nth-child(7) { animation-delay: 0.35s; }

@keyframes aiasItemIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  .aias-search-box { flex-wrap: wrap; gap: 8px; }
  .aias-search-btn { width: 100%; justify-content: center; }
  .aias-summary-card { padding: 16px 14px; }
}