/**
 * ═══════════════════════════════════════════════════════════════
 * VYOMA AI — Advanced Settings Panel
 * Standalone CSS (no conflict with existing stylesheets)
 * Namespace: .advs-
 * ═══════════════════════════════════════════════════════════════
 */

/* ── Overlay ──────────────────────────────────────────────────── */
.advs-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.advs-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ── Modal Panel ──────────────────────────────────────────────── */
.advs-modal {
  position: relative;
  width: 94%;
  max-width: 640px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25),
              0 0 0 1px rgba(255, 255, 255, 0.04);
  overflow: hidden;
  transform: scale(0.92) translateY(20px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
}

.advs-overlay.open .advs-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* ── Header ───────────────────────────────────────────────────── */
.advs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.advs-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.advs-header-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.advs-header-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.advs-header-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.advs-header-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.advs-close-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.advs-close-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.advs-close-btn svg {
  width: 18px;
  height: 18px;
}

/* ── Scrollable Body ──────────────────────────────────────────── */
.advs-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 24px 24px;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

.advs-body::-webkit-scrollbar { width: 5px; }
.advs-body::-webkit-scrollbar-track { background: transparent; }
.advs-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}

/* ── Section (Collapsible Accordion) ──────────────────────────── */
.advs-section {
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-top: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.advs-section:hover {
  border-color: var(--border-accent);
}

.advs-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  user-select: none;
  background: transparent;
  transition: background 0.2s ease;
}

.advs-section-header:hover {
  background: var(--bg-surface-hover);
}

.advs-section-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.advs-section-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.advs-section-icon.appearance { background: rgba(99, 102, 241, 0.1); }
.advs-section-icon.brain       { background: rgba(236, 72, 153, 0.1); }
.advs-section-icon.profile     { background: rgba(34, 197, 94, 0.1); }
.advs-section-icon.memory      { background: rgba(251, 146, 60, 0.1); }
.advs-section-icon.chat        { background: rgba(56, 189, 248, 0.1); }
.advs-section-icon.privacy     { background: rgba(168, 85, 247, 0.1); }

.advs-section-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.advs-section-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.advs-section-arrow {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.advs-section.expanded .advs-section-arrow {
  transform: rotate(180deg);
}

.advs-section-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.3s ease;
  padding: 0 18px;
}

.advs-section.expanded .advs-section-body {
  max-height: 2000px;
  padding: 4px 18px 18px;
}

/* ── Field Groups ─────────────────────────────────────────────── */
.advs-field {
  margin-top: 16px;
}

.advs-field:first-child {
  margin-top: 8px;
}

.advs-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Option Pills (Theme / Font Size / Tone) ──────────────────── */
.advs-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.advs-pill {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font);
  white-space: nowrap;
}

.advs-pill:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.advs-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 2px 12px var(--accent-glow);
}

/* ── Color Chips ──────────────────────────────────────────────── */
.advs-color-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.advs-color-chip {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.advs-color-chip:hover {
  transform: scale(1.15);
}

.advs-color-chip.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 3px var(--bg-surface), 0 0 14px var(--accent-glow);
}

.advs-color-chip.active::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.advs-color-chip[title]::before {
  content: attr(title);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  padding: 3px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.65rem;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}

.advs-color-chip:hover::before {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* ── Toggle Switches ──────────────────────────────────────────── */
.advs-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  gap: 12px;
}

.advs-toggle-row + .advs-toggle-row {
  border-top: 1px solid var(--border-light);
}

.advs-toggle-info {
  flex: 1;
  min-width: 0;
}

.advs-toggle-name {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-primary);
}

.advs-toggle-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.advs-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.advs-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.advs-switch-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.advs-switch-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.advs-switch input:checked + .advs-switch-slider {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.advs-switch input:checked + .advs-switch-slider::before {
  transform: translateX(20px);
}

/* ── Text Inputs ──────────────────────────────────────────────── */
.advs-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.84rem;
  transition: all 0.2s ease;
  outline: none;
}

.advs-input:focus {
  border-color: var(--accent);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

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

textarea.advs-input {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* Profile form grid */
.advs-profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.advs-profile-grid .advs-field.full {
  grid-column: 1 / -1;
}

/* ── Action Buttons ───────────────────────────────────────────── */
.advs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.advs-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

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

.advs-btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(-1px);
}

.advs-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.advs-btn-ghost:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.advs-btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.25);
}

.advs-btn-danger:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
}

.advs-btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* ── Divider ──────────────────────────────────────────────────── */
.advs-divider {
  height: 1px;
  background: var(--border-light);
  margin: 16px 0;
}

/* ── Open PE badge button ─────────────────────────────────────── */
.advs-pe-open-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.84rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-align: left;
}

.advs-pe-open-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-1px);
}

.advs-pe-open-btn .advs-pe-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.advs-pe-open-btn .advs-pe-icon svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

.advs-pe-open-btn .advs-pe-text {
  flex: 1;
}

.advs-pe-open-btn .advs-pe-label {
  font-weight: 600;
  color: var(--accent);
}

.advs-pe-open-btn .advs-pe-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.advs-pe-open-btn .advs-pe-arrow {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

/* ── Privacy Info Accordion ───────────────────────────────────── */
.advs-info-item {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  margin-top: 8px;
  overflow: hidden;
}

.advs-info-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
  user-select: none;
  transition: background 0.2s ease;
}

.advs-info-header:hover {
  background: var(--bg-surface-hover);
}

.advs-info-arrow {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.advs-info-item.expanded .advs-info-arrow {
  transform: rotate(180deg);
}

.advs-info-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  padding: 0 14px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.advs-info-item.expanded .advs-info-content {
  max-height: 600px;
  padding: 0 14px 14px;
}

.advs-info-content ul {
  padding-left: 18px;
  margin: 6px 0;
}

.advs-info-content li {
  margin: 3px 0;
}

/* ── Memory Viewer Modal ──────────────────────────────────────── */
.advs-memory-viewer-overlay {
  position: fixed;
  inset: 0;
  z-index: 9500;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.advs-memory-viewer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.advs-memory-viewer {
  width: 90%;
  max-width: 520px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.advs-memory-viewer-overlay.open .advs-memory-viewer {
  transform: scale(1);
}

.advs-memory-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.advs-memory-viewer-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.advs-memory-viewer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.advs-memory-entry {
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--bg-input);
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: var(--text-primary);
  line-height: 1.5;
  border-left: 3px solid var(--accent);
}

.advs-memory-empty {
  text-align: center;
  padding: 32px 20px;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.advs-memory-empty svg {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* ── Integration: Advanced Settings Button in existing modal ──── */
.advanced-settings-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid var(--border-accent);
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  color: var(--accent);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.advanced-settings-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
  transform: translateY(-1px);
}

.advanced-settings-btn svg {
  width: 16px;
  height: 16px;
}

/* ── Status badge ─────────────────────────────────────────────── */
.advs-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.advs-badge-on {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
}

.advs-badge-off {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ── Confirm dialog ───────────────────────────────────────────── */
.advs-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.advs-confirm-overlay.open {
  opacity: 1;
  visibility: visible;
}

.advs-confirm-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.advs-confirm-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: #ef4444;
}

.advs-confirm-icon svg {
  width: 24px;
  height: 24px;
}

.advs-confirm-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.advs-confirm-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.advs-confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  .advs-modal {
    width: 100%;
    max-width: 100%;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }

  .advs-overlay.open .advs-modal {
    transform: scale(1) translateY(0);
  }

  .advs-header {
    padding: 16px 18px 14px;
  }

  .advs-body {
    padding: 6px 16px 24px;
  }

  .advs-section-body {
    padding: 0 14px;
  }

  .advs-section.expanded .advs-section-body {
    padding: 4px 14px 16px;
  }

  .advs-profile-grid {
    grid-template-columns: 1fr;
  }

  .advs-pills {
    gap: 4px;
  }

  .advs-pill {
    padding: 6px 11px;
    font-size: 0.76rem;
  }
}