/* AllChat - Multi-LLM Interface Styles */

/* ===== CSS Variables ===== */
:root {
  /* FixPanel-inspired colors */
  --primary: #7856FF;
  --primary-light: #9B7AFF;
  --primary-dark: #5A3FD6;

  /* Dark theme */
  --bg-dark: #0a0a0a;
  --bg-panel: #141414;
  --bg-panel-hover: #1a1a1a;
  --bg-input: #1f1f1f;

  /* Text */
  --text-primary: #f0f0f0;
  --text-secondary: #888;
  --text-muted: #555;

  /* Borders */
  --border: #2a2a2a;
  --border-light: #333;

  /* LLM-specific accent colors */
  --tarus: #00D4FF;
  --tarus-glow: rgba(0, 212, 255, 0.15);
  --mock: #9CA3AF;
  --mock-glow: rgba(156, 163, 175, 0.15);
  --shallowfind: #14B8A6;
  --shallowfind-glow: rgba(20, 184, 166, 0.15);
  --alpaca: #A855F7;
  --alpaca-glow: rgba(168, 85, 247, 0.15);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Sizing */
  --header-height: 56px;
  --footer-height: 40px;
  --input-height: 100px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background:
    radial-gradient(ellipse at top, rgba(120, 86, 255, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(168, 85, 247, 0.02) 0%, transparent 50%),
    var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== App Container ===== */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100vh;
}

/* ===== Header ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 20px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-left, .header-right {
  flex: 1;
}

.header-right {
  display: flex;
  justify-content: flex-end;
}

.header-center {
  flex: 1;
  text-align: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--alpaca) 50%, var(--primary) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease-in-out infinite;
}

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

.tagline {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Layout Switcher */
.layout-switcher {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  border-radius: 8px;
  padding: 4px;
}

.layout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.layout-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

.layout-btn.active {
  background: var(--primary);
  color: white;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  position: relative;
  overflow: hidden;
  padding: 16px;
}

/* ===== Panels Container - Layout Variants ===== */
.panels-container {
  display: grid;
  gap: 16px;
  height: 100%;
  transition: all var(--transition-slow);
}

/* Default: 2x2 Grid */
.panels-container[data-layout="grid"] {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* Variant A: Vertical 4x1 */
.panels-container[data-layout="vertical"] {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(4, 1fr);
}

/* Variant B: Horizontal 1x4 */
.panels-container[data-layout="horizontal"] {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 1fr;
}

/* Horizontal mode: tighter layout for narrow panels */
.panels-container[data-layout="horizontal"] .panel-header {
  padding: 8px 10px;
  flex-wrap: wrap;
  gap: 4px;
}

.panels-container[data-layout="horizontal"] .llm-logo {
  width: 28px;
  height: 28px;
}

.panels-container[data-layout="horizontal"] .llm-logo svg {
  width: 20px;
  height: 20px;
}

.panels-container[data-layout="horizontal"] .llm-name {
  font-size: 13px;
}

.panels-container[data-layout="horizontal"] .llm-subtitle {
  display: none;
}

.panels-container[data-layout="horizontal"] .panel-actions {
  position: absolute;
  right: 8px;
  top: 8px;
}

.panels-container[data-layout="horizontal"] .welcome-message {
  padding: 10px;
}

.panels-container[data-layout="horizontal"] .welcome-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.panels-container[data-layout="horizontal"] .welcome-message p {
  font-size: 11px;
  max-width: 150px;
}

/* Vertical mode: ensure all headers align */
.panels-container[data-layout="vertical"] .panel-header {
  min-height: 60px;
}

.panels-container[data-layout="vertical"] .llm-info {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.panels-container[data-layout="vertical"] .llm-subtitle {
  font-size: 11px;
}

/* ===== LLM Panel ===== */
.llm-panel {
  display: flex;
  flex-direction: column;
  background: rgba(20, 20, 20, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

/* Animated gradient border - unique per AI */
.llm-panel::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 13px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* AI-specific gradient glows */
.llm-panel[data-llm="tarus"]::before {
  background: linear-gradient(45deg, var(--tarus), #0891B2, var(--tarus));
  background-size: 200% 200%;
}

.llm-panel[data-llm="mock"]::before {
  background: linear-gradient(45deg, var(--mock), #6B7280, var(--mock));
  background-size: 200% 200%;
}

.llm-panel[data-llm="shallowfind"]::before {
  background: linear-gradient(45deg, var(--shallowfind), #0D9488, var(--shallowfind));
  background-size: 200% 200%;
}

.llm-panel[data-llm="alpaca"]::before {
  background: linear-gradient(45deg, var(--alpaca), #7C3AED, var(--alpaca));
  background-size: 200% 200%;
}

.llm-panel:hover::before {
  opacity: 0.08;
  animation: gradientShift 4s ease infinite;
}

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

.llm-panel:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

/* Panel accent colors on hover */
.llm-panel[data-llm="tarus"]:hover {
  border-color: var(--tarus);
  box-shadow: 0 0 20px var(--tarus-glow);
}

.llm-panel[data-llm="mock"]:hover {
  border-color: var(--mock);
  box-shadow: 0 0 20px var(--mock-glow);
}

.llm-panel[data-llm="shallowfind"]:hover {
  border-color: var(--shallowfind);
  box-shadow: 0 0 20px var(--shallowfind-glow);
}

.llm-panel[data-llm="alpaca"]:hover {
  border-color: var(--alpaca);
  box-shadow: 0 0 20px var(--alpaca-glow);
}

/* Panel Header */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-bottom 0.2s ease;
}

.llm-identity {
  display: flex;
  align-items: center;
  gap: 10px;
}

.llm-logo {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-input);
  border-radius: 8px;
}

.llm-info {
  display: flex;
  flex-direction: column;
}

.llm-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* LLM name colors - brightened for contrast */
.llm-panel[data-llm="tarus"] .llm-name { color: #4DE8FF; }
.llm-panel[data-llm="mock"] .llm-name { color: #D1D5DB; }
.llm-panel[data-llm="shallowfind"] .llm-name { color: #2DD4BF; }
.llm-panel[data-llm="alpaca"] .llm-name { color: #C084FC; }

/* Status indicator dot */
.status-dot {
  width: 6px;
  height: 6px;
  background: #22C55E;
  border-radius: 50%;
  margin-left: 6px;
  display: inline-block;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}

.llm-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.panel-actions {
  display: flex;
  gap: 6px;
}

.action-btn,
.focus-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0.6;
}

.llm-panel:hover .action-btn,
.llm-panel:hover .focus-btn {
  opacity: 1;
}

.action-btn:hover,
.focus-btn:hover {
  background: var(--border);
  color: var(--text-primary);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

.action-btn.copy-btn:hover {
  color: var(--shallowfind);
}

.action-btn.regenerate-btn:hover {
  color: var(--primary);
}

/* Collapse button */
.collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0.6;
}

.llm-panel:hover .collapse-btn {
  opacity: 1;
}

.collapse-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

.collapse-btn .collapse-icon {
  transition: transform var(--transition-fast);
}

/* Collapsed panel state */
.llm-panel {
  transition: flex 0.3s ease, max-height 0.3s ease;
}

.llm-panel.collapsed {
  flex: 0 0 auto !important;
  max-height: 52px;
  overflow: hidden;
}

.llm-panel.collapsed .panel-header {
  border-bottom: none;
}

.llm-panel.collapsed .panel-content,
.llm-panel.collapsed .panel-footer {
  opacity: 0;
  pointer-events: none;
  max-height: 0;
  padding: 0;
  overflow: hidden;
}

.llm-panel.collapsed .collapse-btn .collapse-icon {
  transform: rotate(-90deg);
}

.llm-panel.collapsed .collapse-btn {
  opacity: 1;
}

/* Toggle all button */
.toggle-all-btn {
  position: relative;
}

.toggle-all-btn .collapse-all-icon {
  display: block;
}

.toggle-all-btn .expand-all-icon {
  display: none;
}

.toggle-all-btn.all-collapsed .collapse-all-icon {
  display: none;
}

.toggle-all-btn.all-collapsed .expand-all-icon {
  display: block;
}

/* Panel Content */
.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  box-shadow: inset 0 8px 16px -8px rgba(0, 0, 0, 0.4);
  transition: opacity 0.2s ease, max-height 0.3s ease, padding 0.3s ease;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Message bubbles */
.message {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
  animation: fadeIn var(--transition-normal);
}

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

.message.user {
  background: var(--primary);
  color: white;
  align-self: flex-end;
  max-width: 85%;
  border-bottom-right-radius: 4px;
}

.message.assistant {
  background: var(--bg-input);
  color: var(--text-primary);
  align-self: flex-start;
  max-width: 95%;
  border-bottom-left-radius: 4px;
}

/* Streaming cursor */
.message.streaming::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--text-primary);
  margin-left: 2px;
  animation: blink 0.8s infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Panel Footer */
.panel-footer {
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition: opacity 0.2s ease, max-height 0.3s ease, padding 0.3s ease;
}

.rating-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.rating-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.rating-btn:hover {
  border-color: var(--border-light);
  color: var(--text-secondary);
}

.rating-btn.thumbs-up:hover,
.rating-btn.thumbs-up.active {
  border-color: #22C55E;
  color: #22C55E;
  background: rgba(34, 197, 94, 0.1);
}

.rating-btn.thumbs-down:hover,
.rating-btn.thumbs-down.active {
  border-color: #EF4444;
  color: #EF4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Rating button click animation */
.rating-btn.clicked {
  transform: scale(1.2);
}

@keyframes ratingPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* ===== Focus Mode ===== */
.llm-panel.focused {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: calc(var(--input-height) + var(--footer-height));
  z-index: 100;
  margin: 16px;
  border-radius: 16px;
}

.llm-panel.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.95);
}

.back-to-all-btn {
  position: fixed;
  top: calc(var(--header-height) + 24px);
  right: 32px;
  z-index: 101;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.back-to-all-btn:hover {
  background: var(--bg-panel-hover);
  border-color: var(--primary);
}

/* ===== Input Area ===== */
.input-area {
  padding: 16px 20px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.input-container {
  max-width: 900px;
  margin: 0 auto;
}

.input-wrapper {
  display: flex;
  gap: 8px;
  align-items: center;
}

.input-actions-left,
.input-actions-right {
  display: flex;
  gap: 4px;
  align-items: center;
}

.input-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.input-action-btn:hover {
  border-color: var(--border-light);
  color: var(--text-secondary);
  background: var(--bg-panel-hover);
}

.next-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-input);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.next-btn:hover {
  background: var(--primary);
  color: white;
}

#promptInput {
  flex: 1;
  height: 48px;
  padding: 0 20px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  border-radius: 12px;
  outline: none;
  transition: all var(--transition-fast);
}

#promptInput:focus {
  border-color: var(--primary);
  box-shadow:
    0 0 0 3px rgba(120, 86, 255, 0.15),
    0 0 20px rgba(120, 86, 255, 0.1);
  transform: scale(1.002);
}

#promptInput::placeholder {
  color: var(--text-muted);
}

.send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border: none;
  color: white;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.send-btn:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.send-btn:active {
  transform: scale(0.92);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Clear button */
.clear-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.clear-btn:hover {
  border-color: #EF4444;
  color: #EF4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Demo attachment chip */
.demo-attachment {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 8px;
  animation: fadeIn 0.2s ease;
}

.demo-attachment svg {
  color: var(--primary);
}

.demo-attachment span {
  color: var(--text-primary);
}

.demo-attachment .remove-attachment {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.demo-attachment .remove-attachment:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
}

/* Voice recording state */
.input-action-btn.recording {
  background: rgba(239, 68, 68, 0.2);
  border-color: #EF4444;
  color: #EF4444;
  animation: recordingPulse 1s ease-in-out infinite;
}

@keyframes recordingPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
}

/* ===== Footer ===== */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--footer-height);
  padding: 0 20px;
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.footer-text {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-link {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

.reset-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  font-family: inherit;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reset-btn:hover {
  border-color: var(--text-muted);
  color: var(--text-secondary);
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .panels-container[data-layout="grid"] {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
  }

  .panels-container[data-layout="horizontal"] {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
  }

  .header-center {
    display: none;
  }

  .layout-switcher {
    display: none !important;
  }

  .demo-controls {
    flex-wrap: wrap;
  }
}

/* ===== Loading State ===== */
.loading-dots {
  display: inline-flex;
  gap: 4px;
}

.loading-dots span {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: loadingDot 1.4s infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes loadingDot {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ===== Welcome State ===== */
.welcome-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-muted);
  padding: 20px;
}

.welcome-message svg {
  margin-bottom: 12px;
  opacity: 0.5;
  animation: float 3s ease-in-out infinite;
}

.welcome-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 12px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.welcome-message p {
  font-size: 13px;
  max-width: 200px;
  line-height: 1.4;
}

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-panel);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 14px;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: toastSlideUp 0.3s ease-out;
}

@keyframes toastSlideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}