/* Custom Styles & Animation for AI Chat Interface */

:root {
  --bg-main: #0b0f17;
  --bg-sidebar: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #1e293b;
  --border-color: #334155;
  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --sat: env(safe-area-inset-top, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
}

/* =============================================================================
   iPhone / iOS Safari Standards & Touch Optimization (Ecosistema Nexus)
   ============================================================================= */
html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  overscroll-behavior-x: none;
  touch-action: pan-y;
  -webkit-font-smoothing: antialiased;
  background-color: #0b0f17;
}

button, nav, .tab-bar, .no-select {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Momentum scrolling fluido per tutti i contenitori di messaggi */
#messages-container, #chat-list, .scroll-container, .modal-scroll-body {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* Anti-autozoom per iPhone su qualsiasi elemento di input */
@media (max-width: 767px) {
  input, textarea, select {
    font-size: 16px !important;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Code Block Styles */
.code-block-wrapper {
  position: relative;
  margin: 1rem 0;
  border-radius: 0.5rem;
  overflow: hidden;
  background-color: #1e1e2e;
  border: 1px solid #313244;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.8rem;
  background-color: #181825;
  border-bottom: 1px solid #313244;
  font-size: 0.75rem;
  color: #a6adc8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background-color: #313244;
  color: #cdd6f4;
  border-radius: 0.25rem;
  transition: all 0.2s;
  cursor: pointer;
}

.copy-btn:hover {
  background-color: #45475a;
  color: #ffffff;
}

.code-block-wrapper pre {
  margin: 0;
  padding: 0.85rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
}

.code-block-wrapper code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Inline Code */
:not(pre) > code {
  background-color: rgba(51, 65, 85, 0.6);
  color: #38bdf8;
  padding: 0.15rem 0.35rem;
  border-radius: 0.25rem;
  font-size: 0.85em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Markdown Content Styling */
.markdown-body {
  line-height: 1.65;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.markdown-body p {
  margin-bottom: 0.75rem;
}

.markdown-body p:last-child {
  margin-bottom: 0;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  font-weight: 600;
  color: #f8fafc;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.markdown-body h1 { font-size: 1.4rem; }
.markdown-body h2 { font-size: 1.2rem; }
.markdown-body h3 { font-size: 1.05rem; }

.markdown-body ul, .markdown-body ol {
  margin: 0.5rem 0 0.75rem 1.5rem;
}

.markdown-body ul { list-style-type: disc; }
.markdown-body ol { list-style-type: decimal; }

.markdown-body li {
  margin-bottom: 0.25rem;
}

.markdown-body blockquote {
  border-left: 3px solid #3b82f6;
  padding-left: 0.85rem;
  color: #94a3b8;
  margin: 0.75rem 0;
  font-style: italic;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.85rem 0;
  font-size: 0.875rem;
}

.markdown-body th, .markdown-body td {
  border: 1px solid #334155;
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.markdown-body th {
  background-color: #1e293b;
  font-weight: 600;
  color: #f1f5f9;
}

.markdown-body tr:nth-child(even) {
  background-color: rgba(30, 41, 59, 0.4);
}

.markdown-body hr {
  border: none;
  border-top: 1px solid #334155;
  margin: 1.25rem 0;
}

.markdown-body a {
  color: #60a5fa;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.markdown-body a:hover {
  color: #93c5fd;
}

/* Reasoning / Thinking Box */
.reasoning-box {
  background-color: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(71, 85, 105, 0.4);
  border-left: 3px solid #8b5cf6;
  border-radius: 0.5rem;
  margin-bottom: 0.85rem;
  transition: all 0.2s ease;
  overflow: hidden;
}

.reasoning-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  background-color: rgba(30, 41, 59, 0.4);
  user-select: none;
  font-size: 0.825rem;
  color: #c4b5fd;
  font-weight: 500;
}

.reasoning-header:hover {
  background-color: rgba(30, 41, 59, 0.8);
}

.reasoning-content {
  padding: 0.75rem 0.85rem;
  font-size: 0.85rem;
  color: #94a3b8;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  line-height: 1.5;
  border-top: 1px solid rgba(51, 65, 85, 0.3);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Typing Cursor */
.streaming-cursor {
  display: inline-block;
  width: 7px;
  height: 15px;
  background-color: #38bdf8;
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 0.8s infinite;
  border-radius: 1px;
}

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

/* Pulsing effect for glowing avatar during generation */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0);
  }
}

.generating-avatar {
  animation: pulse-glow 2s infinite;
}

/* Auto resizing textarea without scrollbar flash */
textarea.auto-expand {
  overflow-y: hidden;
  resize: none;
}

/* Attachments Styling & Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.2s ease-out forwards;
}

.attachments-box img {
  transition: transform 0.2s ease, filter 0.2s ease;
}

.attachments-box img:hover {
  filter: brightness(1.05);
}

/* Split Mode Layout & Animations */
#split-view-container {
  height: 100%;
}

.split-active-btn {
  background: linear-gradient(to right, rgba(168, 85, 247, 0.45), rgba(59, 130, 246, 0.45)) !important;
  border-color: #c084fc !important;
  color: #ffffff !important;
  box-shadow: 0 0 14px rgba(168, 85, 247, 0.35) !important;
}

/* Custom scrollbar for split panels */
#split-messages-left::-webkit-scrollbar,
#split-messages-right::-webkit-scrollbar {
  width: 6px;
}

#split-messages-left::-webkit-scrollbar-thumb,
#split-messages-right::-webkit-scrollbar-thumb {
  background: rgba(51, 65, 85, 0.6);
  border-radius: 4px;
}

/* Nvidia model checkbox cards */
.nvidia-card {
  transition: all 0.15s ease;
}
.nvidia-card:hover {
  background-color: rgba(30, 41, 59, 0.8);
  border-color: rgba(16, 185, 129, 0.4);
}
.nvidia-card.selected {
  border-color: rgba(16, 185, 129, 0.6);
  background-color: rgba(6, 78, 59, 0.2);
}

/* Hover Collapsible Message Action Bar */
.msg-action-bar {
  opacity: 0;
  transition: opacity 0.18s cubic-bezier(0.4, 0, 0.2, 1), transform 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.message-row:hover .msg-action-bar,
.message-row:focus-within .msg-action-bar,
.msg-action-bar.speaking {
  opacity: 1 !important;
  pointer-events: auto !important;
}

@media (hover: none) {
  .msg-action-bar {
    opacity: 0.85 !important;
    pointer-events: auto !important;
  }
}

.msg-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  color: #94a3b8;
  background: transparent;
  transition: all 0.15s ease;
  cursor: pointer;
}

.msg-action-btn:hover {
  transform: translateY(-1px);
}

.msg-action-btn.tts-active {
  color: #f87171 !important;
  background-color: rgba(239, 68, 68, 0.2) !important;
  animation: pulse-glow 1.5s infinite;
}

/* =============================================================================
   Theme Selector Cards
   ============================================================================= */
.theme-card {
  transition: all 0.2s ease;
}
.theme-card.active {
  border-color: #3b82f6 !important;
  background-color: rgba(59, 130, 246, 0.15) !important;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.25);
}

/* =============================================================================
   Light Theme Comprehensive Styles
   ============================================================================= */
html.light, html:not(.dark) {
  --bg-main: #f8fafc;
  --bg-sidebar: #f1f5f9;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --accent-primary: #2563eb;
  --text-main: #0f172a;
  --text-muted: #64748b;
}

html.light body {
  background-color: #f8fafc !important;
  color: #0f172a !important;
}

html.light aside#sidebar {
  background-color: #f1f5f9 !important;
  border-right-color: #e2e8f0 !important;
}

html.light header {
  background-color: rgba(248, 250, 252, 0.95) !important;
  border-bottom-color: #e2e8f0 !important;
}

html.light .bg-slate-900,
html.light .bg-slate-900\/40,
html.light .bg-slate-900\/50,
html.light .bg-slate-900\/60,
html.light .bg-slate-900\/80,
html.light .bg-slate-900\/90,
html.light .bg-slate-900\/95,
html.light .bg-slate-950,
html.light .bg-slate-950\/70,
html.light .bg-\[\#0b0f17\],
html.light .bg-\[\#0b0f17\]\/90,
html.light .bg-\[\#0f172a\] {
  background-color: #f8fafc !important;
}

html.light .bg-slate-800,
html.light .bg-slate-800\/40,
html.light .bg-slate-800\/60,
html.light .bg-slate-800\/80,
html.light .bg-slate-800\/90,
html.light .bg-\[\#1e293b\] {
  background-color: #ffffff !important;
}

html.light .border-slate-800,
html.light .border-slate-800\/80,
html.light .border-slate-700,
html.light .border-slate-700\/80,
html.light .border-slate-700\/40 {
  border-color: #e2e8f0 !important;
}

html.light .text-slate-100,
html.light .text-slate-200,
html.light .text-white {
  color: #0f172a !important;
}

html.light .text-slate-300,
html.light .text-slate-400 {
  color: #475569 !important;
}

html.light .text-slate-500 {
  color: #64748b !important;
}

html.light .markdown-body {
  color: #1e293b !important;
}

html.light #settings-modal > div {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}

html.light select,
html.light input[type="text"],
html.light input[type="password"],
html.light input[type="number"],
html.light textarea {
  background-color: #ffffff !important;
  color: #0f172a !important;
  border-color: #cbd5e1 !important;
}

html.light .chat-card {
  border-color: #e2e8f0 !important;
  background-color: #ffffff !important;
}
html.light .chat-card:hover {
  background-color: #f1f5f9 !important;
}
html.light .chat-card.active {
  background-color: #e0f2fe !important;
  border-color: #38bdf8 !important;
}

html.light .code-block-wrapper {
  background-color: #f1f5f9 !important;
  border-color: #cbd5e1 !important;
}

html.light .code-header {
  background-color: #e2e8f0 !important;
  border-color: #cbd5e1 !important;
  color: #475569 !important;
}

html.light .copy-btn {
  background-color: #ffffff !important;
  color: #334155 !important;
  border: 1px solid #cbd5e1;
}

html.light .copy-btn:hover {
  background-color: #f8fafc !important;
  color: #0f172a !important;
}

html.light ::-webkit-scrollbar-thumb {
  background: #cbd5e1;
}
html.light ::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* =============================================================================
   Podium & Benchmark Suite Styles
   ============================================================================= */
.podium-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.podium-card:hover {
  transform: translateY(-2px);
}
.podium-gold {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.18), rgba(245, 158, 11, 0.06));
  border: 1px solid rgba(234, 179, 8, 0.5);
}
.podium-silver {
  background: linear-gradient(135deg, rgba(148, 163, 184, 0.18), rgba(203, 213, 225, 0.06));
  border: 1px solid rgba(148, 163, 184, 0.5);
}
.podium-bronze {
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.18), rgba(180, 83, 9, 0.06));
  border: 1px solid rgba(217, 119, 6, 0.5);
}

html.light #benchmark-modal > div {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}

html.light #benchmark-modal .bg-slate-900\/80,
html.light #benchmark-modal .bg-slate-900\/90,
html.light #benchmark-modal .bg-slate-900\/60,
html.light #benchmark-modal .bg-slate-950,
html.light #benchmark-modal .bg-slate-950\/60,
html.light #benchmark-modal .bg-slate-950\/80 {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
  color: #0f172a !important;
}

/* =============================================================================
   Multi-Split Screen Styles (Up to 4 Panes)
   ============================================================================= */
.split-close-pane-btn {
  transition: all 0.15s ease-in-out;
}
.split-close-pane-btn:hover {
  transform: scale(1.1);
}

html.light #split-view-container > div {
  background-color: #ffffff !important;
  border-color: #e2e8f0 !important;
}

html.light #split-view-container .bg-slate-900\/90 {
  background-color: #f1f5f9 !important;
  border-color: #e2e8f0 !important;
}

html.light .split-model-select,
html.light .split-provider-select {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #1e293b !important;
}

/* =============================================================================
   Sortable Table Headers
   ============================================================================= */
.sortable-bench-th,
.sortable-split-th {
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.sortable-bench-th:hover,
.sortable-split-th:hover {
  background-color: rgba(51, 65, 85, 0.7);
}
.sortable-bench-th.active-sort,
.sortable-split-th.active-sort {
  background-color: rgba(30, 41, 59, 0.9);
  color: #38bdf8 !important;
}
.sortable-bench-th.active-sort .sort-indicator,
.sortable-split-th.active-sort .sort-indicator {
  color: #38bdf8 !important;
  font-weight: bold;
}

/* Light mode for Split Table Modal */
html.light #split-table-modal > div {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}
html.light #split-table-modal .bg-slate-950\/60,
html.light #split-table-modal .bg-slate-950\/70,
html.light #split-table-modal .bg-slate-900\/60,
html.light #split-table-modal .bg-slate-950\/40 {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
  color: #0f172a !important;
}

/* =============================================================================
   Print Stylesheet (@media print)
   ============================================================================= */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  #sidebar,
  header,
  #input-container,
  #chat-messages-container,
  #split-view-container,
  #drop-zone-overlay,
  .toast,
  .no-print {
    display: none !important;
  }
  .print-clean-report {
    display: block !important;
    position: static !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 1cm !important;
    background: #ffffff !important;
    color: #111827 !important;
  }
}