/* 
 * CHET - Chat Helper for (almost) Every Task 
 * Styles for CHET chat application
 */

:root {
  /* Dark coder-friendly palette */
  --primary-color: #7289da;        /* Discord-like indigo */
  --primary-hover: #5b6fa8;
  --secondary-color: #ff6b6b;      /* Accent red/pink */
  --accent-color: #2dd4bf;         /* Teal accent */
  --accent-hover: #14b8a6;
  --light-bg: #0f1724;             /* Very dark background */
  --dark-bg: #0b1220;              /* Slightly darker for panels */
  --border-color: #213040;         /* Subtle dark border */
  --text-color: #d6e3ff;           /* Light bluish text */
  --text-light: #9fb3d6;           /* Muted text */
  --text-on-dark: #E6EEF8;         /* On-dark text */
  --user-msg-bg: #071428;          /* User message panel */
  --assistant-msg-bg: #0b1622;     /* Assistant message panel */
  --success-color: #2ecc71;        /* Green */
  --danger-color: #ff6b6b;         /* Red */
}

/* Theme presets - keep a small curated set: Solarized (light/dark), GitHub (light/dark), and C.H.E.T. */

.theme-select-container {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}

.theme-toggle-button {
  background: rgba(255,255,255,0.03);
  border: none;
  color: var(--text-color);
  width: 32px;
  height: 32px;
  padding: 4px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.95rem;
  opacity: 0.7;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle-button:hover { opacity: 1; }

/* Keep the select hidden by default to be unobtrusive; reveal on hover */
.theme-select-container select {
  display: none;
  min-width: 160px;
  background: var(--light-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 6px 8px;
  border-radius: 6px;
}
.theme-select-container:hover select,
.theme-select-container:focus-within select,
.theme-select-container.expanded select {
  display: inline-block;
}
.theme-select-container select:focus {
  outline: 2px solid rgba(255,255,255,0.06);
}

.theme-solarized-dark {
  --primary-color: #268bd2;
  --accent-color: #2aa198;
  --secondary-color: #b58900;
  --light-bg: #002b36;
  --dark-bg: #001f27;
  --border-color: #073642;
  --text-color: #839496;
  --text-light: #93a1a1;
}

.theme-solarized-light {
  --primary-color: #268bd2;
  --accent-color: #2aa198;
  --secondary-color: #b58900;
  --light-bg: #fdf6e3;
  --dark-bg: #eee8d5;
  --border-color: #eee8d5;
  --text-color: #073642;
  --text-light: #586e75;
}


.theme-github-dark {
  --primary-color: #3996ff;
  --accent-color: #2ea44f;
  --secondary-color: #ff7b72;
  --light-bg: #0d1117;
  --dark-bg: #010409;
  --border-color: #21262d;
  --text-color: #c9d1d9;
  --text-light: #8b949e;
}

.theme-github-light {
  --primary-color: #0366d6;
  --accent-color: #28a745;
  --secondary-color: #d73a49;
  --light-bg: #ffffff;
  --dark-bg: #f6f8fa;
  --border-color: #e1e4e8;
  --text-color: #24292e;
  --text-light: #57606a;
}

/* removed many theme presets to keep the stylesheet focused and small */

/* C.H.E.T. default theme: deep green & teal backgrounds, pale green text, bright lavender accent */
.theme-chet {
  --primary-color: #14b8a6;     /* teal */
  --accent-color: #c084fc;      /* bright lavender/purple */
  --secondary-color: #9ae6b4;   /* pale green */
  --light-bg: #052118;          /* deep green */
  --dark-bg: #021712;           /* darker deep green */
  --border-color: #063a2b;
  --text-color: #e6fff0;        /* pale green text */
  --text-light: #bfead1;
  --user-msg-bg: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  --assistant-msg-bg: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(255,255,255,0.01));
  --primary-hover: #0f8f80;
  --accent-hover: #b26df5;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: linear-gradient(180deg, var(--light-bg) 0%, #071427 100%);
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

header {
  text-align: left;
  margin-bottom: 1.25rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(90deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.01) 100%);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

h1 {
  font-size: 1.6rem;
  color: var(--text-on-dark);
  margin-bottom: 0.25rem;
  font-weight: 700;
}

header p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin: 0;
}

.app-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1rem;
  height: calc(100vh - 160px);
  min-height: 640px; /* give chat more vertical breathing room */
}

/* Sidebar Styling */
.sidebar {
  background: linear-gradient(145deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  overflow-y: auto;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}

.sidebar h2 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-on-dark);
  padding-bottom: 0.25rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.sidebar h2:hover {
  color: var(--accent-color);
}

.toggle-indicator {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.section-toggle.collapsed .toggle-indicator {
  transform: rotate(-90deg);
}

.sidebar-section {
  overflow: hidden;
  transition: max-height 0.4s ease;
  margin-bottom: 1.5rem;
  opacity: 1;
}

.sidebar-section.collapsed {
  max-height: 0 !important;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.section-toggle {
  position: relative;
  cursor: pointer;
}

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

#seed {
  width: 100%;
  padding: 0.4rem;
}

.model-selector {
  margin-bottom: 1.5rem;
}

.model-selector select {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
  background: rgba(0,0,0,0.18);
  color: var(--text-on-dark);
  transition: all 0.15s ease;
}

.model-selector select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(47, 82, 51, 0.1);
}

.model-info {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.5rem;
  padding: 0.6rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02));
  border-radius: 6px;
  border-left: 3px solid var(--accent-color);
}

.parameter-group {
  margin-bottom: 1rem;
}

.parameter-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

.parameter-group input {
  width: 100%;
  padding: 0.6rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.85rem;
  background: white;
  transition: all 0.3s ease;
}

.parameter-group input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(47, 125, 122, 0.1);
}

.parameter-group input[type="range"] {
  background: linear-gradient(to right, var(--accent-color) 0%, var(--secondary-color) 100%);
  border: none;
  height: 6px;
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.parameter-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(47, 82, 51, 0.3);
}

.parameter-group input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(47, 82, 51, 0.3);
}

.parameter-info {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 0.25rem;
  line-height: 1.4;
}

.parameter-info strong {
  color: var(--text-color);
  display: block;
  margin-bottom: 0.25rem;
}

.action-btn {
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--text-on-dark);
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 0.75rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(63, 81, 181, 0.2);
}

.action-btn:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--accent-hover) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(63, 81, 181, 0.3);
}

.items-list {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02));
}

.list-item {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:hover {
  background: linear-gradient(135deg, var(--user-msg-bg) 0%, var(--assistant-msg-bg) 100%);
}

.list-item-title {
  font-weight: 500;
  color: var(--text-color);
}

.list-item-actions {
  display: flex;
  gap: 0.25rem;
}

.list-item-btn {
  padding: 0.3rem 0.6rem;
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.list-item-btn:hover {
  background: var(--light-bg);
  border-color: var(--accent-color);
}

.list-item-btn.use {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
  color: var(--text-on-dark);
  border-color: var(--accent-color);
}

.list-item-btn.use:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, #EC407A 100%);
}

.list-item-btn.delete {
  background: var(--danger-color);
  color: var(--text-on-dark);
  border-color: var(--danger-color);
}

.list-item-btn.delete:hover {
  background: #5a1f1f;
  border-color: #5a1f1f;
}

.save-response-btn {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
  color: var(--text-on-dark);
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  cursor: pointer;
  margin-top: 0.75rem;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 188, 212, 0.2);
}

.save-response-btn:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, #EC407A 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 188, 212, 0.3);
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(2, 6, 23, 0.7);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.modal-content {
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.01) 100%);
  margin: 6% auto;
  padding: 1.5rem;
  border-radius: 10px;
  width: 90%;
  max-width: 620px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.6);
  border: 1px solid var(--border-color);
}

.modal-content h3 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  font-size: 1.3rem;
  font-weight: 600;
}

/* Server meta modal specific tweaks */
#server-meta-json {
  font-size: 0.85rem;
  background: #fff;
  border-radius: 8px;
}

#server-meta-copy {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--text-on-dark);
  border: none;
}

#server-meta-close {
  background: var(--light-bg);
}

.server-meta-body {
  background: #fff;
  padding: 12px;
  border: 1px solid #e0e0e0;
  max-height: 320px;
  overflow: auto;
  border-radius: 8px;
}

.server-meta-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 12px;
}

.modal-content input,
.modal-content textarea,
.modal-content select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  background: white;
}

.modal-content input:focus,
.modal-content textarea:focus,
.modal-content select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(47, 125, 122, 0.1);
}

.modal-content textarea {
  min-height: 100px;
  resize: vertical;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

.modal-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.modal-btn.primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--text-on-dark);
  box-shadow: 0 2px 6px rgba(47, 82, 51, 0.2);
}

.modal-btn.primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--accent-hover) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(47, 82, 51, 0.3);
}

.modal-btn.secondary {
  background: var(--light-bg);
  color: var(--text-color);
  border: 2px solid var(--border-color);
}

.modal-btn.secondary:hover {
  background: var(--assistant-msg-bg);
  border-color: var(--accent-color);
}

/* Chat container styles */
.chat-container {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02));
  box-shadow: 0 10px 30px rgba(2,6,23,0.6);
  /* Make chat area take more vertical space inside the grid */
  min-height: 520px;
}

.chat-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1.25rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.015));
}

.message {
  margin-bottom: 1rem;
  padding: 0.85rem;
  border-radius: 10px;
  max-width: 80%;
  box-shadow: 0 6px 18px rgba(2,6,23,0.6);
  position: relative;
}

.user-message {
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02));
  align-self: flex-end;
  margin-left: auto;
  border-left: 3px solid var(--primary-color);
  color: var(--text-on-dark);
}

.assistant-message {
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.02));
  align-self: flex-start;
  margin-right: auto;
  border-left: 3px solid var(--secondary-color);
  color: var(--text-on-dark);
}

.message-meta {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
  display: flex;
  gap: 8px;
  align-items: center;
}

.message-meta .meta-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: rgba(0,0,0,0.06);
  color: var(--text-light);
  font-size: 0.8rem;
}

.message-meta .meta-ts {
  font-size: 0.75rem;
  color: var(--text-light);
}

.persona-greeting {
  color: #444;
  background: rgba(255,255,255,0.6);
  padding: 6px 8px;
  border-radius: 8px;
}

.model-alert {
  display: none;
  margin-left: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text-on-dark);
  background: var(--danger-color);
}

.inspector-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  align-items: center;
}
.inspector-controls button {
  padding: 6px 10px;
  font-size: 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: white;
  cursor: pointer;
}

.current-model {
  background: linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  color: var(--text-on-dark);
  padding: 0.8rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.typing-indicator {
  padding: 0.75rem;
  text-align: center;
  color: var(--accent-color);
  font-style: italic;
  background: transparent;
  border-top: 1px solid var(--border-color);
  display: none;
}

.typing-indicator.visible {
  display: block;
}

.message-input {
  display: flex;
  align-items: flex-end;
  padding: 0.85rem 1rem;
  border-top: 2px solid var(--border-color);
  background: linear-gradient(135deg, rgba(255,255,255,0.01) 0%, var(--light-bg) 100%);
  gap: 0.75rem;
}

#user-input {
  flex: 1 1 auto;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  font-family: inherit;
  resize: none;
  min-height: 56px; /* more readable input */
  max-height: 260px;
  transition: all 0.15s ease;
  background: rgba(255,255,255,0.02);
  color: var(--text-on-dark);
  font-size: 1rem;
  line-height: 1.4;
}

#user-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(47, 125, 122, 0.1);
}

#send-button {
  padding: 0.6rem 1.1rem;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  color: var(--text-on-dark);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.15s ease;
}

#send-button:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--accent-hover) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(47, 82, 51, 0.3);
}

#send-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Toast notification styles */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  pointer-events: none;
}

.toast {
  background: rgba(255,255,255,0.03);
  color: var(--text-on-dark);
  padding: 12px 20px;
  border-radius: 8px;
  margin-bottom: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  font-weight: 600;
  font-size: 13px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.2s ease;
}

.toast.success {
  background: var(--success-color);
}

.toast.error {
  background: var(--danger-color);
}

.toast.warning {
  background: #FFC107;
}

.toast.info {
  background: var(--accent-color);
}

/* Responsive styles */
footer {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
}

@media (max-width: 768px) {
  .app-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  
  /* On mobile, collapse sidebar into top compact accordion and make chat full width */
  .sidebar {
    max-height: none;
    display: block;
    padding: 0.5rem;
    border-radius: 8px;
  }

  .sidebar .sidebar-section {
    display: none; /* hide detailed sections by default on mobile to stay compact; JS toggles via section-toggle */
  }

  .section-toggle {
    font-size: 0.95rem;
    padding: 0.6rem 0.5rem;
    background: transparent;
    border-radius: 8px;
  }
}

/* Dev tools / inspector styles */
.persona-label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.persona-note {
  color: #666;
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
}
.request-inspector {
  display: none;
  margin-top: 8px;
}
.inspector-title {
  font-size: 0.85rem;
  color: #444;
  margin-bottom: 6px;
}
.inspector-pre {
  background: #fff;
  padding: 8px;
  border: 1px solid #e0e0e0;
  max-height: 160px;
  overflow: auto;
  font-size: 0.8rem;
}