/* ═══════════════════════════════════════════
   Triva-Agent — GUI Styles
   ═══════════════════════════════════════════ */

/* --- Variables --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-hover: #252540;
  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
  --text-muted: #555577;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --success: #00cec9;
  --warning: #fdcb6e;
  --danger: #ff6b6b;
  --info: #74b9ff;
  --border: #2a2a3e;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

#app {
  display: flex;
  height: 100vh;
  direction: rtl;
}

/* --- Sidebar --- */
.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 8px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  margin-bottom: 16px;
}

.logo-icon { font-size: 28px; }
.logo-text {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  position: relative;
}

.nav-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-btn.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.nav-icon { font-size: 18px; width: 24px; text-align: center; }
.nav-badge {
  position: absolute;
  left: 8px;
  top: 8px;
  font-size: 12px;
}

/* GPU & Model Status */
.gpu-status {
  padding: 10px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-top: auto;
}

.gpu-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }

.gpu-bar {
  height: 4px;
  background: var(--bg-hover);
  border-radius: 2px;
  overflow: hidden;
}

.gpu-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--success), var(--warning));
  border-radius: 2px;
  transition: width 0.5s ease;
}

.gpu-text { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.model-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.status-dot { font-size: 10px; }

/* --- Content --- */
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.screen {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  padding: 24px;
}

.screen.active { display: flex; }

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.screen-header h2 { font-size: 22px; font-weight: 600; }

/* --- Chat --- */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.chat-status {
  font-size: 13px;
  color: var(--success);
  padding: 4px 12px;
  background: rgba(0, 206, 201, 0.1);
  border-radius: 20px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 80%;
}

.message.user { align-self: flex-start; flex-direction: row-reverse; }
.message.assistant { align-self: flex-start; }

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: var(--bg-card);
  flex-shrink: 0;
}

.message.user .msg-avatar { background: var(--accent); }

.msg-content {
  padding: 12px 16px;
  border-radius: var(--radius);
  line-height: 1.6;
  font-size: 14px;
}

.message.assistant .msg-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.message.user .msg-content {
  background: var(--accent);
  color: white;
}

.tools-indicator, .memory-indicator {
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: 20px;
  margin: 4px 0;
  display: inline-block;
}

.tool-tag { color: var(--accent-light); }

.chat-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.attach-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  color: var(--text-muted);
}

#chat-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  resize: none;
  outline: none;
  max-height: 120px;
  font-family: var(--font);
}

.send-btn {
  padding: 8px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}

.send-btn:hover { background: var(--accent-light); }

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* --- Training --- */
.model-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label { font-size: 12px; color: var(--text-muted); }
.info-value { font-size: 16px; font-weight: 600; }

.training-options { margin-bottom: 16px; }

.option-group {
  margin-bottom: 12px;
}

.option-group label {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 6px;
}

.option-group select {
  padding: 8px 12px;
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.option-row { display: flex; gap: 16px; }

.radio-group label, .checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

/* Progress */
.progress-container { margin-bottom: 16px; }

.progress-bar {
  height: 8px;
  background: var(--bg-hover);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}

.progress-eta { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.training-log {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 12px;
  max-height: 200px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Toggle */
.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.toggle { position: relative; width: 44px; height: 24px; }
.toggle input { display: none; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-hover);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  top: 3px;
  right: 3px;
  transition: var(--transition);
}

.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(-20px); }

/* History table */
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.history-table th {
  text-align: right;
  padding: 8px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}

.history-table td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.empty-row td { text-align: center; color: var(--text-muted); padding: 24px; }

/* --- Buttons --- */
.action-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}

.action-btn:hover { background: var(--bg-hover); }
.action-btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.action-btn.primary:hover { background: var(--accent-light); }
.action-btn.danger { background: var(--danger); border-color: var(--danger); color: white; }
.action-btn.large { width: 100%; padding: 12px; font-size: 16px; }

/* --- Knowledge --- */
.knowledge-actions { margin-bottom: 20px; display: flex; gap: 12px; align-items: center; }

.topic-input {
  display: flex;
  gap: 8px;
  flex: 1;
}

.topic-input input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.knowledge-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.knowledge-card.empty {
  grid-column: 1 / -1;
  padding: 40px;
}

.empty-icon { font-size: 48px; display: block; margin-bottom: 12px; }
.hint { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

/* --- Skills Grid --- */
.skills-tabs { display: flex; gap: 4px; margin-bottom: 20px; }

.tab-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
}

.tab-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.skill-card.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* --- Activity --- */
.activity-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-number { display: block; font-size: 32px; font-weight: 700; color: var(--accent-light); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.activity-timeline { padding: 16px 0; }

.timeline-entry {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.timeline-time { font-size: 12px; color: var(--text-muted); min-width: 60px; }
.timeline-event { font-size: 14px; }

/* --- Tools Grid --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

.tool-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

/* --- Settings --- */
.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.settings-section h3 {
  font-size: 15px;
  margin-bottom: 14px;
  color: var(--accent-light);
}

.settings-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.perf-info { display: flex; flex-direction: column; gap: 8px; }

.info-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.info-row span:first-child { color: var(--text-muted); }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- Search --- */
.search-bar input {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-primary);
  font-size: 14px;
  width: 250px;
}

.eta-display {
  font-size: 14px;
  color: var(--warning);
  font-weight: 600;
}