/* === Theme Variables === */
:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #111318;
  --bg-tertiary: #0e1015;
  --bg-card: #181b22;
  --bg-elevated: #1e2128;
  --border: #23272f;
  --border-subtle: #1a1e25;
  --text-primary: #e6e8eb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-dim: #4b5563;
  --accent: #6b8aed;
  --accent-bg: #2a3a6b;
  --accent-hover: #5474d4;
  --accent-border: #3d5299;
  --accent-subtle: rgba(107,138,237,0.08);
  --input-bg: #0e1015;
  --input-border: #23272f;
  --input-focus: #3d5299;
  --msg-user: #1a2744;
  --msg-assistant: #181b22;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 150ms ease;
}

[data-theme="light"] {
  --bg-primary: #C5D3D9;
  --bg-secondary: #d4e0e5;
  --bg-tertiary: #bcccd3;
  --bg-card: #f0f4f6;
  --bg-elevated: #ffffff;
  --border: #e5e7eb;
  --border-subtle: #f0f1f3;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --accent: #4361c2;
  --accent-bg: #4361c2;
  --accent-hover: #3651a8;
  --accent-border: #4361c2;
  --accent-subtle: rgba(67,97,194,0.06);
  --input-bg: #f8f9fb;
  --input-border: #e5e7eb;
  --input-focus: #4361c2;
  --msg-user: #4361c2;
  --msg-assistant: #f3f4f6;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

[data-theme="octoblue"] {
  --bg-primary: #0d1b2a;
  --bg-secondary: #112240;
  --bg-tertiary: #0a1628;
  --bg-card: #162b50;
  --bg-elevated: #1a3158;
  --border: #1e3a5f;
  --border-subtle: #152d4a;
  --text-primary: #ccd6e0;
  --text-secondary: #8899aa;
  --text-muted: #5a7a94;
  --text-dim: #3d6080;
  --accent: #4da6d4;
  --accent-bg: #0d3b5e;
  --accent-hover: #3a8fc0;
  --accent-border: #2a7ab0;
  --accent-subtle: rgba(77,166,212,0.08);
  --input-bg: #0a1628;
  --input-border: #1e3a5f;
  --input-focus: #2a7ab0;
  --msg-user: #0d3b5e;
  --msg-assistant: #162b50;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  background: var(--bg-secondary);
  overflow: hidden;
}

/* === Header === */
header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px 0;
}

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

.brand-icon {
  height: 48px;
  width: 48px;
  object-fit: contain;
}

.brand-wordmark {
  height: 48px;
  object-fit: contain;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.header-link:hover { color: var(--text-primary); }

.header-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.header-logo {
  height: 80px;
  opacity: 0.85;
  transition: opacity var(--transition);
}
.header-logo:hover { opacity: 1; }

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: default;
  border: 1px solid var(--accent-border);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px 0;
}

nav { display: flex; gap: 2px; }

.tab {
  padding: 8px 16px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition);
  border-radius: 0;
}
.tab:hover { color: var(--text-secondary); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab[data-label] {
  font-variant-numeric: tabular-nums;
}

#session-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-left: auto;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

/* === Tab Content === */
.tab-content { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.tab-content.active { display: flex; }
#tab-settings { overflow-y: auto; }
#tab-history { overflow-y: auto; }

/* === Chat === */
#chat-window {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  max-width: 72%;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  line-height: 1.65;
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.message.user {
  align-self: flex-end;
  background: var(--msg-user);
  color: var(--text-primary);
  border-bottom-right-radius: 4px;
}
.message.assistant {
  align-self: flex-start;
  background: var(--msg-assistant);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-bottom-left-radius: 4px;
}
.message.assistant code {
  background: var(--bg-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.82em;
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.message.assistant pre {
  background: var(--bg-primary);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 10px 0;
  border: 1px solid var(--border);
  font-size: 0.82em;
}
.message .saved-to {
  font-size: 0.72rem;
  color: var(--accent);
  font-style: italic;
}

.file-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: 10px;
  flex-wrap: wrap;
}
.file-btn {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  transition: all var(--transition);
}
.file-btn:hover {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent-border);
}

/* Chat Form */
#chat-form {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-tertiary);
}
.chat-input-wrapper {
  display: flex;
  gap: 8px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-lg);
  padding: 4px;
  transition: border-color var(--transition);
}
.chat-input-wrapper:focus-within {
  border-color: var(--input-focus);
}
#chat-form input {
  flex: 1;
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}
#chat-form input::placeholder { color: var(--text-dim); }
#chat-form button {
  padding: 8px 20px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition);
}
#chat-form button:hover { background: var(--accent-hover); }
#chat-form button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Chat Settings */
#chat-settings {
  padding: 10px 24px 14px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-subtle);
}
.settings-row {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}
.settings-row:last-child { margin-bottom: 0; }
#chat-settings input, #chat-settings select {
  flex: 1;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-secondary);
  font-size: 0.78rem;
  transition: border-color var(--transition);
}
#chat-settings input:focus, #chat-settings select:focus {
  border-color: var(--input-focus);
  outline: none;
}
#chat-settings select { max-width: 200px; }

.btn-ghost {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
}
.btn-ghost:hover {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent-border);
}

/* === Toolbar === */
.toolbar {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  align-items: center;
  flex-wrap: wrap;
}
.toolbar-search {
  flex: 1;
  min-width: 180px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.8rem;
}
.toolbar-search:focus { border-color: var(--input-focus); outline: none; }
.toolbar-search::placeholder { color: var(--text-dim); }

.toolbar select {
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-secondary);
  font-size: 0.78rem;
  cursor: pointer;
}
.toolbar select:focus { border-color: var(--input-focus); outline: none; }

.toolbar-actions {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.btn-toolbar {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-toolbar:hover {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent-border);
}
.btn-toolbar.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn-toolbar.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-toolbar:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.btn-toolbar:disabled:hover {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-color: var(--border);
}

/* Toolbar divider */
.toolbar-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  align-self: center;
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 100;
  min-width: 140px;
}
.dropdown.open .dropdown-menu {
  display: block;
}
.dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}
.dropdown-item:hover {
  background: var(--accent-subtle);
  color: var(--accent);
}

/* === Summary Bar === */
.summary-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  text-align: center;
  min-width: 90px;
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--text-dim); }
.stat-card .value { font-size: 1.6em; font-weight: 700; letter-spacing: -0.02em; }
.stat-card .label { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card.green .value { color: #34d399; }
.stat-card.red .value { color: #f87171; }
.stat-card.blue .value { color: #60a5fa; }
.stat-card.orange .value { color: #fbbf24; }

/* === Tables === */
#stg-table-container, #inv-table-container, #hist-table-container {
  flex: 1;
  overflow-y: auto;
  padding: 0 24px 24px;
}
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--bg-card);
  padding: 10px 12px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-secondary);
}
tr:hover { background: var(--accent-subtle); }
tr.detail-row:hover { background: transparent; }
tr.expandable-row { cursor: pointer; }
tr.expandable-row td:last-child::after {
  content: ' \25B8';
  color: var(--text-dim);
  font-size: 0.7rem;
  margin-left: 4px;
}
tr.expandable-row.expanded td:last-child::after {
  content: ' \25BE';
}

.detail-panel {
  padding: 12px 16px;
  background: var(--bg-primary);
  border-left: 3px solid var(--accent);
  margin: 4px 0;
  border-radius: 4px;
}
.detail-section {
  margin-bottom: 10px;
}
.detail-section:last-child { margin-bottom: 0; }
.detail-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 3px;
  font-weight: 600;
}
.detail-panel input, .detail-panel textarea, .detail-panel select {
  width: 100%;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-family: inherit;
  resize: vertical;
}
.detail-panel input:focus, .detail-panel textarea:focus, .detail-panel select:focus {
  border-color: var(--input-focus);
  outline: none;
}

.badge {
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.badge-pass { background: #059669; }
.badge-fail { background: #dc2626; }
.badge-notrun { background: #4b5563; }
.badge-blocked { background: #d97706; }
.badge-p1 { background: #dc2626; }
.badge-p2 { background: #d97706; }
.badge-p3 { background: #059669; }

.tag {
  display: inline-block;
  padding: 2px 7px;
  margin: 1px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 500;
  background: var(--accent-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* === Sync Bar === */
.sync-toolbar { background: var(--bg-card); }
.sync-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; }
.sync-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.sync-btn.xray { background: #6b4fa2; border-color: #7c5fb8; }
.sync-btn.xray:hover { background: #7c5fb8; }
.sync-btn.zephyr { background: #047857; border-color: #059669; }
.sync-btn.zephyr:hover { background: #059669; }
.sync-status { font-size: 0.75rem; margin-left: auto; font-weight: 500; }
.sync-status.syncing { color: #fbbf24; }
.sync-status.success { color: #34d399; }
.sync-status.error { color: #f87171; }

/* === Settings === */
.settings-field { margin-bottom: 14px; }
.settings-field label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 5px;
  font-weight: 500;
}
.settings-field input, .settings-field select {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: border-color var(--transition);
}
.settings-field input:focus, .settings-field select:focus {
  border-color: var(--input-focus);
  outline: none;
}
.settings-field input:disabled { opacity: 0.4; cursor: not-allowed; }

/* === Chat Welcome Card === */
.welcome-card {
  max-width: 520px;
  margin: auto;
  text-align: center;
  padding: 32px 24px;
}
.welcome-card h2 {
  color: var(--text-primary);
  font-size: 1.2em;
  font-weight: 600;
  margin-bottom: 6px;
}
.welcome-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.welcome-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.welcome-prompt {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.welcome-prompt:hover {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent-border);
}

/* === Loading === */
.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}
@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
  100% { content: ''; }
}
#loading-msg { opacity: 0.5; }

/* === 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-dim); }

/* === HTTPS Warning === */
.https-warning {
  background: #dc2626;
  color: white;
  padding: 8px 24px;
  font-size: 0.78rem;
  text-align: center;
  font-weight: 500;
}

/* === Toast Notifications === */
#toast-container {
  position: fixed;
  top: 110px;
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.82rem;
  color: #fff;
  max-width: 420px;
  pointer-events: auto;
  animation: toast-in 0.25s ease-out;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.toast.success { background: #2e7d32; }
.toast.error { background: #c62828; }
.toast.info { background: #1565c0; }
.toast.warn { background: #e65100; }
.toast.fade-out { animation: toast-out 0.3s ease-in forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toast-out { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }