/* ===========================================================
   Coach Web UI — Theme & Styles
   All styles in external file. Zero inline styles.
   =========================================================== */

/* ===== THEME VARIABLES ===== */
:root {
  /* Dark mode (default) */
  --bg-primary: #0a0a0f;
  --bg-secondary: #141420;
  --bg-tertiary: #1e1e2e;
  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-primary: #37aafc;
  --accent-primary-hover: #2f9bf0;
  --accent-primary-light: rgba(55, 170, 252, 0.15);
  --accent-on: #04101f;
  --accent-success: #10b981;
  --accent-success-bg: rgba(16, 185, 129, 0.1);
  --accent-error: #ef4444;
  --accent-error-bg: rgba(239, 68, 68, 0.1);
  --accent-warning: #f59e0b;
  --accent-warning-bg: rgba(245, 158, 11, 0.1);
  --border-color: #27272a;
  --border-hover: #3f3f46;
  --border-focus: #37aafc;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --input-bg: #18181b;
  --card-bg: #141420;
  --chat-user-bg: #1976d2;
  --chat-user-text: #ffffff;
  --chat-agent-bg: var(--bg-primary);
  --chat-agent-text: var(--text-primary);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

:root.light {
  /* Light mode overrides */
  --bg-primary: #fafafa;
  --bg-secondary: #f0f0f0;
  --bg-tertiary: #e4e4e4;
  --text-primary: #171717;
  --text-secondary: #525252;
  --text-muted: #a1a1aa;
  --accent-primary: #1273c4;
  --accent-primary-hover: #0e63a9;
  --accent-primary-light: rgba(18, 115, 196, 0.12);
  --accent-on: #ffffff;
  --accent-success: #059669;
  --accent-success-bg: rgba(5, 150, 105, 0.1);
  --accent-error: #dc2626;
  --accent-error-bg: rgba(220, 38, 38, 0.1);
  --accent-warning: #d97706;
  --accent-warning-bg: rgba(217, 119, 6, 0.1);
  --border-color: #d4d4d4;
  --border-hover: #a3a3a3;
  --border-focus: #1273c4;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --input-bg: #ffffff;
  --card-bg: #ffffff;
  --chat-user-bg: var(--accent-primary-light);
  --chat-user-text: var(--text-primary);
}

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

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100dvh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== LAYOUT ===== */
.page-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.content-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-md);
}

/* ===== TYPOGRAPHY ===== */
h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); font-size: 0.875rem; }

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  display: none;
  font-size: 0.8125rem;
  color: var(--accent-error);
  margin-top: 0.25rem;
}

.form-error.visible {
  display: block;
}

.form-submit {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--accent-primary);
  color: var(--accent-on);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin-top: 0.5rem;
}

.form-submit:hover:not(:disabled) {
  background: var(--accent-primary-hover);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-footer {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-footer a {
  color: var(--accent-primary);
  font-weight: 500;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
  min-height: 44px;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--accent-on);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-hover);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  min-height: 36px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  text-decoration: none;
}

/* Disabled buttons render gray regardless of variant — used by the
   verify-by-email button until the new password fields are valid + matching. */
.btn:disabled,
.btn:disabled:hover {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border-color: var(--border-color);
  cursor: not-allowed;
  text-decoration: none;
}

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.25rem;
  line-height: 1;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* ===== NOTIFICATIONS ===== */
.notification {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: none;
}

.notification.visible {
  display: block;
}

.notification-error {
  background: var(--accent-error-bg);
  color: var(--accent-error);
  border: 1px solid var(--accent-error);
}

.notification-success {
  background: var(--accent-success-bg);
  color: var(--accent-success);
  border: 1px solid var(--accent-success);
}

.notification-warning {
  background: var(--accent-warning-bg);
  color: var(--accent-warning);
  border: 1px solid var(--accent-warning);
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
}

/* ===== TOP CONTROLS (theme toggle + language switcher) ===== */
.top-controls {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-controls .theme-toggle {
  position: static;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.6rem;
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  min-height: 44px;
}

.lang-select:hover {
  border-color: var(--border-hover);
}

.lang-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

/* Active item in the navbar language dropdown */
.nav-menu-item-active {
  color: var(--accent-primary);
  font-weight: 600;
}

.nav-menu-check {
  margin-left: auto;
  padding-left: 0.75rem;
  color: var(--accent-primary);
}

/* ===== SPINNER ===== */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== HERO SECTION ===== */
.hero {
  text-align: center;
  max-width: 560px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero h1 .accent {
  color: var(--accent-primary);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-logo {
  width: 80px;
  height: 80px;
  background: var(--accent-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2.5rem;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 639px) {
  .content-card {
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: none;
    border: none;
    background: transparent;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .page-container {
    padding: 1rem;
    justify-content: flex-start;
    padding-top: 3rem;
  }
}

@media (min-width: 640px) and (max-width: 1024px) {
  .content-card {
    max-width: 420px;
  }
}

@media (min-width: 640px) {
  .hero h1 {
    font-size: 3rem;
  }
}

@media (min-width: 1025px) {
  .content-card {
    max-width: 480px;
  }
}

/* ===== X-CLOAK ===== */
[x-cloak] {
  display: none !important;
}

/* ===== CHAT LAYOUT ===== */
.chat-layout {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

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

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.message {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.message.user {
  align-items: flex-end;
}

.message.agent {
  align-items: flex-start;
}

.message-bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  line-height: 1.7;
  font-size: 1.0625rem;
  word-wrap: break-word;
  width: 100%;
}

.message-bubble p {
  margin: 0 0 0.3em 0;
}

.message-bubble p:last-child {
  margin-bottom: 0;
}

.message-bubble ul,
.message-bubble ol {
  margin: 0.25em 0;
  padding-left: 1.5em;
}

.message-bubble li {
  margin-bottom: 0.15em;
}

.message-bubble blockquote {
  margin: 0.5em 0;
  padding: 0.25em 0.75em;
  border-left: 3px solid var(--accent-primary);
  background: var(--accent-primary-light);
  border-radius: var(--radius-sm);
}

.message-bubble pre {
  margin: 0.5em 0;
  padding: 0.75em 1em;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.875em;
}

.message-bubble code {
  background: var(--bg-secondary);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-size: 0.875em;
}

.message-bubble pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.message-bubble hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0.5em 0;
}

.message-bubble strong {
  font-weight: 700;
}

.message-bubble em {
  font-style: italic;
}

.message.user .message-bubble {
  background: var(--chat-user-bg);
  color: var(--chat-user-text);
}

.message.agent .message-bubble {
  background: var(--chat-agent-bg);
  color: var(--chat-agent-text);
}

.message-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

/* ===== SESSION DETAIL CARD (FEAT-SESSION-006 / V1.2) =====
   Read-only summary of a completed session: rendered like a coach message
   (left-aligned, full-width, readable bubble) but WITHOUT a coach label, on
   a classic/neutral card background. Theme-aware via CSS variables. */
.session-detail-card {
  width: 100%;
  background: var(--card-bg);
  color: var(--chat-agent-text);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  line-height: 1.7;
  font-size: 1.0625rem;
  word-wrap: break-word;
  box-shadow: var(--shadow-sm);
}

.session-detail-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.25rem 0;
}

.session-detail-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0 0 0.875rem 0;
}

.session-detail-topic {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 0.75rem 0;
}

.session-detail-section {
  margin-top: 1rem;
}

.session-detail-section-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 0.375rem 0;
}

.session-detail-summary {
  margin: 0;
}

.session-detail-card ul {
  margin: 0;
  padding-left: 1.5em;
}

.session-detail-card li {
  margin-bottom: 0.25rem;
}

.session-detail-card li:last-child {
  margin-bottom: 0;
}

.chat-input-area {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
}

.chat-input-container {
  display: flex;
  gap: 0.75rem;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

.chat-input {
  flex: 1;
  padding: 0.875rem 1.125rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1.0625rem;
  line-height: 1.5;
  resize: none;
  outline: none;
  font-family: inherit;
  max-height: 140px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.chat-input::-webkit-scrollbar {
  width: 6px;
}

.chat-input::-webkit-scrollbar-track {
  background: transparent;
}

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

.chat-input::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.chat-input:focus {
  border-color: var(--border-focus);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.chat-send-btn {
  padding: 0.875rem 1.5rem;
  background: var(--accent-primary);
  color: var(--accent-on);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
  min-width: 100px;
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--accent-primary-hover);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-notification {
  padding: 0.75rem 1rem;
  margin: 0.5rem auto;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  text-align: center;
  max-width: 960px;
  width: 100%;
}

.chat-notification-error {
  background: var(--accent-error-bg);
  color: var(--accent-error);
  border: 1px solid var(--accent-error);
}

.save-notice-row {
  text-align: center;
  padding: 0.25rem 0;
  margin: 0.25rem auto;
  max-width: 960px;
  width: 100%;
}

.save-notice-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
}

.empty-chat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
}

.empty-chat h2 {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* ===== READ-ONLY BANNER (FEAT-SESSION-006 V1.1) ===== */
/* Bar above the messages area for completed / timed_out sessions: locked
   notice + Back to Sessions action. Always visible (not scrolled away). */
.chat-readonly-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.625rem 1.5rem;
  background: var(--accent-primary-light);
  border-bottom: 1px solid var(--accent-primary);
  color: var(--text-primary);
  font-size: 0.9375rem;
}

.chat-readonly-banner-text {
  flex: 1;
  min-width: 200px;
}

.chat-readonly-back-btn {
  min-height: 36px;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  white-space: nowrap;
}

@media (max-width: 639px) {
  .chat-readonly-banner {
    padding: 0.5rem 1rem;
  }
}

@media (max-width: 639px) {
  .chat-messages {
    padding: 1rem;
  }

  .chat-input-area {
    padding: 0.75rem 1rem;
  }
}

/* ===== NAVBAR ===== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 20;
}

.navbar-left {
  display: flex;
  align-items: center;
}

.navbar-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.navbar-logo:hover {
  text-decoration: none;
  opacity: 0.85;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  line-height: 1;
  min-width: 40px;
  min-height: 40px;
}

.nav-icon-btn svg {
  display: block;
}

.nav-icon-btn:hover {
  color: var(--text-primary);
}

.nav-menu-wrap {
  position: relative;
}

.nav-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  min-width: 170px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 0.375rem;
  z-index: 30;
}

.nav-menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  cursor: pointer;
  text-align: left;
}

.nav-menu-item:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* ===== SETTINGS OVERLAY (FEAT-WEBUI-008) ===== */
.settings-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.settings-panel {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  width: 80vw;
  height: 80vh;
  overflow-y: auto;
  /* Scrollbar matching .chat-messages */
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.settings-panel::-webkit-scrollbar {
  width: 6px;
}

.settings-panel::-webkit-scrollbar-track {
  background: transparent;
}

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

.settings-panel::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.settings-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.settings-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  min-width: 40px;
  min-height: 40px;
  border-radius: var(--radius-sm);
}

.settings-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.settings-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.settings-field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.settings-field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.settings-input,
.settings-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.settings-input:focus,
.settings-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

.settings-input::placeholder {
  color: var(--text-muted);
}

.settings-error {
  font-size: 0.8125rem;
  color: var(--accent-error);
  background: var(--accent-error-bg);
  border: 1px solid var(--accent-error);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}

.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ===== SETTINGS SECTIONS (FEAT-WEBUI-009) ===== */
.settings-section {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.settings-section-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.settings-section-explain {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

.settings-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0.125rem 0;
}

.settings-field-explain {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* Settings field label used for non-input values (e.g. read-only email) */
.settings-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Read-only email value: bold text (not an input), clearly immutable */
.settings-email-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 0.25rem 0;
}

/* ===== PER-FIELD RESET (round-arrow) ===== */
.settings-reset-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.settings-reset-btn:hover {
  color: var(--accent-primary);
  border-color: var(--border-focus);
  background: var(--accent-primary-light);
}

/* ===== INLINE CHANGE-PASSWORD FORM ===== */
.settings-password-form {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 0.25rem;
}

.settings-password-error,
.settings-password-success {
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  margin: 0;
}

.settings-password-error {
  color: var(--accent-error);
  background: var(--accent-error-bg);
  border: 1px solid var(--accent-error);
}

.settings-password-success {
  color: var(--accent-success);
  background: var(--accent-success-bg);
  border: 1px solid var(--accent-success);
}

.settings-password-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  /* Visually separate the verify-email button from the section below. */
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.875rem;
  margin-bottom: 0.5rem;
}
  margin-top: 0.25rem;
}

/* ===== PASSWORD CONFIRM PAGE (FEAT-WEBUI-010) ===== */
.confirm-card {
  text-align: center;
}

.confirm-loading {
  display: flex;
  justify-content: center;
  padding: 1.5rem 0;
}

.confirm-result-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.confirm-result-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ===== UNSAVED-CHANGES CONFIRM MODAL ===== */
.settings-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.settings-modal {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  width: min(400px, 90vw);
}

.settings-modal-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
}

.settings-modal-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0 0 1.25rem 0;
}

.settings-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ===== SESSIONS OVERLAY (FEAT-SESSION-006) ===== */
/* Reuses the settings-overlay visual pattern: blur backdrop, theme-aware
   panel, scrollable body. */
.sessions-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.sessions-panel {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  width: 92vw;
  max-width: 1100px;
  height: 80vh;
  overflow-y: auto;
  /* Scrollbar matching .settings-panel / .chat-messages */
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.sessions-panel::-webkit-scrollbar {
  width: 6px;
}

.sessions-panel::-webkit-scrollbar-track {
  background: transparent;
}

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

.sessions-panel::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.sessions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.sessions-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.sessions-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  min-width: 40px;
  min-height: 40px;
  border-radius: var(--radius-sm);
}

.sessions-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.sessions-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sessions-actions {
  display: flex;
  justify-content: flex-end;
}

.sessions-error {
  font-size: 0.8125rem;
  color: var(--accent-error);
  background: var(--accent-error-bg);
  border: 1px solid var(--accent-error);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}

.sessions-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.sessions-empty {
  color: var(--text-muted);
  font-size: 0.9375rem;
  text-align: center;
  padding: 2rem 0;
  margin: 0;
}

.sessions-table-wrap {
  overflow-x: auto;
}

.sessions-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.sessions-table th,
.sessions-table td {
  text-align: left;
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.sessions-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.sessions-table td {
  color: var(--text-primary);
}

.sessions-table tbody tr:hover {
  background: var(--bg-tertiary);
}

/* Status badges: distinct styling per status */
.sessions-status-badge {
  display: inline-block;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.sessions-status-active {
  background: var(--accent-success-bg);
  color: var(--accent-success);
  border: 1px solid var(--accent-success);
}

.sessions-status-completed {
  background: var(--accent-primary-light);
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
}

.sessions-status-timed_out {
  background: var(--accent-warning-bg);
  color: var(--accent-warning);
  border: 1px solid var(--accent-warning);
}

/* Truncated cells (summary / title placeholder) */
.sessions-summary-cell,
.sessions-title-cell {
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sessions-topic-cell {
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sessions-action-btn {
  min-height: 36px;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  white-space: nowrap;
}

/* ===== ONBOARDING FLOW (FEAT-ONBOARDING-001) ===== */
/* Reuses the settings/card visual pattern (theme-aware card on the chat
   background); shown INSTEAD of the chat empty state + input for first-login
   users who have not completed onboarding yet. */
.onboarding-screen-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 2rem 1rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.onboarding-card {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  width: min(560px, 100%);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.onboarding-header {
  position: relative;
  padding-right: 6.5rem;
}

.onboarding-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.375rem 0;
}

.onboarding-welcome {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0;
}

.onboarding-skip-btn {
  position: absolute;
  top: 0;
  right: 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.25rem 0.375rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.onboarding-skip-btn:hover {
  color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.onboarding-progress {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.onboarding-progress-track {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.onboarding-progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  transition: width 0.25s ease;
}

.onboarding-progress-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.onboarding-error {
  font-size: 0.8125rem;
  color: var(--accent-error);
  background: var(--accent-error-bg);
  border: 1px solid var(--accent-error);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}

.onboarding-screen-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
}

.onboarding-screen-explain {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 1rem 0;
}

.onboarding-fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.onboarding-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.onboarding-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.onboarding-input,
.onboarding-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.onboarding-input:focus,
.onboarding-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

.onboarding-input::placeholder {
  color: var(--text-muted);
}

.onboarding-checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1rem;
  color: var(--text-primary);
  cursor: pointer;
}

.onboarding-checkbox {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--accent-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.onboarding-topics {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.onboarding-topic-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.onboarding-topic-row:hover {
  border-color: var(--border-hover);
  background: var(--bg-tertiary);
}

.onboarding-topic-name {
  font-size: 1rem;
  color: var(--text-primary);
}

.onboarding-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.onboarding-actions .btn-secondary {
  margin-right: auto;
}

@media (max-width: 639px) {
  .onboarding-screen-wrap {
    padding: 1.25rem 1rem;
  }

  .onboarding-card {
    padding: 1.25rem;
  }

  .onboarding-header {
    padding-right: 4.5rem;
  }
}