/* xxGPT — токены из design-system-ultimate.html + бренд MaxGPT/Figma */
:root {
  --bg: #0e0e0f;
  --bg-elevated: #18181a;
  --bg-sunken: #222225;
  --bg-muted: #2a2a2e;
  --border: rgba(255, 255, 255, 0.08);
  --border-soft: rgba(255, 255, 255, 0.05);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e8e6df;
  --text-muted: #9e9c96;
  --text-faint: #5a5856;
  --text-dim: #77746f;
  --accent: #721bdb;
  --accent-hover: #8541e0;
  --accent-pressed: #5f16b8;
  --accent-soft: #ad68ff;
  --accent-secondary: #7b6ef6;
  --accent-glow: rgba(114, 27, 219, 0.22);
  --accent-glow-ui: rgba(90, 79, 207, 0.18);
  --accent-soft-ui: rgba(114, 27, 219, 0.12);
  --accent-border: rgba(173, 104, 255, 0.28);
  --accent-border-strong: rgba(173, 104, 255, 0.46);
  --neutral-950: #151515;
  --danger: #e07070;
  --danger-bg: rgba(163, 45, 45, 0.12);
  --danger-border: rgba(224, 112, 112, 0.34);
  --success: #7ddba7;
  --success-bg: rgba(52, 168, 105, 0.12);
  --warning: #e8bd74;
  --warning-bg: rgba(183, 123, 36, 0.12);
  --overlay: rgba(0, 0, 0, 0.58);
  --surface-glass: rgba(24, 24, 26, 0.94);
  --surface-subtle: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(255, 255, 255, 0.075);
  --surface-active: rgba(255, 255, 255, 0.11);
  --input-bg: rgba(8, 10, 14, 0.55);
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --shadow-1: 0 8px 28px rgba(0, 0, 0, 0.35);
  --shadow-dialog: 0 24px 72px rgba(0, 0, 0, 0.52);
  --shadow-focus: 0 4px 12px rgba(114, 27, 219, 0.14), 0 -4px 12px rgba(114, 27, 219, 0.14);
  --focus-ring: 0 0 0 3px var(--accent-glow-ui);
  --font-sans: "Segoe UI Variable", "Aptos", "Segoe UI", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration: 0.18s;
  --duration-slow: 0.4s;
  /* совместимость со старыми классами */
  --surface: var(--bg-elevated);
  --muted: var(--text-muted);
  /* Chat UI (база chatbot-ui.tsx, цвета xxGPT) */
  --chat-orb-a: color-mix(in srgb, var(--accent) 35%, transparent);
  --chat-orb-b: color-mix(in srgb, var(--accent-secondary) 28%, transparent);
  --chat-online: #4ade80;
  --chat-user-grad: linear-gradient(135deg, var(--accent-secondary) 0%, #22d3ee 100%);
  --chat-ai-grad: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  --ease-chat: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Фокус для ссылок (не дублируем кнопки .btn) */
.page-auth a:not(.btn):focus-visible,
.page-admin a:not(.btn):focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* Маркетинг и формы: фон из гайда */
.page-auth {
  position: relative;
  min-height: 100vh;
}

.page-auth::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 90% 50% at 50% -18%, rgba(114, 27, 219, 0.14), transparent 55%),
    radial-gradient(ellipse 48% 42% at 108% 88%, rgba(123, 110, 246, 0.09), transparent 52%),
    radial-gradient(ellipse 38% 32% at -8% 55%, rgba(114, 27, 219, 0.05), transparent 48%);
}

.page-auth .shell {
  position: relative;
  z-index: 1;
}

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.shell--narrow {
  max-width: 420px;
}

.auth-card-animate {
  animation: auth-enter var(--duration-slow) var(--ease-out) both;
}

@keyframes auth-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-mark {
  display: inline-flex;
  vertical-align: middle;
  margin-bottom: 0.35rem;
}

.brand-mark-svg {
  display: block;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow-1);
  transition:
    border-color var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.11);
}

.card h1 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.25;
}

.card--hero {
  text-align: center;
  padding: 2.85rem 1.85rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 1.1rem;
}

.hero-eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-secondary);
  box-shadow: 0 0 12px rgba(123, 110, 246, 0.45);
}

.hero-title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.85rem, 4.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
  background: linear-gradient(127deg, #fff 0%, #e8e6df 45%, var(--accent-soft) 98%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not (background-clip: text) {
  .hero-title {
    color: #fff;
    background: none;
  }
}

.hero-text {
  color: var(--text-muted);
  margin: 0 auto 1.4rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  max-width: 26rem;
}

.hero-brand-lockup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.hero-brand-lockup .hero-title {
  margin: 0;
}

.hero-brand-lockup .brand-mark {
  margin: 0;
}

.hero-actions {
  display: flex;
  gap: 0.65rem;
  justify-content: center;
  flex-wrap: wrap;
}

.auth-muted-lead {
  color: var(--text-muted);
  margin: 0 0 1rem;
  line-height: 1.55;
  font-size: 0.9375rem;
}

.hint--tight {
  margin-top: 0;
}

.hint--admin-note {
  margin-bottom: 1rem;
}

.hint {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-top: 1.15rem;
  line-height: 1.5;
}

.hint a {
  color: var(--accent-soft);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--duration) var(--ease-out);
}

.hint a:hover {
  color: #c9a8ff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.error {
  color: #f0a8a8;
  font-size: 0.875rem;
  margin: 0 0 0.85rem;
  padding: 0.65rem 0.8rem;
  background: var(--danger-bg);
  border: 1px solid rgba(163, 45, 45, 0.3);
  border-radius: var(--r-md);
}

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

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.form input,
.form select,
.form textarea {
  padding: 0.55rem 0.75rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-sunken);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  transition:
    border-color var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.form input::placeholder,
.form textarea::placeholder {
  color: var(--text-faint);
}

.form input:hover,
.form select:hover,
.form textarea:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.form input:focus-visible,
.form select:focus-visible,
.form textarea:focus-visible {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 3px var(--accent-glow-ui);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition:
    background var(--duration) var(--ease-out),
    border-color var(--duration) var(--ease-out),
    color var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.btn:hover:not(:disabled) {
  background: var(--bg-muted);
  border-color: var(--border-strong);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent-soft);
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent-hover) 0%, var(--accent) 100%);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 14px rgba(114, 27, 219, 0.28);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, #9655ed 0%, var(--accent-hover) 100%);
  box-shadow: 0 4px 22px rgba(114, 27, 219, 0.38);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98) translateY(0);
  box-shadow: 0 1px 10px rgba(114, 27, 219, 0.22);
}

.btn-primary:focus-visible {
  box-shadow:
    0 0 0 2px var(--bg),
    0 0 0 4px var(--accent-soft),
    0 4px 22px rgba(114, 27, 219, 0.35);
}

.btn-ghost {
  background: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8125rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.inline-form {
  display: inline;
  margin: 0;
}

/* Админка — те же токены, без отдельного extends base */
.page-admin {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

.page-admin::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse 70% 40% at 50% -10%, rgba(114, 27, 219, 0.08), transparent 50%);
}

.admin-wrap {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2.5rem;
}

.admin-wrap--settings {
  max-width: 1180px;
  padding-top: 1rem;
}

.admin-wrap h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.admin-wrap h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.75rem 0 0.65rem;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.admin-nav {
  margin-bottom: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.admin-nav--chat {
  background: color-mix(in srgb, var(--bg-elevated) 85%, #0f172a 15%);
  box-shadow: 0 8px 24px rgba(7, 10, 20, 0.35);
}

.admin-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--r-md);
  transition:
    background var(--duration) var(--ease-out),
    color var(--duration) var(--ease-out);
}

.admin-nav a:hover {
  color: var(--text);
  background: var(--bg-sunken);
}

.admin-nav a.is-active {
  color: #fff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 78%, #4338ca 22%), color-mix(in srgb, var(--accent-soft) 64%, #6366f1 36%));
  box-shadow: 0 8px 18px rgba(99, 102, 241, 0.25);
}

.admin-nav .inline-form {
  margin-left: auto;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

table.admin-table th,
table.admin-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

table.admin-table th {
  background: var(--bg-sunken);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

table.admin-table tr:last-child td {
  border-bottom: none;
}

table.admin-table tbody tr {
  transition: background var(--duration) var(--ease-out);
}

table.admin-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.mono {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.78rem;
  word-break: break-all;
}

.admin-form {
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: flex-end;
}

.admin-form input[type="text"] {
  padding: 0.5rem 0.65rem;
  min-width: 200px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-sunken);
  color: var(--text);
  font-family: inherit;
}

.admin-form input[type="text"]:focus-visible {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 3px var(--accent-glow-ui);
}

.admin-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.admin-model-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 0.35rem 0 0.5rem;
}

.admin-model-select {
  width: 100%;
  max-width: 42rem;
}

.admin-models-status {
  margin: 0;
  font-size: 0.9em;
}

.admin-settings-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 1120px;
}

.admin-page-head {
  margin: 0 0 1rem;
  padding: 1.15rem 1.2rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(140% 130% at 0% 0%, rgba(114, 27, 219, 0.15) 0%, rgba(114, 27, 219, 0) 60%),
    linear-gradient(160deg, rgba(20, 21, 28, 0.96), rgba(16, 17, 22, 0.94));
}

.admin-page-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

.admin-card {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0) 45%),
    color-mix(in srgb, var(--bg-elevated) 90%, #0b1220 10%);
  box-shadow: 0 10px 26px rgba(5, 8, 18, 0.3);
}

.admin-fields-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 0.95rem;
}

.admin-fields-grid > label {
  margin: 0;
}

.admin-submit-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.25rem;
}

.admin-system-prompt-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
  margin: 0 0 1.25rem;
}

.admin-system-prompt {
  width: 100%;
  min-height: 14rem;
  padding: 0.65rem 0.75rem;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  color: var(--text);
  resize: vertical;
}

.admin-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 28rem;
  margin: 0 0 0.35rem;
  padding: 0.5rem 0;
}

.admin-toggle-row input[type='checkbox'] {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--accent, #6366f1);
}

.admin-toggle-label {
  font-weight: 500;
  font-size: 0.9375rem;
}

.admin-infra-panel {
  max-width: 1120px;
  margin-bottom: 1rem;
  padding: 1.05rem 1.2rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0) 42%),
    color-mix(in srgb, var(--bg-sunken) 88%, #0b1220 12%);
}

.admin-infra-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.admin-infra-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin: 0.75rem 0 0;
}

.admin-infra-table th,
.admin-infra-table td {
  text-align: left;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.admin-infra-table th {
  color: var(--text-muted);
  font-weight: 600;
}

.admin-infra-table code {
  font-size: 0.75rem;
  word-break: break-all;
}

.admin-infra-table tr:last-child td {
  border-bottom: none;
}

.admin-memory-topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.admin-memory-search-wrap {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 0.5rem;
  align-items: center;
}

.admin-memory-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.admin-memory-create {
  margin: 0.7rem 0 0.95rem;
}

.admin-memory-create textarea,
.admin-memory-item-text,
.admin-memory-item-source {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-sunken);
  color: var(--text);
  font-family: inherit;
  font-size: 0.8125rem;
}

.admin-memory-create-actions {
  margin-top: 0.5rem;
  display: flex;
  justify-content: flex-end;
}

.admin-memory-bulk {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.admin-memory-row-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.page-admin .hint code {
  font-size: 0.78rem;
  padding: 0.15rem 0.4rem;
  border-radius: var(--r-sm);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  color: var(--accent-soft);
}

@media (max-width: 960px) {
  .admin-fields-grid {
    grid-template-columns: 1fr;
  }

  .admin-submit-row {
    justify-content: stretch;
  }

  .admin-submit-row .btn {
    width: 100%;
  }

  .admin-memory-search-wrap {
    grid-template-columns: 1fr;
  }
}

/* Отключение анимаций по системной настройке */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}