:root {
  --bg: #f7f8fb;
  --fg: #17202a;
  --muted: #667085;
  --primary: #1267d8;
  --primary-strong: #0b4fb3;
  --surface: #ffffff;
  --surface-soft: #eef4ff;
  --border: #d8dee8;
  --ok: #157f3b;
  --warn: #a15c00;
  --err: #b42318;
  --radius: 8px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101418;
    --fg: #ecf1f7;
    --muted: #a8b3c2;
    --primary: #6ea8fe;
    --primary-strong: #9ac2ff;
    --surface: #171d24;
    --surface-soft: #1f2b38;
    --border: #2d3745;
    --ok: #57c785;
    --warn: #f3b35b;
    --err: #ff8a80;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { min-width: 320px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a { color: var(--primary); }

a:hover { color: var(--primary-strong); }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent);
  outline-offset: 3px;
}

h1, h2, h3, p { margin-top: 0; }

h1 { font-size: clamp(2rem, 7vw, 3.75rem); line-height: 1.05; letter-spacing: 0; }
h2 { font-size: 1.35rem; line-height: 1.25; }
h3 { font-size: 1rem; line-height: 1.3; }

code, pre, textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

code {
  padding: 0.1em 0.35em;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-soft);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.container {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-6);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.stack {
  display: grid;
  gap: var(--space-4);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.row--between { justify-content: space-between; }

.section-gap { margin-top: var(--space-6); }

.card {
  display: block;
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
}

.card:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}

.card h2, .card h3 { margin-bottom: var(--space-2); }

.muted { color: var(--muted); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--fg);
  font-weight: 800;
  text-decoration: none;
}

.nav-links {
  display: none;
  position: absolute;
  top: 64px;
  right: var(--space-4);
  left: var(--space-4);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.nav-links.is-open {
  display: grid;
  gap: var(--space-2);
}

.nav-links a {
  padding: var(--space-2) var(--space-3);
  border-radius: 6px;
  color: var(--fg);
  text-decoration: none;
}

.nav-links a:hover { background: var(--surface-soft); }

.nav-toggle {
  width: 42px;
  min-height: 42px;
  margin-left: auto;
  padding: 0;
  border-color: var(--border);
  background: transparent;
  color: var(--fg);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2px 0;
  border-radius: 99px;
  background: currentColor;
}

.user-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.public-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
}

.public-nav a:not(.button) {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-2);
  color: var(--fg);
  font-weight: 700;
  text-decoration: none;
}

.public-nav a:not(.button):hover {
  color: var(--primary-strong);
}

.user-meta {
  display: none;
  min-width: 0;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar--fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-soft);
  color: var(--primary-strong);
  font-weight: 800;
}

.account-menu {
  position: relative;
}

.account-menu summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
}

.account-menu summary::-webkit-details-marker { display: none; }

.account-menu__panel {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  z-index: 20;
  display: grid;
  gap: var(--space-2);
  min-width: 190px;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 30px rgb(15 23 42 / 14%);
}

.account-menu__panel .button {
  width: 100%;
  justify-content: flex-start;
}

label {
  display: grid;
  gap: var(--space-2);
  font-weight: 700;
}

fieldset {
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

legend {
  padding: 0 var(--space-2);
  color: var(--muted);
  font-weight: 700;
}

input, button, select, textarea, .button {
  font: inherit;
}

input, select, textarea {
  width: 100%;
  min-height: 42px;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button--large {
  min-height: 48px;
  padding-inline: 1.15rem;
}

button:hover, .button:hover {
  border-color: var(--primary-strong);
  background: var(--primary-strong);
  color: #fff;
}

.button--secondary, button.secondary, .button.secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--fg);
}

.button--ghost {
  border-color: transparent;
  background: transparent;
  color: var(--fg);
}

button.danger, .button--danger {
  border-color: var(--err);
  background: var(--err);
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.6rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.pill--ok { border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); color: var(--ok); }
.pill--warn { border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); color: var(--warn); }
.pill--err { border-color: color-mix(in srgb, var(--err) 45%, var(--border)); color: var(--err); }

.trust-panel {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.hero {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) 0;
}

.hero p {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.overview-grid, .dashboard-grid {
  grid-template-columns: 1fr;
}

.grid--hero {
  grid-template-columns: 1fr;
}

.hero-card {
  min-height: 210px;
}

.status-mark {
  font-size: 1.5rem;
  line-height: 1;
}

.compact-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-list li {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.compact-list strong,
.compact-list span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.dashboard-details {
  display: grid;
  gap: var(--space-3);
}

.dashboard-details details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.dashboard-details summary {
  min-height: 52px;
  padding: var(--space-4);
  cursor: pointer;
  font-weight: 800;
}

.details-body {
  display: grid;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
}

.two-grid {
  grid-template-columns: 1fr;
}

.checkout-layout {
  display: grid;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-6) 0;
}

.checkout-price {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.checkout-price > div {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.checkout-price strong {
  font-size: 1.35rem;
  line-height: 1.2;
}

.metric {
  font-size: 2rem;
  line-height: 1;
  font-weight: 850;
}

.page-head, .toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.form-grid, .folder-grid {
  display: grid;
  gap: var(--space-4);
}

.inline {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}

.inline input {
  width: auto;
  min-height: auto;
}

.output, .session-content, pre {
  overflow: auto;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
  white-space: pre-wrap;
}

.output.error { color: var(--err); }

.field-error {
  min-height: 1.2rem;
  color: var(--err);
  font-size: 0.86rem;
}

.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline-block;
}

.toast {
  display: none;
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--ok) 45%, var(--border));
  border-radius: var(--radius);
  color: var(--ok);
}

.confirm-dialog {
  width: min(420px, calc(100vw - 2rem));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
}

.confirm-dialog::backdrop {
  background: rgb(15 23 42 / 55%);
}

.confirm-dialog__panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
}

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

.mcp-layout {
  display: grid;
  gap: var(--space-4);
}

.server-items {
  display: grid;
  gap: var(--space-2);
}

.server-items button {
  justify-content: flex-start;
  width: 100%;
  border-color: transparent;
  background: transparent;
  color: var(--fg);
  text-align: left;
}

.server-items button.selected {
  border-color: var(--primary);
  background: var(--surface-soft);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  min-height: 32px;
  padding: 0.25rem 0.55rem;
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--fg);
}

.session-filters {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

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

.table-wrap table th, .table-wrap table td {
  white-space: nowrap;
}

.login-shell {
  min-height: calc(100vh - 120px);
  display: grid;
  place-items: center;
}

.login-panel {
  width: min(560px, 100%);
  text-align: center;
}

.telegram-widget {
  display: grid;
  justify-content: center;
  margin-top: var(--space-5);
}

.landing-hero {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  min-height: min(720px, calc(100vh - 120px));
  padding: var(--space-6) 0;
}

.landing-hero__copy {
  max-width: 760px;
}

.landing-hero__copy p {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.12rem;
}

.landing-hero__panel {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 50px rgb(15 23 42 / 10%);
}

.landing-hero__panel div {
  display: grid;
  gap: var(--space-1);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.landing-hero__panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.landing-section {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--border);
}

.section-head {
  max-width: 720px;
}

.section-head h2,
.pricing-copy h2 {
  font-size: 1.75rem;
}

.landing-grid {
  display: grid;
  gap: var(--space-4);
}

.landing-card {
  min-height: 170px;
}

.step-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: var(--space-3);
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--primary-strong);
  font-weight: 850;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.trust-strip span {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--fg);
  font-weight: 700;
}

.pricing-section {
  align-items: stretch;
}

.pricing-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border));
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 50px rgb(15 23 42 / 10%);
}

.price-line {
  display: grid;
  gap: var(--space-1);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.price-line strong {
  font-size: 2rem;
  line-height: 1.05;
}

.price-line small {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.faq-item summary {
  min-height: 54px;
  padding: var(--space-4);
  cursor: pointer;
  font-weight: 800;
}

.faq-answer {
  padding: 0 var(--space-4) var(--space-4);
}

.landing-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) 0 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.landing-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.checkout-shell {
  min-height: calc(100vh - 120px);
  display: grid;
  place-items: center;
}

.checkout-card {
  width: min(620px, 100%);
}

.onboarding-shell {
  display: grid;
  justify-items: center;
  padding-block: var(--space-5);
}

.onboarding-panel {
  width: min(720px, 100%);
}

.notice {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.notice--error {
  border-color: color-mix(in srgb, var(--err) 45%, var(--border));
  color: var(--err);
}

.checkout-summary {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

.checkout-summary div,
.checkout-note {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.checkout-summary span {
  color: var(--muted);
  font-weight: 700;
}

.checkout-summary strong {
  overflow-wrap: anywhere;
  font-size: 1.15rem;
}

@media (min-width: 768px) {
  .container {
    padding: var(--space-6);
  }

  .nav-toggle { display: none; }

  .nav-links {
    position: static;
    display: flex;
    width: auto;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .user-meta {
    display: grid;
    gap: 0.1rem;
  }

  .overview-grid, .dashboard-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .two-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .checkout-layout {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  }

  .form-grid, .folder-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .mcp-layout {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  }

  .landing-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  }

  .landing-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .landing-grid--features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pricing-section {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  }

  .checkout-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .session-filters {
    grid-template-columns: minmax(220px, 1fr) 220px auto;
    align-items: end;
  }
}

@media (max-width: 767px) {
  h1 { font-size: 2rem; }

  .container {
    padding: var(--space-4) var(--space-3) var(--space-6);
  }

  .actions,
  .toolbar,
  .page-head {
    display: grid;
    grid-template-columns: 1fr;
  }

  .actions > *,
  .toolbar > *,
  .page-head > *,
  button,
  .button {
    width: 100%;
  }

  .public-nav {
    display: grid;
    grid-template-columns: 1fr;
    width: min(12rem, 42vw);
  }

  .public-nav a:not(.button) {
    justify-content: center;
  }

  .landing-hero {
    min-height: auto;
    padding-top: var(--space-5);
  }

  .landing-section {
    padding: var(--space-5) 0;
  }

  .inline {
    width: 100%;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  table[data-card-table],
  table[data-card-table] tbody,
  table[data-card-table] tr,
  table[data-card-table] td {
    display: block;
    width: 100%;
  }

  table[data-card-table] thead {
    display: none;
  }

  table[data-card-table] tr {
    margin-bottom: var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
  }

  table[data-card-table] td {
    display: grid;
    grid-template-columns: minmax(7rem, 38%) minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border);
    white-space: normal;
    overflow-wrap: anywhere;
  }

  table[data-card-table] td:last-child {
    border-bottom: 0;
  }

  table[data-card-table] td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
  }

  .confirm-dialog {
    width: 100vw;
    max-width: none;
    height: 100vh;
    max-height: none;
    margin: 0;
    border-radius: 0;
  }

  .confirm-dialog__panel {
    min-height: 100%;
    align-content: center;
  }
}

@media (min-width: 1024px) {
  .grid--hero {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* Active nav link — visible mode/page indicator */
.nav-links a.active {
  color: var(--primary-strong);
  font-weight: 700;
  position: relative;
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
@media (max-width: 768px) {
  .nav-links a.active { background: var(--surface-soft); border-radius: var(--radius); }
  .nav-links a.active::after { display: none; }
}

/* Active nav link — visible mode/page indicator */
.nav-links a.active {
  color: var(--primary-strong);
  font-weight: 700;
  position: relative;
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
@media (max-width: 768px) {
  .nav-links a.active { background: var(--surface-soft); border-radius: var(--radius); }
  .nav-links a.active::after { display: none; }
}