:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-soft: #f0f4f5;
  --line: #d9e1e4;
  --line-strong: #b9c8ce;
  --text: #142126;
  --muted: #64747c;
  --accent: #24505a;
  --accent-strong: #173941;
  --accent-soft: #e3f0f2;
  --success: #1e6b50;
  --danger: #a33b3b;
  --warning: #8a5a14;
  --shadow: 0 16px 44px rgba(20, 33, 38, 0.08);
  --radius: 8px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans:
    "Inter", "Avenir Next", "Helvetica Neue", "PingFang SC", "Noto Sans SC",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(36, 80, 90, 0.06), transparent 240px),
    var(--bg);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.app {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 22px 0 28px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.title-block {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.title-targets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.title-targets span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
}

.github-link {
  gap: 7px;
  color: var(--text);
  text-decoration: none;
}

.github-link:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.github-link svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: currentColor;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  width: min(760px, 100%);
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.segmented button {
  min-height: 38px;
  min-width: 0;
  padding: 0 8px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  line-height: 1.15;
  white-space: normal;
  overflow-wrap: anywhere;
}

.segmented button[aria-pressed="true"] {
  background: var(--accent);
  color: #fff;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 13px;
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary,
.button-ghost {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.button-secondary:hover,
.button-ghost:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.panel-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.panel-body {
  padding: 14px 16px 16px;
}

.session-guide {
  margin: 0 0 12px;
  padding: 13px 14px;
  border: 1px solid rgba(36, 80, 90, 0.34);
  border-left: 5px solid var(--accent);
  border-radius: var(--radius);
  background: #eaf5f7;
  color: var(--text);
  line-height: 1.5;
}

.session-guide strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-strong);
  font-size: 0.98rem;
}

.session-guide p {
  margin: 0;
  color: #33464d;
  font-size: 0.9rem;
}

.session-guide a {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.session-guide .session-warning {
  margin-top: 7px;
  color: var(--danger);
  font-weight: 700;
}

.input-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.textarea-shell {
  position: relative;
}

textarea {
  display: block;
  width: 100%;
  min-height: 430px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: #fbfcfd;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.5;
  white-space: pre;
}

textarea:focus {
  outline: 2px solid rgba(36, 80, 90, 0.22);
  border-color: var(--accent);
}

textarea[readonly] {
  background: #f8fafb;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.stat {
  min-height: 72px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.stat-value {
  font-family: var(--mono);
  font-size: 1.22rem;
  font-weight: 800;
}

.stat-label {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.accounts {
  overflow: auto;
  max-height: 212px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.86rem;
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

tr:last-child td {
  border-bottom: 0;
}

.col-name {
  width: 23%;
}

.col-email {
  width: 31%;
}

.col-expiry {
  width: 24%;
}

.cell-clip {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.status-line {
  min-height: 22px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.status-line.is-ok {
  color: var(--success);
}

.status-line.is-error {
  color: var(--danger);
}

.issues {
  display: none;
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid rgba(163, 59, 59, 0.22);
  border-radius: var(--radius);
  background: #fff7f7;
  color: var(--danger);
  font-size: 0.88rem;
  line-height: 1.45;
}

.issues.is-visible {
  display: block;
}

.notice {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid rgba(138, 90, 20, 0.22);
  border-radius: var(--radius);
  background: #fffaf0;
  color: var(--warning);
  font-size: 0.88rem;
  line-height: 1.45;
}

.hidden {
  display: none !important;
}

@media (max-width: 960px) {
  .topbar,
  .toolbar,
  .workspace {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
  }

  .meta-row,
  .actions {
    justify-content: flex-start;
  }

  .workspace {
    display: block;
  }

  .panel + .panel {
    margin-top: 12px;
  }
}

@media (max-width: 620px) {
  .app {
    width: min(100vw - 20px, 1280px);
    padding-top: 14px;
  }

  .toolbar {
    display: block;
  }

  .segmented {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    margin-bottom: 10px;
  }

  .actions,
  .input-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

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

  .col-expiry,
  .col-type,
  td:nth-child(3),
  td:nth-child(4),
  th:nth-child(3),
  th:nth-child(4) {
    display: none;
  }

  .col-name,
  .col-email {
    width: 50%;
  }

  textarea {
    min-height: 320px;
    font-size: 0.8rem;
  }
}

.fork-attribution {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.fork-attribution a {
  color: var(--accent);
  text-underline-offset: 3px;
}