:root {
  --ink: #17201d;
  --muted: #5a6560;
  --line: #cbd2cd;
  --line-strong: #25332d;
  --paper: #ffffff;
  --canvas: #f3f4f1;
  --accent: #184f40;
  --error: #9a2f2f;
  --warning: #8a4b12;
  --warning-bg: #fff4df;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
}

button, input, select { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wordmark {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-decoration: none;
}

.wordmark span { color: var(--muted); font-weight: 600; }
.language-switcher { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 11px; font-weight: 700; }
.language-button { min-width: 28px; min-height: 28px; padding: 0; color: inherit; background: transparent; border: 0; }
.language-button[aria-pressed="true"] { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.auth-topbar,
.admin-topbar {
  min-height: 48px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.auth-page {
  min-height: 100vh;
  background: #f4f5f2;
}

.auth-card {
  width: min(calc(100% - 32px), 440px);
  margin: 10vh auto 0;
  padding: 32px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.auth-card h1 { margin: 0 0 10px; font-size: 25px; line-height: 1.15; }
.auth-intro { margin: 0 0 24px; color: var(--muted); }
.offline-message { margin: 24px 0 0; color: var(--ink); font-size: 16px; }
#login-form { display: grid; gap: 9px; }
#login-form label { color: var(--muted); font-size: 11px; font-weight: 700; }
#login-form input { height: 42px; padding: 7px 10px; border: 1px solid #9ea9a2; border-radius: 2px; }
#login-form input:focus { border-color: var(--accent); }
#login-form input[aria-invalid="true"] { border-color: var(--error); }

.primary-button,
.secondary-button {
  min-height: 34px;
  padding: 0 13px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 700;
}
.primary-button { color: #fff; background: var(--accent); border: 1px solid var(--accent); }
.primary-button:hover { background: #103c31; }
.primary-button:disabled { cursor: progress; opacity: 0.65; }
.secondary-button { color: var(--accent); background: var(--paper); border: 1px solid var(--accent); }
.secondary-button:hover { color: #fff; background: var(--accent); }

.auth-error { margin: 16px 0 0; padding: 9px 11px; color: var(--error); background: #fff0ee; border: 1px solid #e4b9b4; }
.session-conflict { margin-top: 16px; padding: 11px 12px; background: #fff4df; border-left: 3px solid #d69a45; }
.session-conflict p { margin: 0 0 10px; color: var(--warning); font-size: 12px; }
.session-conflict-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.admin-topbar-actions { display: flex; align-items: center; gap: 14px; }
.topbar-link { color: var(--accent); font-size: 11px; font-weight: 700; text-decoration: none; }
.topbar-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.user-label { color: var(--muted); font-size: 11px; }
.topbar-button { min-height: 28px; padding: 0; color: var(--muted); background: transparent; border: 0; font-size: 11px; font-weight: 700; }

.admin-main { width: min(calc(100% - 40px), 1440px); margin: 0 auto; padding: 30px 0 70px; }
.admin-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding-bottom: 18px; border-bottom: 2px solid var(--line-strong); }
.admin-header h1 { margin: 0; font-size: 28px; }
.meta { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.admin-filters { display: flex; align-items: flex-end; gap: 8px; }
.admin-filters label { display: grid; gap: 4px; color: var(--muted); font-size: 10px; font-weight: 700; }
.admin-filters select { height: 34px; padding: 4px 30px 4px 8px; background: var(--paper); border: 1px solid var(--line); }

.admin-section { padding: 22px 0 8px; }
.admin-section h2 { margin: 0 0 12px; font-size: 17px; }
.metric-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.metric { padding: 13px 14px; background: var(--paper); border: 1px solid var(--line); }
.metric-label { color: var(--muted); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.metric-value { margin-top: 3px; font-size: 20px; font-weight: 650; font-variant-numeric: tabular-nums; }

.inline-form { display: flex; align-items: flex-end; gap: 10px; }
.inline-form label { display: grid; flex: 1; gap: 4px; color: var(--muted); font-size: 10px; font-weight: 700; }
.inline-form input { max-width: 360px; height: 34px; padding: 5px 8px; background: var(--paper); border: 1px solid #9ea9a2; }
.admin-controls { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.admin-controls .inline-form { flex: 1; }
.tool-control { display: flex; align-items: center; gap: 12px; padding-bottom: 1px; }
.tool-control span { color: var(--muted); font-size: 10px; font-weight: 700; }
.tool-control strong { min-width: 48px; font-size: 12px; }

.table-wrap { overflow-x: auto; border-top: 1px solid var(--line-strong); }
.admin-table { width: 100%; border-collapse: collapse; background: var(--paper); font-size: 10px; }
.admin-table th { padding: 7px 8px; color: var(--muted); background: #f6f7f5; border-bottom: 1px solid var(--line-strong); font-size: 9px; text-align: left; text-transform: uppercase; letter-spacing: 0.03em; white-space: nowrap; }
.admin-table td { max-width: 320px; padding: 7px 8px; vertical-align: top; border-bottom: 1px solid #e0e4e1; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table .numeric { font-variant-numeric: tabular-nums; white-space: nowrap; }
.admin-table .danger-button { padding: 2px 6px; color: var(--error); background: transparent; border: 1px solid #d6a5a0; font-size: 9px; }
.admin-table .download-link { color: var(--accent); font-weight: 600; text-decoration: none; }
.admin-table .download-link:hover { text-decoration: underline; text-underline-offset: 2px; }
.admin-table .empty { padding: 13px 8px; color: var(--muted); text-align: center; }
.admin-table .user-button { padding: 0; color: var(--accent); background: transparent; border: 0; font: inherit; font-weight: 700; text-align: left; }
.admin-table .user-button:hover { text-decoration: underline; text-underline-offset: 2px; }
.admin-table .report-action { margin-right: 8px; color: var(--accent); font-size: 9px; font-weight: 700; text-decoration: none; }
.admin-table .report-action:hover { text-decoration: underline; text-underline-offset: 2px; }

.activity-feed { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.activity-item { display: grid; grid-template-columns: 128px 150px minmax(0, 1fr); gap: 12px; padding: 8px; border-bottom: 1px solid #e0e4e1; background: var(--paper); font-size: 10px; }
.activity-time, .activity-user { color: var(--muted); }
.activity-summary { min-width: 0; overflow-wrap: anywhere; }
.activity-open { padding: 0; color: var(--accent); background: transparent; border: 0; font: inherit; text-align: left; text-decoration: underline; text-underline-offset: 2px; }
.activity-open:hover { color: var(--ink); }
.activity-error { color: var(--error); }
.activity-feed-compact .activity-item { grid-template-columns: 110px minmax(0, 1fr); }
.activity-feed-compact .activity-user { display: none; }

.admin-modal-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgb(23 32 29 / 45%); }
.admin-modal { position: relative; width: min(100%, 620px); max-height: calc(100vh - 40px); padding: 22px; overflow: auto; background: var(--paper); border: 1px solid var(--line-strong); box-shadow: 0 18px 50px rgb(23 32 29 / 22%); }
.admin-modal-small { width: min(100%, 440px); }
.admin-modal-wide { width: min(100%, 1080px); }
.admin-modal h2 { margin: 0 40px 6px 0; font-size: 20px; }
.admin-modal h3 { margin: 22px 0 8px; font-size: 14px; }
.modal-close { position: absolute; top: 10px; right: 12px; width: 30px; height: 30px; padding: 0; color: var(--muted); background: transparent; border: 0; font-size: 24px; line-height: 1; }
.modal-close:hover { color: var(--ink); }
.generated-key-value { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.generated-key-value code { font-size: 20px; font-weight: 700; letter-spacing: 0.08em; }
.user-cap-form { margin-top: 16px; }
.user-cap-form input { max-width: 220px; }

.confirmation-message { margin: 12px 0 18px; color: var(--muted); line-height: 1.45; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.confirmation-danger { background: var(--error); border-color: var(--error); }
.confirmation-danger:hover { background: #8f2722; border-color: #8f2722; }

.log-header { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.log-actions { display: flex; align-items: center; gap: 12px; }
.log-filter { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 10px; font-weight: 700; }
.server-log-details summary { cursor: pointer; font-size: 17px; font-weight: 700; }
.server-log-details[open] summary { margin-bottom: 12px; }
.logs-output {
  max-height: 360px;
  margin: 8px 0 0;
  padding: 12px;
  overflow: auto;
  color: #cfd8d2;
  background: #17201d;
  border: 1px solid var(--line-strong);
  font: 10px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}
.exchange-json { max-height: 300px; white-space: pre-wrap; overflow-wrap: anywhere; }

@media (max-width: 900px) {
  .metric-row { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
  .admin-header { align-items: flex-start; flex-direction: column; }
  .admin-topbar { align-items: flex-start; padding: 10px 16px; gap: 10px; }
  .admin-topbar-actions { align-items: flex-end; flex-direction: column; gap: 5px; }
  .inline-form { align-items: stretch; flex-direction: column; }
  .admin-controls { align-items: stretch; flex-direction: column; }
  .tool-control { padding: 4px 0 0; }
  .activity-item, .activity-feed-compact .activity-item { grid-template-columns: 1fr; gap: 3px; }
  .admin-modal-backdrop { align-items: start; padding: 10px; }
  .admin-modal { max-height: calc(100vh - 20px); padding: 18px; }
  .log-header, .log-actions { align-items: flex-start; flex-direction: column; }
}