/* Notion-style minimalist design */
:root {
  --bg: #ffffff;
  --surface: #f7f6f3;
  --surface-hover: #efeeea;
  --text: #37352f;
  --muted: #787774;
  --border: #e9e9e7;
  --accent: #2eaadc;
  --accent-hover: #1e98c7;
  --danger: #e03e3e;
  --success: #0f7b0f;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1 { font-size: 28px; font-weight: 700; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 20px; font-weight: 600; margin: 24px 0 8px; }

.muted { color: var(--muted); }
.center { text-align: center; }
.hidden { display: none !important; }
.mt-24 { margin-top: 24px; }

/* ---- Auth pages ---- */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: var(--surface);
}

.auth-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.auth-card h1 { margin-bottom: 4px; font-size: 24px; }
.auth-card > .muted { margin-top: 0; margin-bottom: 24px; }

/* ---- Forms ---- */
form label {
  display: block;
  margin-bottom: 16px;
}

form label > span {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

form .hint {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

input[type="email"],
input[type="password"],
input[type="url"],
input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 170, 220, 0.15);
}

.btn-primary {
  display: inline-block;
  width: 100%;
  padding: 11px 16px;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 8px;
  transition: background 120ms ease;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.btn-secondary:hover { background: var(--surface-hover); }

.btn-copied {
  background: #e6f7ed !important;
  border-color: #a8d9b9 !important;
  color: var(--success) !important;
}

.btn-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto !important;
  padding: 9px 16px !important;
  margin-top: 0 !important;
  text-decoration: none;
}
.btn-inline:hover { text-decoration: none; }

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.result-actions .btn-secondary {
  padding: 9px 16px;
  font-size: 14px;
}

/* ---- Users table (admin) ---- */
.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 16px;
}
.users-table th,
.users-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.users-table th {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.users-table tbody tr:hover { background: var(--surface); }
.users-table .col-actions { text-align: right; white-space: nowrap; }
.users-table .col-actions form { margin-left: 6px; }

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  margin-left: 6px;
  vertical-align: middle;
}
.tag-ok { background: #e6f7ed; color: var(--success); }
.tag-warn { background: #fff4e0; color: #a96a00; }
.tag-admin { background: #eef2ff; color: #3949ab; }

.btn-danger {
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--danger);
  background: #fff0f0;
  border: 1px solid #f5caca;
  border-radius: 6px;
  cursor: pointer;
  transition: background 120ms ease;
}
.btn-danger:hover { background: #ffe4e4; }

.btn-link {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
}
.btn-link:hover { color: var(--text); }

.inline-form { display: inline; }

/* ---- Flash messages ---- */
.flash {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 16px;
}
.flash-error {
  background: #fff0f0;
  color: var(--danger);
  border: 1px solid #f5caca;
}
.flash-info {
  background: #eef7ff;
  color: #1867a0;
  border: 1px solid #cce3f5;
}

/* ---- Top bar ---- */
.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }

.topbar-nav { display: flex; gap: 4px; margin: 0 auto; }
.topbar-nav a {
  padding: 6px 12px;
  border-radius: 5px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}
.topbar-nav a:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.topbar-nav a.active { color: var(--text); background: var(--surface); font-weight: 500; }

/* ---- Main page ---- */
.page {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 24px;
}
.page-wide { max-width: 960px; }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.code-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
}
.code-row code { flex: 1; color: var(--text); word-break: break-all; }

/* ---- Status / result panels ---- */
.status {
  margin-top: 24px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result {
  margin-top: 24px;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}
.result h2 { margin-top: 0; }
.result .kv { display: grid; grid-template-columns: 200px 1fr; row-gap: 8px; font-size: 14px; }
.result .kv dt { color: var(--muted); }
.result .kv dd { margin: 0; color: var(--text); }
.result-success { border-left: 3px solid var(--success); }
.result-error   { border-left: 3px solid var(--danger); background: #fff7f7; }

.changes-details {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}
.changes-details > summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  user-select: none;
}
.changes-details > summary::-webkit-details-marker { display: none; }
.changes-details > summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 8px;
  transition: transform 120ms ease;
  color: var(--muted);
}
.changes-details[open] > summary::before { transform: rotate(90deg); }

.changes-list {
  margin: 0;
  padding: 4px 14px 14px 32px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
}
.changes-list li {
  padding: 6px 0;
  border-top: 1px solid var(--border);
}
.changes-list li:first-child { border-top: none; }
.changes-list .diff-old {
  background: #fff0f0;
  color: #8a1a1a;
  padding: 1px 4px;
  border-radius: 3px;
  text-decoration: line-through;
  text-decoration-color: rgba(138, 26, 26, 0.4);
}
.changes-list .diff-new {
  background: #e6f7ed;
  color: #0f5c1a;
  padding: 1px 4px;
  border-radius: 3px;
}
.changes-list .diff-arrow {
  color: var(--muted);
  margin: 0 8px;
}