:root {
  --primary: #2f6f68;
  --primary-dark: #1f4f4a;
  --danger: #c0392b;
  --border: #d8dee2;
  --bg: #f4f6f7;
  --text: #1b2228;
  --text-muted: #55606b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  padding: 32px 16px;
}

.container { max-width: 560px; margin: 0 auto; }
.container:has(#secrets-table) { max-width: 760px; }

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-muted);
  padding: 4px 2px 16px;
}
.topnav .brand { font-weight: 700; color: var(--text); }
.topnav a { color: var(--primary); text-decoration: none; }
.topnav a:hover { text-decoration: underline; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  padding: 32px;
}

h1 { margin: 0 0 8px; font-size: 24px; }
h2 { font-size: 19px; margin: 0 0 8px; }

.subtitle { color: var(--text-muted); margin: 0 0 24px; font-size: 14.5px; }

.hidden { display: none !important; }

.form-group { margin-bottom: 18px; }

label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; }

input[type="text"], input[type="password"], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}

input[type="file"] { width: 100%; }

textarea { resize: vertical; }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 111, 104, 0.15);
}

.kind-toggle { display: flex; gap: 20px; font-weight: 500; font-size: 14.5px; }
.kind-toggle label { display: flex; align-items: center; gap: 6px; font-weight: 500; }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.hint { color: var(--text-muted); font-size: 12.5px; margin: 6px 0 0; }

.btn-primary, .btn-secondary {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn-primary { background: var(--primary); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }

.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); margin-top: 12px; }
.btn-secondary:hover { background: #eceff0; }

.status { margin-top: 10px; font-size: 13.5px; color: var(--text-muted); min-height: 1.2em; }
.status.error { color: var(--danger); }

.link-row { display: flex; gap: 8px; margin: 12px 0; }
.link-row input { flex: 1; font-family: ui-monospace, monospace; font-size: 13px; }

.error-box {
  background: #fbe9e7;
  color: var(--danger);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14.5px;
  margin-bottom: 12px;
}

.meta-list { margin: 16px 0; }
.meta-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.meta-row:last-child { border-bottom: none; }
.meta-row span { color: var(--text-muted); }

.note-box {
  background: var(--bg);
  border-left: 3px solid var(--primary);
  border-radius: 6px;
  padding: 12px 14px;
  margin: 12px 0;
  font-size: 14px;
}
.note-box #note-content { white-space: pre-wrap; margin-top: 4px; }

.warning { font-size: 13px; color: var(--text-muted); margin: 12px 0; }

.secret-display {
  font-family: ui-monospace, monospace;
  font-size: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  word-break: break-all;
  margin-bottom: 8px;
}

progress {
  width: 100%;
  height: 10px;
  margin-top: 8px;
  accent-color: var(--primary);
}

.table-wrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 480px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
thead th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }

@media (max-width: 480px) {
  .settings-grid { grid-template-columns: 1fr; }
  .card { padding: 22px; }
}