:root {
  --ink: #1a1d21;
  --ink-muted: #6b7280;
  --border: #e2e5e9;
  --surface: #ffffff;
  --surface-alt: #f4f5f7;
  --accent: #3186c7;
  --accent-ink: #ffffff;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --danger: #d92d20;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Manrope, ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background: var(--surface-alt);
  font-size: 14px;
}

.hidden { display: none !important; }

.muted { color: var(--ink-muted); }
.small { font-size: 12px; }

/* Login screen */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 360px;
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
#login-form { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }

/* Layout */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-title { font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.tabs {
  display: flex; gap: 4px;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  border: none; background: none; padding: 12px 16px; cursor: pointer;
  font-size: 14px; color: var(--ink-muted); border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.content { padding: 24px; max-width: 960px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-header h2 { margin: 0; font-size: 18px; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.data-table th, .data-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
.data-table th { background: var(--surface-alt); color: var(--ink-muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .03em; }
.data-table tr:last-child td { border-bottom: none; }

/* Forms */
.inline-form {
  margin-top: 16px; padding: 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 8px; max-width: 420px;
}
.inline-form h3 { margin: 0 0 4px; font-size: 15px; }
.inline-form label { font-size: 12px; color: var(--ink-muted); margin-top: 4px; }
.form-actions { display: flex; gap: 8px; margin-top: 8px; }

input[type="text"], input[type="email"], select, textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit;
}
textarea { font-family: ui-monospace, monospace; font-size: 12px; resize: vertical; }
#nfc-import-form { max-width: 640px; }

/* Location groups (Vietos tab) */
.location-group { margin-bottom: 20px; }
.location-group-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; background: var(--surface-alt); border: 1px solid var(--border);
  border-bottom: none; border-radius: var(--radius) var(--radius) 0 0;
}
.location-display-edit { display: flex; align-items: center; gap: 6px; }
.location-display-edit label { margin: 0; }
.location-display-edit input { padding: 5px 8px; font-size: 13px; }
.location-group .data-table { border-radius: 0 0 var(--radius) var(--radius); }

/* Buttons */
.btn {
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); cursor: pointer; font-size: 13px; font-weight: 600;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-ghost { background: none; }
.btn-warn { background: var(--warn-soft); color: var(--warn); border-color: var(--warn-soft); }
button.small-btn { padding: 4px 8px; font-size: 12px; }

.status { font-size: 13px; min-height: 18px; }
.status.error { color: var(--danger); }
.status.ok { color: #15803d; }

/* Secrets panel */
.secrets-panel { margin-top: 24px; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.secrets-panel h3 { margin: 0 0 12px; font-size: 15px; }
.secret-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.secret-row:last-of-type { border-bottom: none; }
.secret-label { width: 220px; font-weight: 600; }
.secret-value { flex: 1; font-family: ui-monospace, monospace; font-size: 12px; word-break: break-all; min-width: 140px; }

/* QR */
#qr-result { margin-top: 16px; }
#qr-result img { border: 1px solid var(--border); border-radius: 8px; }

/* Editable inline inputs in tables */
.data-table input[type="text"] { width: 100%; padding: 4px 6px; font-size: 13px; }