:root {
  --bg: #f4f6f8;
  --text: #1f2933;
  --card: #ffffff;
  --border: #d9e2ec;
  --accent: #0b7285;
  --error: #b42318;
  --muted: #52606d;
  --notice: #0f5132;
  --input-bg: #ffffff;
  --input-text: #1f2933;
  --topbar-bg: #102a43;
  --topbar-text: #ffffff;
  --topbar-link: #d9e2ec;
  --topbar-link-hover: #ffffff;
  --topbar-chip-bg: rgba(255, 255, 255, 0.08);
  --topbar-chip-border: rgba(255, 255, 255, 0.15);
  --btn-secondary-bg: #f0f4f8;
  --btn-secondary-text: #243b53;
  --btn-secondary-border: #d9e2ec;
  --column-panel-bg: #f8fafc;
  --column-toggle-bg: #ffffff;
  --column-toggle-text: #243b53;
  --column-toggle-badge-bg: #d9e2ec;
  --column-toggle-badge-text: #102a43;
  --hero-bg: radial-gradient(circle at 50% 25%, #e6f7f3 0%, #f7fbfc 60%, #ffffff 100%);
  --hero-text: #0f3d50;
}

html[data-theme="dark"] {
  --bg: #0e1620;
  --text: #d8e3ee;
  --card: #142234;
  --border: #2a3f57;
  --accent: #1fa8be;
  --error: #ff6b6b;
  --muted: #a5b7c8;
  --notice: #73e2b6;
  --input-bg: #0f1d2d;
  --input-text: #d8e3ee;
  --topbar-bg: #0a1320;
  --topbar-text: #ebf2f9;
  --topbar-link: #b7cbde;
  --topbar-link-hover: #ffffff;
  --topbar-chip-bg: rgba(255, 255, 255, 0.06);
  --topbar-chip-border: rgba(255, 255, 255, 0.16);
  --btn-secondary-bg: #182a3f;
  --btn-secondary-text: #d8e3ee;
  --btn-secondary-border: #35506d;
  --column-panel-bg: #102132;
  --column-toggle-bg: #16283c;
  --column-toggle-text: #d8e3ee;
  --column-toggle-badge-bg: #35506d;
  --column-toggle-badge-text: #e7f0f8;
  --hero-bg: radial-gradient(circle at 50% 22%, #153346 0%, #10263a 58%, #142234 100%);
  --hero-text: #8ad8f0;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--topbar-bg);
  color: var(--topbar-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
}

.topbar-controls {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.topbar nav {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--topbar-chip-bg);
  box-shadow: inset 0 0 0 1px var(--topbar-chip-border);
}

.brand-mark svg {
  width: 26px;
  height: 26px;
  display: block;
}

.brand-text {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.topbar a {
  color: var(--topbar-link);
  margin-left: 12px;
  text-decoration: none;
}

.topbar a:hover {
  color: var(--topbar-link-hover);
}

.container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.narrow {
  max-width: 420px;
  margin: 48px auto;
}

.login-hero {
  max-width: 860px;
  margin: 24px auto 0;
  padding: 20px;
  background: var(--hero-bg);
}

.login-shield-art {
  margin: 0;
  font-family: "Courier New", Consolas, monospace;
  font-size: 13px;
  line-height: 1.1;
  text-align: center;
  color: var(--hero-text);
  white-space: pre;
  overflow-x: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.big {
  font-size: 2rem;
  margin: 0;
}

label {
  display: block;
  margin: 10px 0 4px;
}

input,
select,
button {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

input,
select {
  background: var(--input-bg);
  color: var(--input-text);
}

button {
  background: var(--accent);
  color: #ffffff;
  border: none;
  cursor: pointer;
}

.theme-toggle {
  border: 1px solid var(--topbar-chip-border);
  background: var(--topbar-chip-bg);
  color: var(--topbar-text);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.18);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 8px;
  font-size: 0.92rem;
}

.truncate {
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

.column-picker-panel {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--column-panel-bg);
  padding: 12px;
  margin-bottom: 12px;
}

.column-picker-head {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}

.column-picker-title {
  margin: 0 0 4px;
  font-size: 1rem;
}

.column-picker-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.column-picker-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.column-picker-status {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
}

.column-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.column-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 0.88rem;
  color: var(--column-toggle-text);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--column-toggle-bg);
  padding: 6px 10px;
}

.column-toggle input {
  margin: 0;
  padding: 0;
}

.column-toggle-required {
  opacity: 0.8;
}

.column-toggle-badge {
  font-size: 0.72rem;
  background: var(--column-toggle-badge-bg);
  color: var(--column-toggle-badge-text);
  border-radius: 999px;
  padding: 2px 6px;
}

.table-scroll {
  overflow-x: auto;
}

.col-hidden {
  display: none;
}

.error {
  color: var(--error);
}

.notice {
  color: var(--notice);
}

.field-error {
  color: var(--error);
  margin: 6px 0 0;
  font-size: 0.85rem;
}

.helper-text {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 12px;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 900px) {
  .topbar {
    flex-wrap: wrap;
    padding: 10px 14px;
  }

  .topbar-controls {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 720px) {
  .brand-text {
    font-size: 0.95rem;
  }

  .topbar nav a {
    margin-left: 8px;
    font-size: 0.9rem;
  }

  .theme-toggle {
    font-size: 0.82rem;
    padding: 7px 10px;
  }

  .login-hero {
    margin-top: 12px;
    padding: 12px 8px;
  }

  .login-shield-art {
    font-size: 8px;
  }
}