:root{
  --font-ui: Tahoma, Arial, sans-serif;
  --page-max-width: 1480px;
  --content-max-width: 1480px;
  --board-column-min: 270px;
  --settings-panel-max-width: 1480px;
  --profile-panel-max-width: 1480px;
  --auth-panel-max-width: 420px;
  --panel-form-max-width: 1480px;
  --card-dialog-max-width: 980px;
  --column-dialog-max-width: 720px;
  --topbar-icon-size: 34px;
  --topbar-icon-font-size: 18px;
  --profile-icon-font-size: 12px;
  --icon-settings: "🛠";
  --icon-administration: "⚙";
  --icon-notifications: "🔔";
  --icon-close: "x";
  --icon-add: "+";
  --icon-column-watch: "👀";
  --icon-copy-link: "🔗";
  --icon-remove: "⌧";
  --icon-move-up: "↑";
  --icon-move-down: "↓";
  --icon-move-left: "←";
  --icon-move-right: "→";
  --bg: #dfe7f0;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --column-bg: #f9fafb;
  --ink: #172033;
  --muted: #64748b;
  --border: #d8e0ea;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-soft: #d8f3ee;
  --warning: #b42318;
  --danger-soft: #fff5f4;
  --danger-border: #efc8c4;
  --warning-soft: #fff8e7;
  --warning-text: #7a4a06;
  --success-soft: #edfdfa;
  --success-text: #115e59;
  --panel-radius: 8px;
  --card-radius: 8px;
  --control-radius: 7px;
  --shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
}