:root {
    --tcl-blue-night: #0b1f3a;
    --tcl-blue: #0d6efd;
    --tcl-green: #198754;
    --tcl-yellow: #ffc107;
    --tcl-red: #dc3545;
    --tcl-bg: #f5f7fa;
    --tcl-text: #1f2937;
    --tcl-muted: #6b7280;
    --tcl-white: #ffffff;
    --tcl-border: #e5e7eb;
    --tcl-radius: 18px;
    --tcl-shadow: 0 16px 40px rgba(15, 23, 42, .08);
    --tcl-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}