/* ─────────────────────────────────────────────────────────────
   EFFECTS — shadows, borders, motion — Universität Freiburg
   The CD is flat and confident: borders + flat color do most of the
   work; shadows are subtle and reserved for genuinely floating UI
   (menus, dialogs, toasts). No glow, no heavy drop-shadows.
   ───────────────────────────────────────────────────────────── */
:root {
  /* Borders */
  --border-width:       1.5px;
  --border-width-thick: 2px;

  /* Elevation — soft, cool-tinted from the ink */
  --shadow-none:  none;
  --shadow-xs:    0 1px 2px rgba(0, 19, 26, 0.06);
  --shadow-sm:    0 2px 6px rgba(0, 19, 26, 0.08);
  --shadow-md:    0 6px 20px rgba(0, 19, 26, 0.10);
  --shadow-lg:    0 18px 48px rgba(0, 19, 26, 0.14);
  --shadow-focus: 0 0 0 3px color-mix(in srgb, var(--ufr-blau) 35%, transparent);

  /* Motion — quick, no bounce; functional and calm */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1); /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast:      120ms; /* @kind other */
  --dur-base:      200ms; /* @kind other */
  --dur-slow:      320ms; /* @kind other */

  /* Interaction conventions */
  --press-scale:   0.98; /* @kind other */
  --hover-lift:    -1px;
}