/* Design system ispirato a Structured: token */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Rounded",
               "Helvetica Neue", "Segoe UI", Roboto, sans-serif;

  --bg-app:#F4F5F7; --bg-surface:#FFFFFF; --bg-input:#EDEEF1; --line:#E1E3E8;
  --text-primary:#1C1C1E; --text-secondary:#6E737C; --text-muted:#A3A8B1;
  --accent:#3478F6; --accent-soft:#E3EDFE; --now:#FF3B30;
  --late-bg:#FDE8E6; --late-fg:#A8231B;   /* task non terminati dei giorni scorsi */

  --cat-blue-bg:#E6F1FB;   --cat-blue-fg:#0C447C;
  --cat-teal-bg:#E1F5EE;   --cat-teal-fg:#085041;
  --cat-amber-bg:#FAEEDA;  --cat-amber-fg:#633806;
  --cat-purple-bg:#EEEDFE; --cat-purple-fg:#3C3489;
  --cat-coral-bg:#FAECE7;  --cat-coral-fg:#712B13;
  --cat-pink-bg:#FBEAF0;   --cat-pink-fg:#72243E;
  --cat-green-bg:#EAF3DE;  --cat-green-fg:#27500A;
  --cat-gray-bg:#ECEBE5;   --cat-gray-fg:#444441;

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px; --sp-6:24px; --sp-8:32px;
  --r-card:16px; --r-sheet:24px; --r-day:14px; --r-pill:999px;

  --shadow-fab:0 4px 14px rgba(52,120,246,.35);
  --shadow-sheet:0 -8px 40px rgba(0,0,0,.14);
  --backdrop:rgba(0,0,0,.3);

  --ease:cubic-bezier(.2,.8,.2,1); --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --t-fast:150ms; --t-base:250ms; --t-slow:350ms;

  --time-col:44px; --hour-h:64px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-app:#111214; --bg-surface:#1C1D21; --bg-input:#26272C; --line:#2E3036;
    --text-primary:#F2F2F4; --text-secondary:#9A9FA8; --text-muted:#63676F;
    --accent:#5B94F8; --accent-soft:#1F2F4D; --now:#FF5A50;
    --late-bg:#5C1A16; --late-fg:#FFB4AB;
    --shadow-fab:0 4px 14px rgba(91,148,248,.3);
    --backdrop:rgba(0,0,0,.55);

    --cat-blue-bg:#0C447C;   --cat-blue-fg:#B5D4F4;
    --cat-teal-bg:#085041;   --cat-teal-fg:#9FE1CB;
    --cat-amber-bg:#633806;  --cat-amber-fg:#FAC775;
    --cat-purple-bg:#3C3489; --cat-purple-fg:#CECBF6;
    --cat-coral-bg:#712B13;  --cat-coral-fg:#F5C4B3;
    --cat-pink-bg:#72243E;   --cat-pink-fg:#F4C0D1;
    --cat-green-bg:#27500A;  --cat-green-fg:#C0DD97;
    --cat-gray-bg:#3A3A38;   --cat-gray-fg:#D3D1C7;
  }
}