/* ==========================================================================
   Beauty Tracker — Variabili CSS globali
   Palette delicata ispirata al mondo beauty/skincare, non infantile.
   ========================================================================== */
:root {
  /* --- Colori principali (palette Beauty Tracker) --- */
  --color-bg: #faf7f1;
  --color-surface: #ffffff;
  --color-surface-alt: #f2f0e6;
  --color-border: #dce6c8;
  --color-text: #2f3a33;
  --color-text-muted: #6f7d70;
  --color-text-faint: #9aa696;

  --color-primary: #5e715f;
  --color-primary-dark: #49584a;
  --color-primary-light: #dce6c8;
  --color-accent: #a5b68a;

  /* --- Stati "consigliato" --- */
  --color-positive-bg: #e7f0e3;
  --color-positive-text: #3f6b34;
  --color-positive-border: #b7d4ac;

  --color-neutral-bg: #fbf1dd;
  --color-neutral-text: #8a6a1f;
  --color-neutral-border: #edd8a3;

  --color-negative-bg: #f7e3e1;
  --color-negative-text: #a3392f;
  --color-negative-border: #eabab4;

  --color-unset-bg: #ececec;
  --color-unset-text: #6b6b6b;
  --color-unset-border: #d6d6d6;

  /* --- Feedback --- */
  --color-success: #4c7a3f;
  --color-error: #b0392f;
  --color-warning: #a3781f;
  --color-info: #4a6f8a;

  /* --- Tipografia --- */
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.75rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-base: 1.5;

  /* --- Spaziature --- */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;

  /* --- Bordi --- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --border-width: 1px;

  /* --- Ombre (leggere) --- */
  --shadow-sm: 0 1px 2px rgba(47, 42, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(47, 42, 40, 0.08);
  --shadow-lg: 0 8px 24px rgba(47, 42, 40, 0.10);

  /* --- Dimensioni --- */
  --touch-target-min: 44px;
  --nav-height: 64px;
  --header-height: 56px;
  --max-content-width: 640px;

  /* --- Safe area iPhone --- */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);

  /* --- Transizioni --- */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1c211d;
    --color-surface: #262c26;
    --color-surface-alt: #2e352e;
    --color-border: #3d463d;
    --color-text: #f2f4ee;
    --color-text-muted: #b7c2b3;
    --color-text-faint: #869082;

    --color-primary: #a5b68a;
    --color-primary-dark: #dce6c8;
    --color-primary-light: #3d463a;
    --color-accent: #8c9d78;

    --color-positive-bg: #2c3a27;
    --color-positive-text: #a7d19a;
    --color-positive-border: #3f5537;

    --color-neutral-bg: #3a331e;
    --color-neutral-text: #e3c988;
    --color-neutral-border: #52481f;

    --color-negative-bg: #3a2624;
    --color-negative-text: #e3a49d;
    --color-negative-border: #573531;

    --color-unset-bg: #3a3736;
    --color-unset-text: #b8b0ac;
    --color-unset-border: #4a4644;
  }
}