/* =====================================================================
   Verdauungstagebuch — Component utility classes
   Optional plain-CSS layer that maps tokens to ready-made classes.
   Import after tokens.css:  @import "./design-system/components.css";

   Pair these with the React components in /react, or use directly in
   any HTML/JSX. Every value references a token from tokens.css.
   ===================================================================== */

/* ---------- Lucide line icons ----------
   <i data-lucide="…"> is replaced by <svg class="lucide…"> at runtime
   (lucide.createIcons()). Icons scale to the container's font-size and
   use the design-system stroke width. */
i[data-lucide] { display: inline-flex; width: 1em; height: 1em; }
.lucide { width: 1em; height: 1em; stroke-width: var(--icon-stroke, 1.75); vertical-align: -0.14em; }

/* ---------- Button ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--control-h-md);
  padding: 0 20px;
  border: none;
  border-radius: var(--radius-control);
  font: 600 15px var(--font-sans);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn:disabled { background: var(--color-slate-300); color: #fff; cursor: not-allowed; box-shadow: none; }

.btn--sm { height: var(--control-h-sm); padding: 0 14px; font-size: 13px; border-radius: 8px; }
.btn--lg { height: var(--control-h-lg); padding: 0 28px; font-size: 16px; font-weight: 700; border-radius: 12px; }

.btn--primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover:not(:disabled) { background: var(--color-primary-hover); }
.btn--primary:active:not(:disabled) { background: var(--color-navy-900); transform: translateY(1px); }

.btn--accent { background: var(--color-accent); color: #fff; box-shadow: 0 2px 8px rgb(215 79 40 / .28); }
.btn--accent:hover:not(:disabled) { background: var(--color-accent-hover); }

.btn--secondary { background: var(--bg-app); color: var(--color-primary); border: 1.5px solid var(--color-border-strong); }
.btn--secondary:hover { border-color: var(--color-primary); background: var(--bg-subtle); }

.btn--ghost { background: transparent; color: var(--color-primary); padding: 0 14px; }
.btn--ghost:hover { background: var(--color-slate-100); }

.btn--danger { background: var(--bg-app); color: var(--color-error); border: 1.5px solid #F1C7C7; }
.btn--danger:hover { background: #FCF4F4; border-color: var(--color-error); }

/* ---------- Input ---------- */
.input {
  width: 100%;
  height: var(--control-h-md);
  padding: 0 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-control);
  font: 400 15px var(--font-sans);
  color: var(--text);
  background: var(--bg-app);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input::placeholder { color: var(--text-faint); }
.input:focus { border-color: var(--color-primary); box-shadow: var(--ring); }
.input:disabled { background: var(--color-slate-100); color: var(--text-faint); }
.input--error { border-color: var(--color-error); background: #FCF7F7; }
.input--mono { font: 500 15px var(--font-mono); }

.label { display: block; font: 600 13px var(--font-sans); color: var(--color-slate-700); margin-bottom: 7px; }
.hint  { font: 500 12px var(--font-sans); color: var(--text-faint); margin-top: 6px; }
.hint--error { color: var(--color-error); display: inline-flex; align-items: center; gap: 5px; }

/* ---------- Card ---------- */
.card {
  background: var(--bg-app);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 26px;
}
.card--raised { box-shadow: var(--shadow-md); }
.card--feature { box-shadow: var(--shadow-sm); }

/* ---------- Icon tile ---------- */
.icon-tile {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
}
.icon-tile--navy   { background: var(--color-navy-100);  color: var(--color-navy-700); }
.icon-tile--coral  { background: var(--color-coral-100); color: var(--color-coral-700); }
.icon-tile--green  { background: var(--color-green-100); color: var(--color-green-700); }
.icon-tile--solid  { background: var(--color-navy-700);  color: #fff; }
.icon-tile--lg     { width: 54px; height: 54px; border-radius: 15px; }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font: 700 12.5px var(--font-sans);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}
.badge--success { background: var(--color-success); color: #fff; }
.badge--accent  { background: var(--color-accent);  color: #fff; }
.badge--premium { background: var(--color-coral-100); color: var(--color-coral-700); border-radius: 6px; font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; }
.badge--navy    { background: var(--color-navy-100); color: var(--color-navy-700); }
.badge--neutral { background: var(--color-slate-100); color: var(--color-slate-600); border: 1px solid var(--color-border); }

/* status dots */
.dot { width: 8px; height: 8px; border-radius: var(--radius-pill); display: inline-block; }
.dot--success { background: var(--color-success); }
.dot--warning { background: var(--color-warning); }
.dot--error   { background: var(--color-error); }

/* ---------- Eyebrow ---------- */
.eyebrow {
  font: 700 12px var(--font-sans);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ---------- Choice chip ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font: 600 14px var(--font-sans);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1.5px solid #E5E1D8;
  background: #F4F4F0;
  color: var(--color-slate-700);
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.chip[aria-pressed="true"],
.chip.is-selected {
  background: var(--color-navy-700);
  border-color: var(--color-navy-700);
  color: #fff;
  font-weight: 600;
}
.chip--success.is-selected,
.chip--success[aria-pressed="true"] {
  background: var(--color-green-100);
  border-color: #9FDCBC;
  color: var(--color-green-700);
}
.chip-group { display: flex; flex-wrap: wrap; gap: 9px; }

/* ---------- Segmented toggle ---------- */
.segmented {
  display: inline-flex; gap: 4px; padding: 4px;
  background: var(--color-slate-100);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}
.segmented > button {
  border: none; background: transparent; cursor: pointer;
  font: 600 14px var(--font-sans);
  color: var(--color-slate-600);
  padding: 7px 16px; border-radius: 9px;
}
.segmented > button.is-selected {
  background: var(--color-navy-700); color: #fff;
}

/* ---------- Category tile ---------- */
.category-tile {
  background: var(--bg-app);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 18px 10px;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  cursor: pointer;
}
.category-tile[data-category="meal"]      { border-bottom: 3px solid var(--cat-meal); }
.category-tile[data-category="drink"]     { border-bottom: 3px solid var(--cat-drink); }
.category-tile[data-category="toilet"]    { border-bottom: 3px solid var(--cat-toilet); }
.category-tile[data-category="wellbeing"] { border-bottom: 3px solid var(--cat-wellbeing); }
.category-tile[data-category="sport"]     { border-bottom: 3px solid var(--cat-sport); }

/* ---------- Stat card ---------- */
.stat-card { padding: 18px; border-radius: 14px; }
.stat-card__label {
  display: flex; align-items: center; gap: 8px;
  font: 700 11px var(--font-sans);
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-slate-500);
}
.stat-card__value {
  font: 800 34px var(--font-sans);
  letter-spacing: -0.02em; line-height: 1;
  color: var(--text); margin-top: 8px;
}
.stat-card__delta { font: 600 12.5px var(--font-sans); color: var(--text-faint); margin-top: 8px; }
.stat-card__delta--success { color: var(--color-green-700); }

/* ---------- Callout ---------- */
.callout {
  display: flex; gap: 11px; align-items: flex-start;
  border-radius: 13px; padding: 15px 18px;
  font: 400 13.5px/1.55 var(--font-sans); color: var(--color-slate-700);
}
.callout--info    { background: #EEF5FC; border: 1px solid #CFE0F2; }
.callout--success { background: var(--color-green-100); border: 1px solid #9FDCBC; }
.callout--warning { background: #FBF1DA; border: 1px solid #F0DFB6; }

/* ---------- Code chip ---------- */
.code-chip {
  font: 500 13px var(--font-mono);
  color: var(--color-navy-700);
  background: #EEF3F8; border: 1px solid #CFE0F2;
  padding: 6px 11px; border-radius: 8px;
}

/* ---------- Slider (vanilla) ----------
   Token-driven range input. Set --vt-fill per instance; the fill width is
   driven inline via --vt-pct (see Slider.tsx for the JS that sets it). */
.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 20px; background: transparent; cursor: pointer;
}
.slider::-webkit-slider-runnable-track {
  height: 6px; border-radius: 999px;
  background:
    linear-gradient(var(--vt-fill, var(--color-navy-700)), var(--vt-fill, var(--color-navy-700)))
    0/var(--vt-pct, 50%) 100% no-repeat,
    var(--color-slate-200);
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; margin-top: -7px;
  width: 20px; height: 20px; border-radius: 999px;
  background: var(--vt-fill, var(--color-navy-700));
  border: 3px solid #fff; box-shadow: 0 1px 4px rgba(11,33,53,.35);
}
.slider::-moz-range-track { height: 6px; border-radius: 999px; background: var(--color-slate-200); }
.slider::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--vt-fill, var(--color-navy-700)); }
.slider::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 999px; border: 3px solid #fff;
  background: var(--vt-fill, var(--color-navy-700)); box-shadow: 0 1px 4px rgba(11,33,53,.35);
}
.slider:focus-visible { outline: none; }
.slider:focus-visible::-webkit-slider-thumb { box-shadow: 0 1px 4px rgba(11,33,53,.35), var(--ring); }