/* Fields and choice controls: tonal boxed inputs (paper-2 + 1.5 px --edge, accent on focus), chip radios,
   toggle, segmented, swatches, search. Markup comes from js/ui/forms.js (field, chipRadios, toggle). */
@layer components {
  .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; min-width: 0; }
  .field-label { font-size: var(--fs-caption); font-weight: 600; color: var(--ink-2); }
  .field-hint, .hint { font-size: var(--fs-caption); color: var(--ink-3); line-height: 1.35; }
  .input {
    width: 100%; min-width: 0; min-height: 48px; padding: 10px 14px; font-size: 16px; line-height: 1.3;
    background: var(--paper-2); border: 1.5px solid var(--edge); border-radius: var(--r-ctl); color: var(--ink); outline: none;
    -webkit-appearance: none; appearance: none; transition: background var(--t-fast), border-color var(--t-fast);
  }
  .input::placeholder { color: var(--ink-3); }
  .input:focus { border-color: var(--accent); background: var(--surface); }
  textarea.input { min-height: 80px; resize: vertical; line-height: 1.45; }
  select.input {
    padding-right: 34px; background-repeat: no-repeat; background-size: 5px 5px;
    background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
  }
  select.input option { background: var(--surface); color: var(--ink); }
  .input-lg { font-family: var(--font-display); font-size: 30px; font-weight: var(--w-display); font-variant-numeric: tabular-nums; padding: 6px 14px; font-variation-settings: var(--fvs-fig); }
  .input-sm { min-height: 36px; padding: 0 10px; font-size: var(--fs-caption); border-radius: 10px; }
  input[type="date"], input[type="time"] { min-height: 48px; text-align: left; }
  input::-webkit-date-and-time-value { text-align: left; }
  input[type="date"]::-webkit-calendar-picker-indicator, input[type="time"]::-webkit-calendar-picker-indicator { opacity: .6; cursor: pointer; }
  :root[data-theme="dark"] input::-webkit-calendar-picker-indicator, :root[data-theme="oled"] input::-webkit-calendar-picker-indicator { filter: invert(1); }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
  .form-row-3 { grid-template-columns: repeat(3, 1fr); }
  .form-row.when-weekday { grid-template-columns: minmax(0, 1fr) 146px; }
  .form-section-title { margin: 8px 0 12px; padding-top: 14px; border-top: 1px solid var(--rule); font-size: var(--fs-kicker); font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); }
  .form-error { margin-bottom: 14px; padding: 6px 0; font-size: var(--fs-caption); font-weight: 600; color: var(--danger); }

  /* unit suffix inside a field (span.input-suffix > input.input + span): "zł", "min" */
  .input-suffix { position: relative; display: block; min-width: 0; }
  .input-suffix > .input { padding-right: 44px; }
  .input-suffix > span { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--ink-3); font-size: var(--fs-caption); pointer-events: none; }

  /* duration picker (durationPicker() in js/ui/forms.js): 30/45/60/90 min + "Inna"; minutes field only for "Inna" */
  .dur { display: grid; gap: 8px; }
  .dur-other { max-width: 160px; }
  .dur-other[hidden] { display: none; }

  /* chip radios / chip buttons: active = ink on paper */
  .chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
  .chip-radio { position: relative; cursor: pointer; }
  .chip-radio input { position: absolute; opacity: 0; pointer-events: none; }
  .chip-radio span, .chip-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 0 14px; white-space: nowrap;
    background: var(--paper-2); border: 1.5px solid transparent; border-radius: var(--r-pill); font-weight: 600; font-size: var(--fs-caption); color: var(--ink-2);
    transition: transform var(--t-fast) var(--ease-out);
  }
  .chip-btn:active { transform: scale(.96); }
  .chip-radio input:checked + span, .chip-btn.active, .chip-btn.is-active, .chip-btn[aria-checked="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .chip-radio input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
  .wd-group { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
  .wd-group .chip-radio span { width: 100%; padding: 0; }
  /* .chip-row: a few long options on one line, equal columns, text may break inside a chip (Powtarzanie) */
  .chip-row { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 6px; }
  .chip-row .chip-radio span { width: 100%; padding: 4px 8px; white-space: normal; text-align: center; line-height: 1.15; }

  /* toggle (label.toggle > input + .toggle-ui + .toggle-text) */
  .toggle { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; margin-bottom: 8px; cursor: pointer; }
  .toggle input { position: absolute; opacity: 0; pointer-events: none; }
  .toggle-text { order: -1; flex: 1; display: flex; flex-direction: column; gap: 2px; }
  .toggle-label { font-weight: 600; }
  .toggle-ui { flex: none; width: 46px; height: 28px; border-radius: 14px; background: var(--rule-2); position: relative; transition: background var(--t-base); }
  .toggle-ui::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 2px rgba(0, 0, 0, .25); transition: transform var(--t-base) var(--ease-out); }
  .toggle input:checked + .toggle-ui { background: var(--accent); }
  .toggle input:checked + .toggle-ui::after { transform: translateX(18px); }
  .toggle input:focus-visible + .toggle-ui { outline: 2px solid var(--accent); outline-offset: 2px; }

  /* segmented: typographic tabs on paper-2, active = surface + 1 px shadow; counter in <i> */
  .segmented { display: inline-flex; gap: 2px; padding: 3px; max-width: 100%; overflow-x: auto; scrollbar-width: none; background: var(--paper-2); border-radius: var(--r-ctl); }
  .segmented button { min-height: 38px; padding: 0 12px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; font-weight: 600; color: var(--ink-2); transition: background var(--t-fast), color var(--t-fast); }
  .segmented button i { font-style: normal; font-weight: 500; font-size: var(--fs-caption); color: var(--ink-3); font-family: var(--font-num); font-variant-numeric: tabular-nums; }
  .segmented button.active, .segmented button[aria-selected="true"] { color: var(--ink); background: var(--surface); box-shadow: var(--shadow-sm), 0 0 0 1px var(--rule); }
  .segmented .ico { color: var(--ink-3); }
  .segmented.full { display: flex; width: 100%; }
  .segmented.full button { flex: 1; }
  .segmented-sm button { min-height: 34px; padding: 0 10px; font-size: var(--fs-caption); }

  /* swatches (accent, student colour) */
  .swatches { display: flex; flex-wrap: wrap; gap: 8px; }
  .swatch { position: relative; width: 44px; height: 44px; border-radius: 50%; display: inline-grid; place-items: center; cursor: pointer; }
  .swatch input { position: absolute; opacity: 0; pointer-events: none; }
  .swatch span { width: 26px; height: 26px; border-radius: 50%; background: var(--hue); }
  .swatch input:checked + span, .swatch-btn.is-sel span { box-shadow: 0 0 0 3px var(--paper), 0 0 0 5px var(--ink); }

  /* search field */
  .search { position: relative; flex: 1; min-width: 0; max-width: 420px; display: block; }
  .search-ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); display: grid; color: var(--ink-3); pointer-events: none; }
  .search-input { width: 100%; min-height: 44px; padding: 0 14px 0 42px; font-size: 16px; background: var(--paper-2); border: 1.5px solid var(--edge); border-radius: var(--r-ctl); outline: 0; -webkit-appearance: none; appearance: none; }
  .search-input:focus { border-color: var(--accent); background: var(--surface); }

  @media (max-width: 520px) {
    .form-row-3 { grid-template-columns: 1fr 1fr; }
    .form-row-3 .field:first-child { grid-column: 1 / -1; }
    .form-row.when-weekday { grid-template-columns: 1fr; }
  }
  @media (max-width: 760px) {
    .segmented button { min-height: 44px; }
    .chip-radio span, .chip-btn { min-height: 44px; }
  }
  @media (max-width: 400px) { .dur-seg button { padding: 0 4px; font-size: var(--fs-caption); } }
}