/* styles/default/components/c-field.css — #4 formulářová rodina: c-form, c-field, c-input, c-textarea, c-select(-wrap), c-check, c-switch, c-input-group
   Created :: 2026-10-21
   Updated :: 2026-10-28
   2026-10-28 :: M9 – M9-10 (viz 04 kap. 3) */

.c-form { display: flex; flex-direction: column; gap: var(--sp-4); }
.c-form__actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); justify-content: flex-end; padding-top: var(--sp-2); }

.c-field { display: flex; flex-direction: column; gap: var(--sp-1); min-width: 0; }
.c-field__label { font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--color-text); }
.c-field__req { color: var(--color-danger); margin-left: var(--sp-half); }
.c-field__hint { font-size: var(--fs-xs); color: var(--color-text-muted); }
.c-field__error { font-size: var(--fs-xs); color: var(--color-danger); }

/* Ovládací prvky */
.c-input, .c-textarea, .c-select {
  width: 100%;
  height: var(--control-h);
  padding: 0 var(--sp-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--r-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  transition: border-color var(--dur-1) var(--ease-out), background-color var(--dur-1) var(--ease-out);
}
.c-input:hover, .c-textarea:hover, .c-select:hover { border-color: var(--color-text-subtle); }
.c-input:focus-visible, .c-textarea:focus-visible, .c-select:focus-visible { border-color: var(--color-primary); border-radius: var(--r-md); }
.c-input[disabled], .c-textarea[disabled], .c-select[disabled] { opacity: .6; cursor: not-allowed; background: var(--color-surface-2); }
.c-input[readonly], .c-textarea[readonly] { background: var(--color-surface-2); }
.c-input--sm { height: var(--control-h-sm); padding: 0 var(--sp-2); font-size: var(--fs-sm); border-radius: var(--r-sm); }
.c-select--sm { height: var(--control-h-sm); padding: 0 3rem 0 var(--sp-2); font-size: var(--fs-sm); border-radius: var(--r-sm); }
.c-select-wrap--sm::after { right: 1.1rem; }

.c-textarea { height: auto; min-height: 9rem; padding: var(--sp-2) var(--sp-3); resize: vertical; field-sizing: content; }

.c-select-wrap { position: relative; }
.c-select { appearance: none; padding-right: 3.6rem; cursor: pointer; }
.c-select-wrap::after {
  content: "";
  position: absolute;
  right: 1.4rem;
  top: 50%;
  width: .7rem;
  height: .7rem;
  border-right: var(--stroke-2) solid var(--color-text-muted);
  border-bottom: var(--stroke-2) solid var(--color-text-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

/* Neplatné pole */
.c-field.is-invalid .c-input, .c-field.is-invalid .c-textarea, .c-field.is-invalid .c-select,
.c-input[aria-invalid="true"], .c-textarea[aria-invalid="true"], .c-select[aria-invalid="true"] { border-color: var(--color-danger); }

/* Checkbox, radio */
.c-check { display: inline-flex; align-items: center; gap: var(--sp-2); min-height: var(--control-h-sm); cursor: pointer; font-size: var(--fs-base); }
.c-check input { width: 1.6rem; height: 1.6rem; margin: 0; flex-shrink: 0; accent-color: var(--color-primary); cursor: pointer; }
.c-check input:focus-visible { border-radius: var(--r-xs); }
.c-check--disabled, .c-check:has(input[disabled]) { opacity: .6; cursor: not-allowed; }
.c-check__input { width: 1.6rem; height: 1.6rem; margin: 0; flex-shrink: 0; accent-color: var(--color-primary); cursor: pointer; }   /* samostatný checkbox bez obalu c-check: položky filtrů v c-menu (M9-10, N41) */

/* Přepínač on/off */
.c-switch { display: inline-flex; align-items: center; gap: var(--sp-2); cursor: pointer; font-size: var(--fs-base); }
.c-switch input {
  appearance: none;
  position: relative;
  width: 3.6rem;
  height: 2rem;
  margin: 0;
  flex-shrink: 0;
  border-radius: var(--r-full);
  background: var(--color-border-strong);
  cursor: pointer;
  transition: background-color var(--dur-2) var(--ease-out);
}
.c-switch input::before {
  content: "";
  position: absolute;
  top: var(--sp-half);
  left: var(--sp-half);
  width: 1.6rem;
  height: 1.6rem;
  border-radius: var(--r-full);
  background: var(--color-surface);
  box-shadow: var(--sh-xs);
  transition: transform var(--dur-2) var(--ease-out);
}
.c-switch input:checked { background: var(--color-primary); }
.c-switch input:checked::before { transform: translateX(1.6rem); }
.c-switch input:focus-visible { border-radius: var(--r-full); }

/* Pole bez vnějšího okraje (formuláře v řádku: přidání člena, nová sekce) a pole s šířkou podle obsahu (filtry logu) – modifikátory místo stylu podle rodiče (N87) */
.c-field--flush { margin: 0; }
.c-input--auto, .c-select--auto { width: auto; min-width: 12rem; }
.c-input--auto-sm { min-width: 10rem; }

/* Input + tlačítko (např. heslo s okem) */
.c-input-group { display: flex; align-items: stretch; }
.c-input-group > .c-input { flex: 1; min-width: 0; border-start-end-radius: 0; border-end-end-radius: 0; }
.c-input-group > .c-button { height: auto; margin-left: -1px; border-start-start-radius: 0; border-end-start-radius: 0; }
.c-input-group > .c-input:focus-visible { z-index: 1; }

/* Rozvržení */
.c-form--grid { display: grid; grid-template-columns: 1fr; gap: var(--sp-4); }
@media (min-width: 768px) {
  .c-form--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c-form--grid .c-form__actions, .c-form--grid .c-field--full { grid-column: 1 / -1; }
}

/* Mobil: dotyková výška a písmo ≥ 16 px (iOS Safari jinak při fokusu stránku přiblíží) */
@media (max-width: 767.98px) {
  .c-input, .c-textarea, .c-select { min-height: var(--touch-min); font-size: var(--fs-input-touch); }
  .c-input--sm, .c-select--sm { min-height: 3.6rem; font-size: var(--fs-input-touch); }
}