/* =========================================================
   Shared components – forms, alerts, loading (multiple pages)
   ========================================================= */

form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius);
  background: var(--input-bg);
  box-sizing: border-box;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  background: var(--accent);
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  accent-color: var(--accent);
}

button,
input[type="submit"] {
  cursor: pointer;
  background: var(--fg);
  color: var(--fg-inverse);
  border: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.alert {
  background: hsl(3 100% 95%);
  color: hsl(3 70% 35%);
  padding: var(--space-md);
}

.alert--fixed {
  position: fixed;
  top: 0;
  left: 0;
  padding: 0 var(--space-lg);
}

.alert--success {
  color: var(--fg);
  margin-bottom: 1rem;
}

.alert--error {
  background: var(--error-bg);
  color: var(--error);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.alert--stacked {
  display: grid;
  gap: 0.25rem;
}

.loading {
  display: none;
  position: fixed;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999;
  background-color: var(--bg);
  gap: var(--space-md);
}

.loading__spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--input-bg);
  border-top-color: var(--fg);
  border-radius: var(--radius);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.upload-form__price-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
}

.upload-form__price-row .upload-form__input--price {
  flex: 1;
  min-width: 0;
}

.upload-form__price-free {
  flex-shrink: 0;
}

.input-blink {
  animation: blink 0.4s linear 2;
}

@keyframes blink {
  25% { opacity: 1; }
  50% { opacity: 0; }
  75% { opacity: 1; }
}

@media (max-width: 768px) {
  form {
    gap: var(--space-md);
  }

  label {
    line-height: 1.35;
  }

  input,
  select,
  textarea {
    line-height: 1.45;
    padding: var(--space-md) var(--space-lg);
  }

  button,
  input[type="submit"] {
    line-height: 1.2;
    padding: var(--space-md) var(--space-lg);
    white-space: normal;
  }

  .alert,
  .alert--error,
  .loading__text {
    line-height: 1.45;
  }

  .upload-form__price-row {
    gap: var(--space-md);
  }
}

/* =========================================================
   Info button + modal (shared across pages)
   ========================================================= */

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.card__header .card__title {
  margin: 0;
}

.info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  flex-shrink: 0;
  text-transform: none;
  transition: color 0.15s;
  vertical-align: middle;
  margin-left: 0.25rem;
}

.info-btn svg {
  display: block;
}

.info-btn:hover,
.info-btn:focus-visible {
  color: var(--fg-strong);
}

.info-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--muted);
  z-index: 1;
}

.info-modal__content {
  position: relative;
  z-index: 2;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem 1.8rem;
  width: calc(100% - 2rem);
  box-shadow: 0 8px 30px var(--accent);
  text-align: center;
}

.info-modal__text {
  line-height: 1.6;
  color: var(--fg);
  margin: 0 0 1.2rem;
}

.info-modal__close {
  padding: 0.4rem 1.6rem;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--fg-strong);
  cursor: pointer;
}


.info-details {
  margin: 0.5rem 0;
}

.info-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: var(--text-sm);
}

.info-details summary:hover {
  color: var(--fg);
}

/* ---- Unified close (X) button ---- */
.close-x {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: #000;
  color: #fff;
  cursor: pointer;
  z-index: 101;
}

.close-x svg {
  display: block;
  pointer-events: none;
}

.close-x:hover {
  background: #262626;
  color: #fff;
}

.close-x:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .close-x {
    width: 2rem;
    height: 2rem;
  }

  .close-x svg {
    width: 18px;
    height: 18px;
  }
}