/* Shared request modal styles for homepage and memo. */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal, 240);
  display: flex;
  align-items: center;
  justify-content: center;
  background: oklch(4% 0.01 275 / 0.38);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-medium, 300ms) var(--ease-out), visibility var(--dur-medium, 300ms) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  width: 90%;
  max-width: 440px;
  max-height: min(90svh, 720px);
  overflow-y: auto;
  border: 1px solid var(--color-rule-light, var(--rule-light));
  border-radius: var(--radius-lg, 12px);
  padding: 3rem;
  background: var(--color-paper-light, var(--paper-light));
  color: var(--color-ink-light, var(--ink-light));
  transform: translateY(20px) scale(0.97);
  transition: transform var(--dur-medium, 300ms) var(--ease-out), opacity var(--dur-medium, 300ms) var(--ease-out);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  border: none;
  background: none;
  color: var(--color-muted-light, var(--muted-light));
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--dur-short, var(--dur-fast)) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.modal-close:hover {
  color: var(--color-ink-light, var(--ink-light));
  transform: translateY(-1px);
}

.modal h3 {
  margin: 0 0 0.75rem;
  color: var(--color-ink-light, var(--ink-light));
  font-family: var(--font-serif, var(--serif));
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.035em;
}

.modal .modal-sub {
  margin: 0 0 2rem;
  color: var(--color-muted-light, var(--muted-light));
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-subtle-light, var(--subtle-light));
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group input {
  width: 100%;
  border: 1px solid var(--color-rule-light-strong, var(--rule-light-strong));
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  outline: none;
  background: var(--color-paper-light-2, var(--paper-light-2));
  color: var(--color-ink-light, var(--ink-light));
  font-family: var(--font-sans, var(--sans));
  font-size: 0.95rem;
  transition: border-color var(--dur-short, var(--dur-fast)) var(--ease-out), background-color var(--dur-short, var(--dur-fast)) var(--ease-out);
}

.form-group input:focus {
  border-color: var(--color-ink-light, var(--ink-light));
  background: var(--color-paper-light, var(--paper-light));
}

.form-group input::placeholder {
  color: oklch(62% 0.01 275);
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
  border: none;
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--color-ink-light, var(--ink-light));
  color: var(--color-paper-light, var(--paper-light));
  font-family: var(--font-sans, var(--sans));
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--dur-short, var(--dur-fast)) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-short, var(--dur-fast)) var(--ease-out);
}

.form-submit:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px oklch(18% 0.01 275 / 0.16);
}

.form-submit:active {
  transform: translateY(0);
}

.form-submit:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.form-success {
  padding: 2rem 0;
  text-align: center;
  animation: surface-in 260ms var(--ease-out);
}

.form-success h4 {
  margin: 0 0 0.75rem;
  color: var(--color-ink-light, var(--ink-light));
  font-family: var(--font-serif, var(--serif));
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.035em;
}

.form-success p {
  margin: 0;
  color: var(--color-muted-light, var(--muted-light));
  font-size: 0.9rem;
}

.form-group--hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
  height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-error {
  display: none;
  margin-top: 0.5rem;
  color: var(--color-danger, oklch(58% 0.2 28));
  font-size: 0.8rem;
  line-height: 1.35;
}

@keyframes surface-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .modal {
    width: 95%;
    padding: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .modal-overlay,
  .modal,
  .modal-close,
  .form-group input,
  .form-submit {
    transition: none;
  }
}