/* ============================================================
   Inscrição: trilha horizontal, campos planos, estados nomeados
   ============================================================ */

.registration-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--space-24);
  background: transparent;
  overflow: auto;
  visibility: hidden;
  pointer-events: none;
  transition: background-color var(--motion-dialog) var(--ease-out),
    visibility 0s linear var(--motion-dialog);
}

.registration-modal.is-open {
  background: var(--scrim-strong);
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.registration-dialog {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(980px, 100%);
  max-height: calc(100dvh - 48px);
  overflow: hidden;
  border: var(--line-strong) solid var(--structure);
  border-radius: var(--radius-surface);
  background: var(--surface-plain);
  box-shadow: 0 0 0 transparent;
  transition: border-color var(--motion-dialog) var(--ease-out),
    box-shadow var(--motion-dialog) var(--ease-out);
}

.registration-modal.is-open .registration-dialog {
  border-color: var(--action);
  box-shadow: var(--solid-offset) var(--solid-offset) 0 var(--action);
}

.registration-dialog__header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-24);
  padding: var(--space-24);
  border-bottom: var(--line-soft) solid var(--line);
}

.registration-dialog__header h2 {
  font-size: var(--text-h3);
  text-transform: uppercase;
}

.registration-dialog__event {
  margin-top: var(--space-8);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.registration-close {
  flex: 0 0 auto;
  min-width: 44px;
  height: 44px;
  padding-inline: var(--space-12);
  border: var(--line-soft) solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-plain);
  color: var(--structure);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  transition: border-color var(--motion-feedback) var(--ease-out),
    color var(--motion-feedback) var(--ease-out);
}

.registration-close:hover {
  border-color: var(--action);
  color: var(--action-ink);
}

.registration-form-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 0;
}

/* --- Trilha de progresso ------------------------------------------------ */
.registration-stepper {
  padding: var(--space-20) var(--space-24) 0;
}

.registration-progress {
  display: none;
  gap: var(--space-8);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.registration-progress progress {
  width: 100%;
  height: 4px;
  accent-color: var(--action);
}

.registration-stepper__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-16);
}

.registration-stepper__button {
  display: grid;
  gap: var(--space-8);
  justify-items: start;
  min-height: 44px;
  padding: 0 0 var(--space-8);
  border: 0;
  background: transparent;
  text-align: left;
}

.registration-stepper__track {
  width: 100%;
  height: var(--line-strong);
  background: var(--line);
  transition: background-color var(--motion-step) var(--ease-out);
}

.registration-stepper__number {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: var(--tracking-meta);
  transition: color var(--motion-step) var(--ease-out);
}

.registration-stepper__label {
  color: var(--muted);
  font-size: var(--text-label);
  font-weight: 600;
  transition: color var(--motion-step) var(--ease-out);
}

.registration-stepper__button.is-active .registration-stepper__track {
  background: var(--action);
}

.registration-stepper__button.is-active .registration-stepper__number {
  color: var(--action-ink);
}

.registration-stepper__button.is-active .registration-stepper__label {
  color: var(--structure);
}

.registration-stepper__button.is-complete .registration-stepper__track {
  background: var(--color-teal-comunidade);
}

.registration-stepper__button.is-complete .registration-stepper__number,
.registration-stepper__button.is-complete .registration-stepper__label {
  color: var(--status-open-ink);
}

.registration-stepper__button:disabled {
  cursor: not-allowed;
}

/* --- Etapa -------------------------------------------------------------- */
.registration-step {
  position: relative;
  display: grid;
  gap: var(--space-20);
  align-content: start;
  min-height: 0;
  overflow: auto;
  padding: var(--space-24);
}

.registration-step::before {
  content: "";
  width: min(96px, 28%);
  height: var(--line-emphasis);
  background: var(--action);
  transform-origin: left center;
  animation: registration-step-line var(--motion-step) var(--ease-out) both;
}

@keyframes registration-step-line {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .registration-step::before {
    animation: none;
  }
}

.registration-step__content {
  display: grid;
  gap: var(--space-20);
}

.registration-step h3 {
  font-size: 1.2rem;
  text-transform: uppercase;
}

.registration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-16);
}

.registration-field {
  display: grid;
  gap: var(--space-8);
  align-content: start;
}

.registration-field input,
.registration-field select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: var(--line-soft) solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--motion-feedback) var(--ease-out),
    background-color var(--motion-feedback) var(--ease-out),
    box-shadow var(--motion-feedback) var(--ease-out);
}

.registration-field input:focus,
.registration-field select:focus {
  border-color: var(--focus);
  background: var(--surface-plain);
  box-shadow: 3px 3px 0 var(--warm-line);
}

.registration-field.has-error input,
.registration-field.has-error select {
  border-color: var(--status-alert-ink);
  background: var(--status-alert-surface);
}

.registration-field-error,
.registration-error-text {
  display: none;
  color: var(--status-alert-ink);
  font-size: var(--text-small);
  font-weight: 600;
}

.registration-field-error::before,
.registration-error-text::before {
  content: "! ";
  font-family: var(--font-mono);
  font-weight: 700;
}

.registration-field.has-error .registration-field-error,
.registration-checkbox.has-error .registration-field-error,
.registration-error-text {
  display: block;
}

.registration-error-text {
  padding: var(--space-12);
  border: var(--line-soft) solid var(--status-alert-line);
  border-left-width: var(--line-strong);
  background: var(--status-alert-surface);
}

.registration-help {
  padding-left: var(--space-12);
  border-left: var(--line-strong) solid var(--motion);
  color: var(--muted);
  font-size: var(--text-label);
}

/* --- Atletas ------------------------------------------------------------- */
.participants-step {
  display: grid;
  gap: var(--space-20);
}

.participants-list {
  display: grid;
  gap: 0;
  border-top: var(--line-soft) solid var(--line);
}

.participant-card {
  display: grid;
  gap: var(--space-16);
  padding-block: var(--space-20);
  border-bottom: var(--line-soft) solid var(--line);
}

.participant-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
}

.participant-card h4 {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.participant-remove {
  min-height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--status-alert-ink);
  font-size: var(--text-label);
  font-weight: 700;
}

.participant-remove:disabled {
  color: var(--muted);
}

/* --- Revisão ------------------------------------------------------------- */
.registration-review {
  display: grid;
  gap: 0;
  border-top: var(--line-strong) solid var(--line-strong-color);
}

.review-block {
  display: grid;
  gap: var(--space-12);
  padding-block: var(--space-16);
  border-bottom: var(--line-soft) solid var(--line);
}

.review-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
}

.review-block h4 {
  color: var(--structure);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.review-list {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: var(--space-8) var(--space-24);
}

.review-list dt {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.review-list dd {
  min-width: 0;
  margin: 0;
  color: var(--structure);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.review-participants {
  display: grid;
  gap: var(--space-8);
  padding-left: 1.2rem;
}

.review-participants li {
  color: var(--muted);
  font-size: var(--text-label);
}

.review-participants strong {
  display: block;
  color: var(--structure);
}

.registration-checkbox {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--space-12);
  align-items: start;
  margin-top: var(--space-16);
  color: var(--ink);
  font-size: var(--text-label);
  font-weight: 500;
}

.registration-checkbox input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--action);
}

.registration-checkbox small {
  grid-column: 2;
}

.registration-demo-note {
  padding: var(--space-12);
  border: var(--line-soft) solid var(--status-demo-line);
  border-left-width: var(--line-strong);
  background: var(--status-demo-surface);
  color: var(--status-demo-ink);
  font-size: var(--text-small);
  font-weight: 600;
}

/* --- Rodapé do diálogo ---------------------------------------------------- */
.registration-dialog__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding: var(--space-16) var(--space-24);
  border-top: var(--line-soft) solid var(--line);
  background: var(--surface-plain);
}

.registration-save {
  min-height: 20px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.registration-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-12);
}

.registration-actions--wrap {
  flex-wrap: wrap;
  justify-content: flex-start;
}

/* --- Painéis: retomar, sair, sucesso -------------------------------------- */
.registration-panel {
  display: grid;
  gap: var(--space-20);
  align-content: start;
  overflow: auto;
  padding: var(--space-32);
  border-left: var(--line-emphasis) solid var(--action);
}

.registration-panel--choice {
  max-width: 720px;
}

.registration-panel h3 {
  font-size: 1.2rem;
  text-transform: uppercase;
}

.registration-panel p {
  color: var(--muted);
}

.registration-success {
  align-content: start;
}

.protocol-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: var(--space-16);
  padding-block: var(--space-12);
  border-bottom: var(--line-soft) solid var(--line);
}

.protocol-row:first-of-type {
  border-top: var(--line-strong) solid var(--line-strong-color);
}

.protocol-row span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

.protocol-row strong {
  color: var(--structure);
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

/* --- Responsivo ------------------------------------------------------------ */
@media (max-width: 720px) {
  .registration-modal {
    display: grid;
    padding: 0;
  }

  .registration-modal.is-open {
    display: grid;
  }

  .registration-dialog {
    width: 100%;
    min-height: 100dvh;
    max-height: none;
    border: 0;
  }

  .registration-modal.is-open .registration-dialog {
    box-shadow: none;
  }

  .registration-dialog__header {
    padding: var(--space-20);
  }

  .registration-close {
    font-size: 0;
  }

  .registration-close::before {
    content: "×";
    font-size: 1.6rem;
    line-height: 1;
  }

  .registration-stepper {
    padding: var(--space-16) var(--space-20) 0;
  }

  .registration-progress {
    display: grid;
  }

  .registration-stepper__list {
    display: none;
  }

  .registration-step {
    padding: var(--space-20);
  }

  .registration-grid,
  .review-list,
  .protocol-row {
    grid-template-columns: 1fr;
  }

  .registration-dialog__footer {
    position: sticky;
    bottom: 0;
    align-items: stretch;
    flex-direction: column;
    padding: var(--space-16) var(--space-20) max(var(--space-16), env(safe-area-inset-bottom));
  }

  .registration-actions,
  .registration-actions .btn {
    width: 100%;
  }

  .registration-actions {
    justify-content: stretch;
  }

  .registration-actions .btn {
    flex: 1;
  }

  .registration-panel {
    padding: var(--space-24) var(--space-20);
  }

  .registration-panel .registration-actions {
    flex-direction: column;
  }

  .registration-panel .registration-actions .btn {
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .registration-modal,
  .registration-dialog {
    transition: none;
  }
}