/* Layout & spacing */

.import {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  padding-bottom: calc(var(--bottom-nav-height) + var(--space-xl) + env(safe-area-inset-bottom, 0px));
}

.import__primary {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.import__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.import__input-area {
  gap: var(--space-sm);
}

.import__input-area .nr-input__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

[data-app-state="empty"] .import__input-area,
[data-app-state="idle"] .import__input-area,
[data-app-state="error"] .import__input-area {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
}

[data-app-state="empty"] .import__input .nr-input__field,
[data-app-state="idle"] .import__input .nr-input__field {
  border-width: 2px;
}

[data-app-state="empty"] .import__input .nr-input__field {
  border-style: dashed;
  background-color: var(--color-secondary);
}

[data-app-state="empty"] .import__input .nr-input__field:focus {
  border-color: var(--color-primary);
  border-style: solid;
  background-color: var(--color-primary-soft);
  outline: none;
}

.import__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.import__recent {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.import__recent[hidden] {
  display: none;
}

.import__input--filled .nr-input__field {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  border-style: solid;
}

.import__error-hint {
  display: none;
}

#import-input-wrap.nr-input--error .import__error-hint {
  display: block;
}

.import__validate-hint {
  display: none;
  margin: 0;
  color: var(--color-text-muted);
}

.import__validate-hint:not([hidden]) {
  display: block;
}

.import__validate-hint--invalid {
  color: var(--color-error);
}

.import__input--invalid .nr-input__field {
  border-color: var(--color-error);
}

.import__input .nr-input__field:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  background-color: var(--color-secondary);
}

.import__btn-paste:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.import__btn-reimport[hidden] {
  display: none;
}

[data-app-state="empty"] .import__btn-reimport:not([hidden]),
[data-app-state="idle"] .import__btn-reimport:not([hidden]) {
  display: inline-flex;
}

.import__recent-placeholder {
  color: var(--color-text-muted);
  font-style: normal;
}

.import__input-large .nr-input__field {
  min-height: 60px;
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  transition:
    border-color 0.3s ease,
    background-color 0.3s ease,
    border-style 0.2s ease;
}

.import__input--flash .nr-input__field {
  border-color: var(--color-primary);
  border-style: solid;
  background-color: var(--color-primary-soft);
}

.import__workflow-label {
  margin: 0;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.import__workflow-label--success {
  color: var(--color-success);
}

/* Ready note */

.import__ready-note {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-success);
}

/* Page visibility */

.import__form,
.import__recent {
  display: none;
}

[data-app-state="empty"] .import__form,
[data-app-state="idle"] .import__form {
  display: flex;
}

[data-app-state="error"] .import__form {
  display: none;
}

[data-app-state="idle"] #import-recent-section:not([hidden]) {
  display: block;
}

/* Buttons */

.import__btn-import,
.import__btn-retry {
  display: none;
}

[data-app-state="empty"] .import__btn-import,
[data-app-state="idle"] .import__btn-import {
  display: inline-flex;
}

[data-app-state="error"] .import__btn-retry {
  display: inline-flex;
}

[data-app-state="error"] #import-input-wrap {
  display: flex;
}

#import-input-wrap.nr-input--error .nr-input__field {
  border-color: var(--color-error);
}

.import__btn-import:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

[data-app-state="idle"] .import__btn-import,
.import__btn-listen {
  min-height: 52px;
  font-size: var(--font-size-lg);
}

.import__btn-paste {
  display: inline-flex;
}

.import__btn-label--busy {
  display: none;
}

.import__btn-import--busy .import__btn-label--default {
  display: none;
}

.import__btn-import--busy .import__btn-label--busy {
  display: inline;
}

.import__btn-import--busy {
  opacity: 0.85;
  pointer-events: none;
}

.import__btn-paste--done {
  border-color: var(--color-success);
  color: var(--color-success);
  background-color: var(--color-success-bg);
}

.import--working {
  pointer-events: none;
}

.import--working .nr-state--processing,
.import--working .import__failure {
  pointer-events: auto;
}

[data-app-state="error"] .import__btn-retry {
  display: none;
}

/* Import feedback */

.import__feedback {
  display: none;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
}

[data-app-state="loading"] .import__feedback,
[data-app-state="processing"] .import__feedback,
[data-app-state="error"] .import__feedback {
  display: flex;
}

.import__status-title {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.import__feedback-url {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.import__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

.import__step {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.import__step-marker {
  flex-shrink: 0;
  width: 1.25rem;
  text-align: center;
}

.import__step-label {
  display: none;
}

.import__step--pending .import__step-marker::before {
  content: "○";
  color: var(--color-text-muted);
}

.import__step--pending .import__step-label--pending {
  display: inline;
  color: var(--color-text-muted);
}

.import__step--active .import__step-marker::before {
  content: "⏳";
}

.import__step--active .import__step-label--active {
  display: inline;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.import__step--done .import__step-marker::before {
  content: "✓";
  color: var(--color-success);
}

.import__step--done .import__step-label--done {
  display: inline;
  color: var(--color-text);
}

.import__step--failed .import__step-marker::before {
  content: "✗";
  color: var(--color-error);
}

.import__step--failed .import__step-label--failed {
  display: inline;
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
}

.import__slow {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-secondary);
}

.import__slow[hidden] {
  display: none;
}

.import__slow-title {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.import__slow-hint {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.import__slow-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

/* Import failure */

.import__failure {
  display: none;
  flex-direction: column;
  gap: var(--space-md);
}

[data-app-state="error"] .import__failure {
  display: flex;
}

.import__failure-card {
  gap: var(--space-sm);
}

.import__failure-title {
  font-weight: var(--font-weight-semibold);
}

.import__failure-reasons {
  margin: var(--space-xs) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.import__failure-list {
  margin: 0;
  padding-left: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

.import__failure-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.import--working .import__feedback {
  pointer-events: auto;
}

.import--working .import__slow-actions {
  pointer-events: auto;
}

/* Preparing animation (legacy — hidden) */

.import__preparing {
  gap: var(--space-lg);
  padding: var(--space-lg);
}

.import__spinner-wrap {
  padding: var(--space-sm) 0 var(--space-md);
}

.import__spinner {
  width: 36px;
  height: 36px;
  border-width: 3px;
}

@keyframes import-prepare-glow {
  0%,
  100% {
    border-color: var(--color-border);
    box-shadow: none;
  }

  50% {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
  }
}

[data-app-state="loading"] .import__preparing,
[data-app-state="processing"] .import__preparing {
  animation: import-prepare-glow 2.4s ease infinite;
}

@keyframes import-step-in {
  from {
    opacity: 0;
    transform: translateX(-6px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.import__preparing .nr-preparing-card__step {
  animation: import-step-in 0.35s ease both;
}

.import__preparing .nr-preparing-card__step:nth-child(1) {
  animation-delay: 0.05s;
}

.import__preparing .nr-preparing-card__step:nth-child(2) {
  animation-delay: 0.12s;
}

.import__preparing .nr-preparing-card__step:nth-child(3) {
  animation-delay: 0.19s;
}

@keyframes import-dot-pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 var(--color-primary-soft);
  }

  50% {
    transform: scale(1.3);
    box-shadow: 0 0 0 4px var(--color-primary-soft);
  }
}

[data-app-state="loading"] .import__preparing .nr-state__step--preparing .nr-preparing-card__dot,
[data-app-state="processing"][data-process-step="translating"] .import__preparing .nr-state__step--translating .nr-preparing-card__dot,
[data-app-state="processing"][data-process-step="generating"] .import__preparing .nr-state__step--generating .nr-preparing-card__dot {
  animation: import-dot-pulse 1.4s ease infinite;
}

.import .nr-state__progress-fill {
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-app-state="loading"] .import .nr-state__progress {
  display: flex;
}

[data-app-state="loading"] .import .nr-state__progress-fill {
  width: 22%;
  animation: import-progress-alive 1.6s ease-in-out infinite;
}

@keyframes import-progress-alive {
  0%,
  100% {
    width: 18%;
    opacity: 0.85;
  }

  50% {
    width: 32%;
    opacity: 1;
  }
}

[data-app-state="processing"][data-process-step="translating"] .import .nr-state__progress-fill {
  animation: import-progress-translate 2.2s ease-in-out infinite;
}

@keyframes import-progress-translate {
  0%,
  100% {
    width: 42%;
  }

  50% {
    width: 52%;
  }
}

[data-app-state="processing"][data-process-step="generating"] .import .nr-state__progress-fill {
  animation: import-progress-generate 2.4s ease-in-out infinite;
}

@keyframes import-progress-generate {
  0%,
  100% {
    width: 66%;
  }

  50% {
    width: 78%;
  }
}

/* Ready animation */

.import__ready {
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-success-bg);
  border-color: var(--color-success);
}

.import__ready-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

@keyframes import-ready-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

[data-app-state="ready"] .import__ready {
  animation: import-ready-in 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes import-ready-icon {
  0% {
    transform: scale(0.6);
    opacity: 0;
  }

  60% {
    transform: scale(1.08);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

[data-app-state="ready"] .import__ready .nr-ready-card__icon {
  animation: import-ready-icon 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

@keyframes import-ready-title {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-app-state="ready"] .import__ready .nr-ready-card__title,
[data-app-state="ready"] .import__ready .import__ready-note {
  animation: import-ready-title 0.4s ease 0.2s both;
}

/* Transition to Home */

body.import--to-reader .import__primary {
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

body.import--to-reader .import__ready {
  transform: scale(1.02);
  transition: transform 0.35s ease;
}

body.import--to-reader .import__btn-listen {
  transform: scale(0.97);
  opacity: 0.9;
  transition:
    transform 0.35s ease,
    opacity 0.35s ease;
}

/* Button feedback */

.import__btn {
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform 0.12s ease,
    opacity 0.2s ease;
}

.import__btn:active:not(:disabled) {
  transform: scale(0.97);
}

@media (prefers-reduced-motion: reduce) {
  .import__preparing,
  .import__ready,
  .import__preparing .nr-preparing-card__step,
  [data-app-state="ready"] .import__ready .nr-ready-card__icon,
  [data-app-state="loading"] .import .nr-state__progress-fill,
  [data-app-state="processing"] .import .nr-state__progress-fill {
    animation: none;
  }

  body.import--to-reader .import__primary,
  body.import--to-reader .import__ready,
  body.import--to-reader .import__btn-listen {
    transition: none;
  }
}