/* ================================================================
   Convert PDF — styles/convert-pdf.css
   Design System: PAPIC OS / Stacks (base.css variables)
   ================================================================ */

/* --- Shell & Hero (Pattern A: hub-wrapper + first section) --- */

.cv-main {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

.cv-hero {
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
}

.cv-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-2);
}

.cv-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-circle);
  background: var(--color-primary);
  display: inline-block;
  animation: cv-pulse 2s ease-in-out infinite;
}

@keyframes cv-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.cv-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-h2);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.cv-desc {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
  max-width: 540px;
}

/* --- Workspace Card --- */

.cv-workspace {
  margin-bottom: var(--space-5);
}

.cv-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-muted);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  min-height: 264px;
  box-shadow: var(--shadow-raised);
  transition: box-shadow var(--transition-default);
}

.cv-card:hover {
  box-shadow: var(--shadow-floating);
}

/* --- Upload Zone --- */

.cv-upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-7) var(--space-3);
  border: 2px dashed var(--color-border-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  position: relative;
}

.cv-upload-zone:hover {
  border-color: var(--color-primary);
  background: rgba(252, 100, 50, 0.03);
}

.cv-upload-zone:focus-visible {
  outline: 3px solid rgba(252, 100, 50, 0.28);
  outline-offset: 4px;
  border-color: var(--color-primary);
}

.cv-upload-zone.is-dragover {
  border-style: solid;
  border-color: var(--color-primary);
  background: rgba(252, 100, 50, 0.06);
  transform: scale(1.01);
}

.cv-upload-zone[hidden] {
  display: none;
}

.cv-upload-icon {
  font-size: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  transition: transform 0.3s ease;
}

.cv-upload-zone:hover .cv-upload-icon {
  transform: translateY(-4px);
}

.cv-upload-zone.is-dragover .cv-upload-icon {
  transform: translateY(-8px) scale(1.1);
}

.cv-upload-text {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.cv-upload-hint {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.cv-upload-formats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.cv-format-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-neutral);
  border-radius: var(--radius-lg);
  letter-spacing: 0.3px;
}

.cv-format-tag .fa-file-word { color: #2B579A; }
.cv-format-tag .fa-file-excel { color: #217346; }
.cv-format-tag .fa-file-powerpoint { color: #D24726; }

.cv-upload-limit {
  font-size: 11px;
  color: var(--color-neutral-medium);
  margin-top: 4px;
}

/* --- File Info Card --- */

.cv-file-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--color-bg-lighter);
  border: 1px solid var(--color-border-muted);
  border-radius: var(--radius-md);
  margin-top: var(--space-2);
  animation: cv-slideIn 0.3s ease;
}

.cv-file-info[hidden] {
  display: none;
}

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

.cv-file-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.cv-file-info__icon.cv-icon--word { background: rgba(43, 87, 154, 0.1); color: #2B579A; }
.cv-file-info__icon.cv-icon--excel { background: rgba(33, 115, 70, 0.1); color: #217346; }
.cv-file-info__icon.cv-icon--ppt { background: rgba(210, 71, 38, 0.1); color: #D24726; }
.cv-file-info__icon.cv-icon--open { background: rgba(100, 68, 254, 0.1); color: var(--color-accent-purple-3); }

.cv-file-info__details {
  flex: 1;
  min-width: 0;
}

.cv-file-info__name {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cv-file-info__meta {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.cv-file-info__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.cv-file-info__change {
  padding: 8px 10px;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-primary);
  background: transparent;
  font-family: var(--font-family-body);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: background var(--transition-default);
}

.cv-file-info__change:hover {
  background: rgba(252, 100, 50, 0.08);
}

.cv-file-info__remove {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-default);
  flex-shrink: 0;
}

.cv-file-info__remove:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--color-text-primary);
}

/* --- Action Area (Convert Button) --- */

.cv-action-area {
  margin-top: var(--space-2);
  display: flex;
  justify-content: center;
}

.cv-action-area[hidden] {
  display: none;
}

/* --- Shared Button Styles --- */

.cv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-family-body);
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-button);
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  height: 48px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.cv-btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.cv-btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(252, 100, 50, 0.3);
}

.cv-btn--primary:active {
  background: var(--color-primary-active);
  transform: translateY(0);
}

.cv-btn--primary:disabled {
  background: #D9D9D9;
  color: #999;
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.cv-btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-text-primary);
  border-radius: var(--radius-md);
}

.cv-btn--secondary:hover {
  background: var(--color-bg-primary);
}

.cv-btn--secondary:active {
  background: var(--color-bg-neutral);
}

.cv-btn--quiet {
  height: 40px;
  padding: 8px 14px;
  color: var(--color-text-secondary);
  background: transparent;
  font-size: var(--font-size-caption);
}

.cv-btn--quiet:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-neutral);
}

.cv-btn:focus-visible,
.cv-file-info__change:focus-visible,
.cv-file-info__remove:focus-visible {
  outline: 3px solid rgba(252, 100, 50, 0.28);
  outline-offset: 3px;
}

.cv-btn.is-loading {
  pointer-events: none;
  opacity: 0.7;
}

.cv-btn.is-loading i {
  animation: fa-spin 1s linear infinite;
}

/* --- Progress Section --- */

.cv-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  animation: cv-slideIn 0.3s ease;
}

.cv-progress[hidden] {
  display: none;
}

.cv-progress__spinner {
  font-size: 36px;
  color: var(--color-primary);
}

.cv-progress__status {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.cv-progress__bar-container {
  width: 100%;
  max-width: 400px;
  height: 6px;
  background: var(--color-bg-neutral);
  border-radius: 3px;
  overflow: hidden;
}

.cv-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
  border-radius: 3px;
  transition: width 0.5s ease;
  position: relative;
}

.cv-progress__bar.is-indeterminate {
  width: 42%;
  animation: cv-progress-indeterminate 1.35s ease-in-out infinite;
}

@keyframes cv-progress-indeterminate {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(340%); }
}

.cv-progress__bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: cv-shimmer 1.5s infinite;
}

@keyframes cv-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.cv-progress__detail {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

/* --- Result Section --- */

.cv-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  animation: cv-slideIn 0.3s ease;
}

.cv-result[hidden] {
  display: none;
}

.cv-result__icon {
  font-size: 48px;
  color: var(--color-success);
  animation: cv-bounceIn 0.5s ease;
}

@keyframes cv-bounceIn {
  0% { opacity: 0; transform: scale(0.5); }
  60% { transform: scale(1.15); }
  100% { opacity: 1; transform: scale(1); }
}

.cv-result__info {
  text-align: center;
}

.cv-result__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.cv-result__filename {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.cv-result__actions {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-1);
}

/* --- Error Section --- */

.cv-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  animation: cv-slideIn 0.3s ease;
}

.cv-error[hidden] {
  display: none;
}

.cv-error__icon {
  font-size: 40px;
  color: var(--color-warning-primary);
}

.cv-error__message {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 400px;
  line-height: var(--line-height-body);
}

/* --- Info Grid Section --- */

.cv-info-section {
  margin-bottom: var(--space-5);
}

.cv-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.cv-info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-muted);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-raised);
  text-align: center;
  transition: all 0.25s ease;
}

.cv-info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-floating);
}

.cv-info-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin: 0 auto var(--space-2);
}

.cv-info-card__icon--security {
  background: rgba(85, 70, 255, 0.08);
  color: var(--color-accent-purple-1);
}

.cv-info-card__icon--speed {
  background: rgba(252, 100, 50, 0.08);
  color: var(--color-primary);
}

.cv-info-card__icon--format {
  background: rgba(33, 115, 70, 0.08);
  color: #217346;
}

.cv-info-card__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.cv-info-card__desc {
  font-size: var(--font-size-caption);
  line-height: 18px;
  color: var(--color-text-secondary);
}

.cv-inline-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.cv-inline-link:hover {
  color: var(--color-primary-hover);
}

/* --- Format Support Table --- */

.cv-formats-section {
  margin-bottom: var(--space-7);
}

.cv-formats-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-regular);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.cv-formats-table-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border-muted);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-raised);
}

.cv-formats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-body);
}

.cv-formats-table thead {
  background: var(--color-bg-lighter);
}

.cv-formats-table th {
  padding: 12px var(--space-2);
  text-align: left;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border-muted);
}

.cv-formats-table td {
  padding: 12px var(--space-2);
  border-bottom: 1px solid var(--color-border-muted);
  color: var(--color-text-primary);
  font-size: var(--font-size-body);
}

.cv-formats-table tbody tr:last-child td {
  border-bottom: none;
}

.cv-formats-table tbody tr:hover {
  background: var(--color-bg-lighter);
}

.cv-format-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
}

.cv-format-badge--word { background: rgba(43, 87, 154, 0.08); color: #2B579A; }
.cv-format-badge--excel { background: rgba(33, 115, 70, 0.08); color: #217346; }
.cv-format-badge--ppt { background: rgba(210, 71, 38, 0.08); color: #D24726; }
.cv-format-badge--open { background: rgba(100, 68, 254, 0.08); color: var(--color-accent-purple-3); }

/* ================================================================
   Responsive
   ================================================================ */

@media (min-width: 640px) {
  .cv-main {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

@media (max-width: 1023px) {
  .cv-title {
    font-size: var(--font-size-h4);
    line-height: var(--line-height-h4);
  }
}

@media (max-width: 639px) {
  .cv-main {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }

  .cv-hero {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .cv-title {
    font-size: 20px;
    line-height: 28px;
  }

  .cv-upload-zone {
    padding: var(--space-4) var(--space-2);
  }

  .cv-upload-icon {
    font-size: 36px;
  }

  .cv-upload-text {
    font-size: 14px;
  }

  .cv-info-grid {
    grid-template-columns: 1fr;
  }

  .cv-result__actions {
    flex-direction: column;
    width: 100%;
  }

  .cv-result__actions .cv-btn {
    width: 100%;
  }

  .cv-file-info {
    align-items: flex-start;
  }

  .cv-file-info__actions {
    gap: 2px;
  }

  .cv-file-info__change {
    padding: 8px 6px;
  }

  .cv-formats-table-wrap {
    overflow-x: auto;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .cv-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cv-page *,
  .cv-page *::before,
  .cv-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}