/* ============================================================
   Notes Dashboard & Modal
   ============================================================ */

/* ── Dashboard shell ── */
.notes-dashboard {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 40px 48px;
  animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}

.notes-dashboard__header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.notes-dashboard__back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px 6px 6px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 4px;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.notes-dashboard__back:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.notes-dashboard__heading {
  flex: 1;
  min-width: 0;
}

.notes-dashboard__breadcrumb {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.notes-dashboard__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.notes-dashboard__add {
  flex-shrink: 0;
  margin-top: 4px;
}

.notes-dashboard__count {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}

/* ── Toolbar: search, sort, filters ── */
.notes-toolbar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 8px;
}

.notes-toolbar__search {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 14px;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.notes-toolbar__search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.notes-toolbar__search-icon {
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.notes-toolbar__search-input {
  flex: 1;
  min-width: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.notes-toolbar__search-input::placeholder {
  color: var(--color-text-tertiary);
}

.notes-toolbar__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.notes-toolbar__select {
  height: 36px;
  padding: 0 28px 0 12px;
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239b9a97' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.notes-toolbar__select:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.notes-toolbar__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* ── Notes list grid ── */
.notes-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

/* ── Note card ── */
.note-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  position: relative;
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out);
}

.note-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.note-card:active {
  transform: translateY(-1px) scale(0.99);
}

.note-card--pinned {
  border-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
}

.note-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.note-card__titles {
  flex: 1;
  min-width: 0;
}

.note-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-card__chapter {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-card__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.note-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
}

.note-card__badge--pinned {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.note-card__pin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.note-card__pin-btn:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-accent);
}

.note-card__pin-btn.is-pinned {
  color: var(--color-accent);
}

.note-card__pin-btn:active {
  transform: scale(0.9);
}

.note-card__fav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.note-card__fav-btn:hover {
  background-color: var(--color-bg-hover);
  color: #c4a035;
}

.note-card__fav-btn.is-active {
  color: #c4a035;
}

.note-card__fav-btn:active {
  transform: scale(0.9);
}

.note-card__preview {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.note-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.note-card__tag {
  padding: 2px 8px;
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-full);
}

.note-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.note-card__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--color-text-tertiary);
}

.note-card__meta-item svg {
  opacity: 0.7;
}

.note-card__difficulty {
  margin-left: auto;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
}

.note-card__difficulty--easy {
  color: #4a7c59;
  background-color: color-mix(in srgb, #4a7c59 12%, transparent);
}

.note-card__difficulty--medium {
  color: #7c6b4a;
  background-color: color-mix(in srgb, #7c6b4a 12%, transparent);
}

.note-card__difficulty--hard {
  color: #7c4a4a;
  background-color: color-mix(in srgb, #7c4a4a 12%, transparent);
}

[data-theme="dark"] .note-card__difficulty--easy {
  color: #7aab88;
}

[data-theme="dark"] .note-card__difficulty--medium {
  color: #ab9a7a;
}

[data-theme="dark"] .note-card__difficulty--hard {
  color: #ab7a7a;
}

/* ── Empty state ── */
.notes-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 56px 24px;
  background-color: var(--color-bg-elevated);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
}

.notes-empty__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-tertiary);
}

.notes-empty__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.notes-empty__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 280px;
}

/* ── Shared buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 16px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--gradient-gold);
  color: var(--color-royal-deep);
  font-weight: var(--font-weight-semibold);
  border: 1px solid rgba(201, 169, 98, 0.35);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 20px rgba(201, 169, 98, 0.28);
  color: var(--color-royal-deep);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

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

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.modal-overlay.is-visible {
  opacity: 1;
}

.modal-overlay.is-visible .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal {
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.modal__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.modal__close:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.modal__form {
  padding: 20px 24px 24px;
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 8px;
}

/* ── Form fields ── */
.form-field {
  margin-bottom: 16px;
}

.form-field--half {
  flex: 1;
  min-width: 0;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-field__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.form-field__input,
.form-field__textarea,
.form-field__select {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.form-field__input:focus,
.form-field__textarea:focus,
.form-field__select:focus {
  outline: none;
  background-color: var(--color-bg-elevated);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-field__input--error {
  border-color: #7c4a4a;
  box-shadow: 0 0 0 3px color-mix(in srgb, #7c4a4a 15%, transparent);
}

.form-field__textarea {
  resize: vertical;
  min-height: 160px;
  line-height: var(--line-height-relaxed);
}

.form-field__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239b9a97' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-field__hint {
  display: block;
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .notes-dashboard {
    padding: 20px 16px 40px;
  }

  .notes-dashboard__header {
    flex-direction: column;
    align-items: stretch;
  }

  .notes-dashboard__add {
    width: 100%;
    margin-top: 0;
  }

  .notes-toolbar__controls {
    flex-direction: column;
  }

  .notes-toolbar__select {
    width: 100%;
  }

  .notes-list {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .modal {
    max-height: calc(100vh - 32px);
  }
}

@media (max-width: 480px) {
  .note-card__meta {
    gap: 8px;
  }

  .note-card__difficulty {
    margin-left: 0;
  }
}