/* ==========================================================================
   FAMILY VAULT — Styling, matching the gallery wall aesthetic
   ========================================================================== */
.vault-header {
  padding-bottom: 1rem;
}

.vault-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 2rem 5rem;
}

/* ==========================================================================
   BODY LAYOUT — folder tree sidebar + content
   ========================================================================== */
.vault-body {
  display: flex;
  align-items: flex-start;
  gap: 2.25rem;
}

.vault-tree {
  flex: 0 0 210px;
  min-width: 0;
}

.vault-content {
  flex: 1;
  min-width: 0;
}

.vault-tree-title {
  font-family: "Georgia", serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.tree-nav {
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.tree-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tree-list .tree-list {
  padding-left: 16px;
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 2px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.tree-item:hover {
  background: var(--wall);
  color: var(--text);
}

.tree-item.active {
  color: var(--accent);
  font-weight: 600;
}

.tree-toggle {
  flex: 0 0 auto;
  width: 10px;
  font-size: 0.6rem;
  color: var(--text-muted);
  display: inline-block;
  transition: transform 0.15s ease;
}

.tree-toggle:not(.empty) {
  cursor: pointer;
}

.tree-toggle.open {
  transform: rotate(90deg);
}

.tree-folder-icon {
  flex: 0 0 auto;
  color: var(--text-muted);
  display: flex;
}

.tree-folder-icon svg {
  width: 14px;
  height: 14px;
}

.tree-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-empty {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 2px 8px;
}

@media (max-width: 680px) {
  .vault-body {
    flex-direction: column;
    gap: 1.25rem;
  }

  .vault-tree {
    flex: 0 0 auto;
    width: 100%;
  }

  .vault-empty,
  .vault-limit-hint {
    margin-left: 0;
  }
}

/* ==========================================================================
   TOOLBAR
   ========================================================================== */
.vault-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--mat-shadow);
}

.vault-expiry-notice {
  margin: 0 0 4px;
  padding: 9px 14px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--label-bg);
  border: 1px solid var(--mat-shadow);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}

.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.crumb {
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 2px;
  transition: color 0.3s;
}

.crumb:hover {
  color: var(--accent);
}

.crumb-separator {
  color: var(--text-muted);
  pointer-events: none;
}

.crumb-current {
  color: var(--text);
  font-weight: 600;
  cursor: default;
}

.vault-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vault-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--mat);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, background-color 0.3s;
}

.vault-btn:hover {
  color: var(--mat);
  background: var(--frame-dark);
  border-color: var(--frame-dark);
}

.vault-btn-primary {
  color: var(--mat);
  background: var(--frame-dark);
  border-color: var(--frame-dark);
}

.vault-btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.vault-btn-ghost {
  background: transparent;
}

/* ==========================================================================
   LIST / DROP ZONE
   ========================================================================== */
.vault-dropzone {
  position: relative;
  min-height: 260px;
  border: 2px dashed transparent;
  border-radius: 3px;
  transition: border-color 0.2s, background-color 0.2s;
}

.vault-dropzone.drag-over {
  border-color: var(--accent);
  background-color: rgba(139, 115, 85, 0.06);
}

.vault-list {
  display: flex;
  flex-direction: column;
}

.vnode-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 120px 150px auto;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  margin-top: 8px;
  background: var(--mat);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(44, 36, 32, 0.06);
  transition: box-shadow var(--transition), border-color 0.3s;
}

.vnode-row:hover {
  box-shadow: var(--shadow-frame);
  border-color: var(--text-muted);
}

.vnode-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.vnode-row.is-file .vnode-icon {
  color: var(--text-muted);
}

.vnode-name {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.vnode-row.is-folder {
  cursor: pointer;
}

.vnode-row.is-folder .vnode-name {
  cursor: pointer;
}

.vnode-row.is-folder .vnode-name:hover {
  color: var(--accent);
}

.vnode-meta {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.vnode-date {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.vnode-actions {
  display: flex;
  justify-content: flex-end;
}

.vnode-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.vnode-download:hover {
  color: var(--mat);
  background: var(--frame-dark);
  border-color: var(--frame-dark);
}

.vnode-delete {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: color 0.3s, background 0.3s, border-color 0.3s;
}

.vnode-delete:hover {
  color: #f5f0e6;
  background: #8b4513;
  border-color: #8b4513;
}

/* import from staging */
.vault-modal-note {
  margin: 0 0 14px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.vault-modal-note code {
  display: block;
  margin-top: 6px;
  padding: 8px 10px;
  font-size: 0.68rem;
  color: var(--text);
  background: var(--label-bg);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
  overflow-wrap: anywhere;
  user-select: all;
}

.import-list {
  display: flex;
  flex-direction: column;
  max-height: 42vh;
  overflow-y: auto;
}

.import-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--mat-shadow);
}

.import-row:last-child {
  border-bottom: none;
}

.import-row-name {
  flex: 1;
  min-width: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.import-row-meta {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.import-row-btn {
  padding: 6px 14px;
  white-space: nowrap;
}

.import-empty {
  padding: 18px 4px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

.vnode-move {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: color 0.3s, background 0.3s, border-color 0.3s;
}

.vnode-move:hover {
  color: var(--mat);
  background: var(--frame-dark);
  border-color: var(--frame-dark);
}

.vault-select {
  width: 100%;
  padding: 10px 12px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--text);
  background: var(--mat);
  border: 1px solid var(--mat-shadow);
  border-radius: 2px;
}

.vault-select:focus {
  outline: none;
  border-color: var(--accent);
}

.vault-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

/* empty state */
.vault-empty {
  text-align: center;
  padding: 4rem 1.5rem;
  color: var(--text-secondary);
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin-left: calc(-1 * (210px + 2.25rem));
}

.vault-empty p {
  font-size: 0.9rem;
}

.vault-empty-hint {
  margin-top: 8px;
  font-size: 0.75rem !important;
  color: var(--text-muted);
}

/* drop-hint overlay while dragging */
.vault-dropzone.drag-over::after {
  content: "Drop files to upload";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(247, 245, 240, 0.82);
  border: 2px dashed var(--accent);
  border-radius: 3px;
  pointer-events: none;
  z-index: 5;
}

.vault-limit-hint {
  margin-top: 14px;
  margin-left: calc(-1 * (210px + 2.25rem));
  text-align: center;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ==========================================================================
   UPLOAD PROGRESS BAR
   ========================================================================== */
.vault-uploadbar {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: min(420px, calc(100vw - 2rem));
  padding: 14px 16px;
  background: var(--frame-dark);
  color: var(--mat);
  border-radius: 3px;
  box-shadow: var(--shadow-frame-hover);
  z-index: 120;
}

.vault-uploadbar-label {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.vault-uploadbar-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 2px;
  overflow: hidden;
}

.vault-uploadbar-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.2s ease;
}

/* ==========================================================================
   HIDDEN UTILITY
   ========================================================================== */
[hidden] { display: none !important; }

/* ==========================================================================
   NEW FOLDER MODAL
   ========================================================================== */
.vault-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(44, 36, 32, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn 0.25s ease;
}

.vault-modal {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 1rem;
  padding: 2rem;
  background: var(--mat);
  border: var(--frame-border) solid var(--frame-dark);
  border-image: linear-gradient(180deg, #3d3229 0%, #5c4a3a 20%, #4a3c30 40%, #6b5844 60%, #4a3c30 80%, #3d3229 100%) 10;
  box-shadow: var(--shadow-frame-hover);
  animation: slideUp 0.3s ease;
}

.vault-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

.vault-modal-close:hover {
  color: var(--text);
}

.vault-modal-title {
  font-family: "Georgia", serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
}

.vault-modal-label {
  display: block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.vault-modal input[type="text"] {
  width: 100%;
  padding: 9px 12px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  border: 1px solid var(--mat-shadow);
  background: var(--wall);
  color: var(--text);
  border-radius: 2px;
  margin-bottom: 1rem;
  outline: none;
  transition: border-color 0.3s;
}

.vault-modal input:focus {
  border-color: var(--accent);
}

.vault-modal-error {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  color: #8b4513;
  text-align: center;
  margin-bottom: 0.75rem;
  min-height: 1.1em;
}

.vault-modal-submit {
  width: 100%;
  justify-content: center;
}

/* ==========================================================================
   TOAST
   ========================================================================== */
.vault-toast {
  position: fixed;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%);
  width: min(420px, calc(100vw - 2rem));
  padding: 12px 16px;
  background: var(--frame-dark);
  color: var(--mat);
  border-radius: 3px;
  box-shadow: var(--shadow-frame-hover);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  text-align: center;
  z-index: 130;
}

.vault-toast.error {
  background: #8b4513;
}

/* ==========================================================================
   LOCKED PAGE
   ========================================================================== */
.vault-locked {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 2rem;
}

.vault-locked-card {
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  text-align: center;
  background: var(--mat);
  border: var(--frame-border) solid var(--frame-dark);
  border-image: linear-gradient(180deg, #3d3229 0%, #5c4a3a 20%, #4a3c30 40%, #6b5844 60%, #4a3c30 80%, #3d3229 100%) 10;
  box-shadow: var(--shadow-frame);
}

.vault-locked-icon {
  color: var(--accent);
  margin-bottom: 1rem;
}

.vault-locked-card h2 {
  font-family: "Georgia", serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.vault-locked-card p {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.vault-locked-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vault-locked-actions .vault-btn {
  justify-content: center;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 640px) {
  .vault-shell {
    padding: 0 1rem 4rem;
  }

  .vnode-row {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    gap: 10px;
  }

  .vnode-date,
  .vnode-meta {
    grid-column: 2 / -1;
    text-align: left;
    grid-row: auto;
  }

  .vnode-date {
    margin-top: -8px;
  }

  .vnode-actions {
    grid-column: 3;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
  }

  .vault-btn span {
    display: none;
  }
}