*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --border: #d0d0d0;
  --text: #1a1a1a;
  --text-muted: #666;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

body {
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

header {
  background: var(--accent);
  color: white;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

header h1 {
  font-size: 18px;
  font-weight: 600;
}

#status-bar {
  margin-left: auto;
  font-size: 15px;
  opacity: 0.85;
}

#btn-close-app {
  background: transparent;
  border: none;
  color: white;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: var(--radius);
  opacity: 0.75;
  line-height: 1;
}
#btn-close-app:hover {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}
#btn-close-app:active {
  background: rgba(255, 255, 255, 0.35);
}

main {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.screen {
  display: none;
}
.screen.active {
  display: block;
}

/* ── Per-screen layouts ───────────────────────────────────────────────────── */

/* Password: vertically centered dialog */
#screen-password.active {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
}
.dialog {
  width: 100%;
  max-width: 420px;
}

/* Config: table fills available height; buttons always visible */
#screen-config.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
#screen-config .card-flush {
  flex: 1;
  min-height: 100px;
  overflow-y: auto;
  margin-bottom: 0;
}

/* Preview: command list scrolls; Run button always visible */
#screen-preview.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
#preview-commands {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
#preview-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Backup: always-visible log fills remaining height */
#screen-backup.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.log-section {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.log-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
  flex-shrink: 0;
}
#backup-log {
  flex: 1;
  min-height: 0;
  max-height: none;
}

/* Format progress: log fills remaining height */
#screen-format-progress.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
#format-log {
  flex: 1;
  min-height: 0;
  max-height: none;
}

/* Format setup: probe info and form side by side */
.format-columns {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.format-col-probe {
  flex: 1;
  min-width: 0;
}
.format-col-form {
  width: 310px;
  flex-shrink: 0;
}
.format-col-form .form-grid {
  grid-template-columns: 120px 1fr;
}
@media (max-width: 580px) {
  .format-columns {
    flex-direction: column;
  }
  .format-col-form {
    width: 100%;
  }
  .format-col-form .form-grid {
    grid-template-columns: 160px 1fr;
  }
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.screen-header h2 {
  margin-bottom: 0;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 12px;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

/* Buttons */
button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.1s,
    border-color 0.1s;
}
button:hover {
  background: #f0f0f0;
}
button:active {
  background: #e4e4e4;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
button.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
button.primary:active {
  background: #1e40af;
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}
button.danger:hover {
  background: #b91c1c;
}

button.danger-outline {
  border-color: var(--danger);
  color: var(--danger);
}
button.danger-outline:hover {
  background: var(--danger-bg);
}

.btn-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* Drive select screen */
#screen-drive-select.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
#btn-open-drive {
  margin-left: auto;
}

/* Drive list */
.drive-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  overflow-y: auto;
  min-height: 80px;
}

.drive-item {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  transition:
    border-color 0.1s,
    background 0.1s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.drive-item:hover {
  border-color: var(--accent);
  background: #eff6ff;
}
.drive-item.selected {
  border-color: var(--accent);
  background: #dbeafe;
}

.drive-item .drive-name {
  font-weight: 600;
  font-size: 16px;
}
.drive-item .drive-detail {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 2px;
  font-family: monospace;
}
.drive-item .drive-size {
  font-size: 15px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.badges {
  display: flex;
  gap: 4px;
  margin-top: 4px;
  flex-wrap: wrap;
}
.badge {
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
  color: white;
}
.badge-usb {
  background: #2563eb;
}
.badge-luks {
  background: #d97706;
}
.badge-mounted {
  background: #16a34a;
}
.badge-fs {
  background: #6b7280;
}

.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px 14px;
  align-items: center;
  margin-bottom: 14px;
}
.form-grid label {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 15px;
}

input[type='checkbox'] {
  width: auto;
  cursor: pointer;
}

input[type='text'],
input[type='password'],
textarea,
select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
}
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}
textarea {
  resize: vertical;
  font-family: monospace;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.radio-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.radio-option input {
  margin-top: 2px;
  flex-shrink: 0;
}
.radio-option .radio-desc,
.checkbox-with-desc .radio-desc {
  font-size: 14px;
  color: var(--text-muted);
}
.checkbox-with-desc {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.checkbox-with-desc input {
  margin-top: 3px;
  flex-shrink: 0;
}

/* Jobs table */
.jobs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 14px;
}
.jobs-table th {
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}
.jobs-table td {
  padding: 8px 10px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 15px;
}
.jobs-table tr:last-child td {
  border-bottom: none;
}
.jobs-table td.mono {
  font-family: monospace;
  font-size: 14px;
  color: var(--text-muted);
}
.jobs-table td.actions {
  text-align: right;
  white-space: nowrap;
}
.jobs-table td.actions button {
  padding: 4px 10px;
  font-size: 14px;
}

/* Progress bar */
.progress-wrap {
  background: #e5e7eb;
  border-radius: 6px;
  overflow: hidden;
  height: 28px;
  position: relative;
  margin: 12px 0;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(to bottom, #4ade80, #16a34a);
  transition: width 0.3s ease;
  min-width: 0;
}
.progress-bar.error {
  background: var(--danger);
}
.progress-bar.done {
  background: linear-gradient(to bottom, #4ade80, #16a34a);
}
.progress-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-shadow:
    0 0 4px rgba(255, 255, 255, 0.95),
    0 0 8px rgba(255, 255, 255, 0.7);
}

.log-box {
  background: #1a1a2e;
  color: #c8d6e5;
  border-radius: var(--radius);
  padding: 10px 12px;
  font-family: monospace;
  font-size: 14px;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.5;
}
.log-box .log-cmd {
  color: #74b9ff;
}

/* Format step dots */
.step-dots {
  display: flex;
  gap: 8px;
  margin: 10px 0 12px;
  align-items: center;
}
.step-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #d1d5db;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
}
.step-dot.done {
  background: var(--success);
}
.step-dot.error {
  background: var(--danger);
}
.step-dot.active {
  background: var(--accent);
}

/* Banners */
.banner {
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 15px;
}
.banner.danger {
  background: var(--danger-bg);
  border: 1px solid #fecaca;
  color: #991b1b;
}
.banner.danger strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}
.banner.warning {
  background: var(--warning-bg);
  border: 1px solid #fde68a;
  color: #92400e;
}
.banner.success {
  background: var(--success-bg);
  border: 1px solid #bbf7d0;
  color: #166534;
}
.banner.info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

/* Preview command */
.preview-cmd-block {
  background: #1a1a2e;
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 10px;
}
.preview-cmd-block .cmd-name {
  font-size: 15px;
  font-weight: 600;
  color: #74b9ff;
  margin-bottom: 4px;
}
.preview-cmd-block pre {
  font-size: 14px;
  color: #c8ffc8;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Terminal/dark card variant */
.card.terminal {
  background: #111827;
  border-color: #374151;
}
.card.terminal em {
  color: #9ca3af;
}

#format-probe-content {
  color: #c8d6e5;
  font-family: monospace;
  font-size: 13px;
  white-space: pre-wrap;
}

/* Flush card (no padding, table fills edge-to-edge) */
.card-flush {
  padding: 0;
  overflow: hidden;
}

/* Backup screen */
#backup-job-info {
  margin-bottom: 8px;
}
#backup-elapsed {
  margin-bottom: 12px;
}
.job-info-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  overflow: hidden;
}
.job-info-name {
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap;
}
.job-info-file {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.job-info-eta {
  margin-top: 2px;
}

/* Config screen */
#unsaved-indicator {
  color: var(--warning);
  font-size: 13px;
}
#btn-next {
  margin-left: auto;
}

/* Job edit screen */
#btn-job-delete {
  margin-left: auto;
}
.excludes-section {
  margin-bottom: 14px;
}
.excludes-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.excludes-label {
  font-weight: 500;
  font-size: 13px;
  color: var(--text-muted);
}
.excludes-hint {
  font-size: 12px;
  color: var(--text-muted);
}
.excludes-tree {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 340px;
  overflow-y: auto;
  background: var(--surface);
  margin-bottom: 6px;
}
.tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-bottom: 1px solid #f0f0f0;
  min-height: 26px;
}
.tree-row:last-child {
  border-bottom: none;
}
.tree-row:hover {
  background: #f5f7ff;
}
.tree-check {
  flex-shrink: 0;
  cursor: pointer;
}
.tree-toggle {
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
  line-height: 1;
}
.tree-toggle:hover {
  color: var(--accent);
  background: transparent;
}
.tree-toggle-ph {
  display: inline-block;
  width: 18px;
  flex-shrink: 0;
}
.tree-icon {
  font-size: 13px;
  flex-shrink: 0;
  line-height: 1;
}
.tree-name {
  flex: 1;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree-size {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
  flex-shrink: 0;
  min-width: 3.5em;
  text-align: right;
}
.tree-node.is-excluded > .tree-row .tree-name {
  text-decoration: line-through;
  color: var(--text-muted);
}
.tree-node.is-excluded > .tree-row .tree-icon,
.tree-node.is-excluded > .tree-row .tree-size {
  opacity: 0.5;
}
.tree-msg {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.tree-msg.tree-error {
  color: var(--danger);
}
.presets-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin: 6px 0 8px;
  flex-wrap: wrap;
}
.presets-row-label {
  font-size: 12px;
  color: var(--text-muted);
  padding-top: 3px;
  flex-shrink: 0;
}
.presets-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.preset-chip {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.5;
}
.preset-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface);
}
.preset-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.preset-chip.active:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: white;
}
.excludes-patterns-label {
  display: block;
  margin-top: 4px;
  margin-bottom: 4px;
}

/* Format screen */
#format-confirm-label {
  color: var(--danger);
}
#format-cmd-preview {
  margin-top: 8px;
}
#format-step-label {
  margin-bottom: 8px;
  font-size: 14px;
}

details {
  margin-bottom: 14px;
}

/* Misc */
.muted {
  color: var(--text-muted);
  font-size: 14px;
}
p.muted {
  margin-bottom: 12px;
}
.card > p {
  margin-bottom: 12px;
}
.error-text {
  color: var(--danger);
  font-size: 15px;
  margin-top: 6px;
}
.success-text {
  color: var(--success);
  font-size: 15px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

details summary {
  cursor: pointer;
  font-size: 15px;
  color: var(--text-muted);
  user-select: none;
}
details[open] summary {
  margin-bottom: 8px;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.meta-row .muted {
  font-size: 14px;
}

/* Direction arrows */
.dir-arrow {
  color: var(--accent);
  font-weight: 600;
  margin: 0 6px;
  font-family: inherit;
}
.direction-cell {
  white-space: normal;
  word-break: break-all;
}

/* Restore: subpath input indented under each job checkbox */
.restore-job-entry {
  margin-bottom: 6px;
}
.restore-subpath-row {
  padding-left: 24px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.restore-subpath-row .subpath-label {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.restore-subpath-row input {
  font-size: 13px;
  padding: 4px 8px;
  flex: 1;
}