:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-alt: #fafbfc;
  --border: #e4e6eb;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --accent-soft-border: #c7d2fe;
  --accent-hover: #4338ca;
  --success: #10b981;
  --success-soft: #ecfdf5;
  --warn: #f59e0b;
  --warn-soft: #fffbeb;
  --danger: #ef4444;
  --danger-soft: #fef2f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- App layout ---------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  width: 180px;
  min-width: 180px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 8px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-tab {
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  border: none;
  border-left: 3px solid transparent;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}
.sidebar-tab:hover {
  background: var(--surface-alt);
}
.sidebar-tab.active {
  border-left-color: var(--accent);
  background: var(--accent-soft);
}
.sidebar-tab-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.sidebar-tab.active .sidebar-tab-title {
  color: var(--accent);
}
.sidebar-tab-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* ---------- Main area ---------- */
.app-main {
  flex: 1;
  min-width: 0;
}

/* ---------- Header ---------- */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

/* ---------- Edit-only buttons ---------- */
.edit-only {
  display: none;
}
body.edit-mode .edit-only {
  display: inline-block;
}

.subtitle {
  margin: 2px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

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

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover {
  background: #f0f1f4;
}
.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-secondary {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-soft-border);
}
.btn-secondary:hover {
  background: #e0e7ff;
}
.btn-ghost {
  background: transparent;
}

/* ---------- Menu ---------- */
.menu {
  position: relative;
}
.menu > summary {
  list-style: none;
  user-select: none;
  display: inline-block;
}
.menu > summary::-webkit-details-marker {
  display: none;
}
.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 220px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  z-index: 20;
}
.menu-panel hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}
.menu-item {
  background: transparent;
  border: 0;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  color: var(--text);
  display: block;
  width: 100%;
}
.menu-item:hover {
  background: #f0f1f4;
}
.menu-item.danger {
  color: var(--danger);
}
.menu-item.danger:hover {
  background: var(--danger-soft);
}
.file-input {
  cursor: pointer;
}

/* ---------- Summary ---------- */
.summary {
  max-width: 1100px;
  margin: 24px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.params {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.param {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.param label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.param input[type="number"] {
  width: 90px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 15px;
  background: var(--surface);
  color: var(--text);
}

.param input[type="number"]:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}

.param-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.level-group {
  display: flex;
  gap: 4px;
}

/* ---------- Task info panel (replaces result cards) ---------- */
.task-info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.task-info-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.task-info-field label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.task-info-field select,
.task-info-field input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
}
.task-info-field select:focus,
.task-info-field input:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}
.btn-calculate {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 0.15s, opacity 0.15s;
  margin-top: 4px;
}
.btn-calculate:hover:not(:disabled) {
  background: var(--accent-hover);
}
.btn-calculate:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ---------- Result modal ---------- */
.result-summary {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}
.result-summary-card {
  flex: 1;
  text-align: center;
  padding: 12px 10px;
  border-radius: 8px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
}
.result-summary-card.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.result-summary-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  opacity: 0.8;
}
.result-summary-value {
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-top: 2px;
}
.result-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}
.result-meta b { color: var(--text); }
.result-tasks-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.result-task-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 5px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.result-task-row:last-child { border-bottom: 0; }
.result-task-name { flex: 1; }
.result-task-main { color: var(--warn); font-weight: 700; font-size: 11px; margin-left: 6px; }
.result-task-level { color: var(--text-muted); min-width: 50px; text-align: center; }
.result-task-fin { font-weight: 600; min-width: 60px; text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Designers section ---------- */
.designers-section {
  max-width: 700px;
  margin: 24px auto;
  padding: 0 24px;
}
.designers-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.designers-header h2 {
  margin: 0;
  font-size: 20px;
}
.designers-total {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}
.designers-add {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.designers-add input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  background: var(--surface);
}
.designers-add input:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}
.designers-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.designer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}
.designer-item:last-child { border-bottom: 0; }
.designer-item-name {
  font-weight: 500;
  font-size: 15px;
}
.designer-item-del {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 0;
}
.designer-item-del:hover {
  background: var(--danger-soft);
}
.designers-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---------- Formula display ---------- */
.formula-display {
  max-width: 1100px;
  margin: 20px auto 0;
  padding: 0 24px;
  display: none;
}
body.edit-mode .formula-display {
  display: block;
}

.formula-display .formula-title {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 8px;
}

.formula-lines {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.formula-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.formula-line code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.formula-static code {
  background: #f3f4f6;
  color: var(--text);
}
.formula-note-inline {
  color: var(--text-muted);
  font-size: 12px;
}
.formula-live-label {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* ---------- Info button ---------- */
.multiplier-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--accent-soft-border);
  background: var(--accent-soft);
  color: var(--accent);
  cursor: pointer;
  font-size: 11px;
  font-style: italic;
  font-weight: 700;
  font-family: Georgia, serif;
  padding: 0;
  line-height: 1;
  margin-left: 6px;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.info-btn:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: scale(1.1);
}

/* ---------- Task name cell ---------- */
.task-name-cell {
  display: flex;
  align-items: center;
  min-width: 40px;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal[hidden] {
  display: none;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
  backdrop-filter: blur(2px);
}
.modal-dialog {
  position: relative;
  background: var(--surface);
  border-radius: 14px;
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  animation: modalIn 0.15s ease-out;
}
@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.modal-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.modal-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  flex: 1;
  word-break: break-word;
}
.modal-close-btn {
  background: transparent;
  border: 0;
  font-size: 24px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 6px;
  border-radius: 6px;
}
.modal-close-btn:hover {
  background: #f0f1f4;
  color: var(--text);
}
.modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-foot {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.modal-save-hint {
  color: var(--text-muted);
  font-size: 12px;
}

.modal-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.modal-field-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-field-level-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 0 6px;
}
.modal-textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  line-height: 1.4;
  background: var(--surface);
  color: var(--text);
  resize: vertical;
  min-height: 44px;
  font-family: inherit;
  field-sizing: content;
}
.modal-textarea:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}

.modal-section-title {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.modal-level-field {
  background: var(--surface-alt);
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.modal-level-field .modal-field-label {
  gap: 8px;
}

.modal-ex-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.modal-ex-input {
  width: 72px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  text-align: right;
  background: var(--surface);
  color: var(--text);
}
.modal-ex-input:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}

/* ---------- Drag & drop ---------- */
.drag-handle {
  display: none;
  align-items: center;
  justify-content: center;
  cursor: grab;
  color: var(--text-muted);
  font-size: 14px;
  user-select: none;
  opacity: 0.35;
  transition: opacity 0.15s, color 0.15s;
  letter-spacing: 1px;
}
body.edit-mode .drag-handle {
  display: flex;
}
.drag-handle:hover {
  opacity: 1;
  color: var(--accent);
}
.drag-handle:active {
  cursor: grabbing;
}
.task.dragging {
  opacity: 0.35;
  background: var(--accent-soft) !important;
}
.task.drag-over-above {
  box-shadow: inset 0 3px 0 0 var(--accent);
}
.task.drag-over-below {
  box-shadow: inset 0 -3px 0 0 var(--accent);
}

/* ---------- Task groups ---------- */
.task-group + .task-group {
  margin-top: 24px;
}
.task-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  min-height: 44px;
  transition: background 0.15s;
}
.task-group-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 4px;
  flex: 1;
  min-width: 30px;
}
.task-group-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--border);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.group-move-btns {
  display: none;
  gap: 2px;
}
body.edit-mode .group-move-btns {
  display: flex;
}
.group-move-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, border-color 0.12s;
}
.group-move-btn:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent-soft-border);
  color: var(--accent);
}
.group-move-btn:disabled {
  opacity: 0.25;
  cursor: default;
}

.group-add-task-btn {
  display: none;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px dashed var(--accent-soft-border);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
}
.group-add-task-btn:hover {
  background: var(--accent-soft);
}
body.edit-mode .group-add-task-btn {
  display: inline-block;
}
.group-delete-btn {
  display: none;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--danger);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  padding: 0;
}
.group-delete-btn:hover {
  background: var(--danger-soft);
}
body.edit-mode .group-delete-btn {
  display: inline-flex;
}
.task-group-header.drag-over-group {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 2px var(--accent);
}
.add-group-btn-wrap {
  display: none;
  max-width: 1100px;
  margin: 14px auto 0;
  padding: 0 24px;
  justify-content: flex-start;
}
body.edit-mode .add-group-btn-wrap {
  display: flex;
}

/* ---------- Tasks ---------- */
.tasks-wrap {
  max-width: 1100px;
  margin: 20px auto 0;
  padding: 0 24px;
}

.task-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.task-list-header {
  display: grid;
  grid-template-columns: 0px 32px 1fr 160px 80px 80px 80px 0px;
  gap: 12px;
  align-items: center;
  padding: 10px 18px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.task-list-header .col-main {
  text-align: center;
}

.task-list-header .col-ex,
.task-list-header .col-fin {
  text-align: right;
}

.task {
  display: grid;
  grid-template-columns: 0px 32px 1fr 160px 80px 80px 80px 0px;
  gap: 12px;
  align-items: center;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.task:last-child {
  border-bottom: 0;
}

/* Blocked tasks */
.task.blocked {
  opacity: 0.35;
  pointer-events: none;
  position: relative;
}
body.edit-mode .task.blocked {
  opacity: 0.6;
  pointer-events: auto;
}
.task.blocked .checkbox {
  pointer-events: auto;
}

.task.checked {
  background: var(--success-soft);
}

.task.is-main {
  background: var(--warn-soft);
}

.task.checked.is-main {
  background: linear-gradient(90deg, var(--success-soft), var(--warn-soft));
}

.checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

.task-name {
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 4px;
  min-width: 40px;
  word-break: break-word;
  flex: 1;
}

[contenteditable="true"]:focus {
  outline: 2px solid var(--accent);
  background: white;
}

.levels {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}

.level-btn {
  width: 34px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  padding: 0;
}
.level-btn:hover {
  background: #f0f1f4;
}
.level-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.max-level-wrap {
  display: none;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
  padding-left: 8px;
  border-left: 1px dashed var(--border);
}
body.edit-mode .max-level-wrap {
  display: inline-flex;
}
.max-level-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.max-level-select {
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.max-level-select:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}

.main-radio-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  justify-content: center;
}

.main-radio {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--warn);
}
.main-radio:disabled {
  cursor: default;
  opacity: 0.25;
}
.auto-main-badge {
  font-size: 9px;
  font-weight: 700;
  color: var(--warn);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
}
.main-disabled {
  color: var(--text-muted);
  font-size: 14px;
  opacity: 0.4;
}
.can-main-toggle {
  display: none;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  user-select: none;
  margin-top: 2px;
}
.can-main-toggle input {
  width: 12px;
  height: 12px;
  cursor: pointer;
  margin: 0;
  accent-color: var(--warn);
}
.can-main-toggle span {
  line-height: 1;
}
body.edit-mode .can-main-toggle {
  display: inline-flex;
}
.auto-main-toggle span {
  color: var(--warn);
}

.task-ex,
.task-fin {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--text-muted);
  padding-right: 4px;
}

.task.checked .task-fin {
  color: var(--success);
  font-weight: 600;
}

/* Edit mode inputs */
.edit-input {
  display: none;
  width: 66px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
  text-align: right;
  background: var(--surface);
  color: var(--text);
}
.edit-input:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}

.delete-btn {
  display: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--danger);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  padding: 0;
}
.delete-btn:hover {
  background: var(--danger-soft);
  border-color: #fecaca;
}

/* Edit mode */
body.edit-mode .task-list-header,
body.edit-mode .task {
  grid-template-columns: 24px 32px 1fr 240px 80px 80px 80px 28px;
}
body.edit-mode .task-list-header {
  padding-left: 60px;
}
body.edit-mode .delete-btn {
  display: inline-flex;
}
body.edit-mode .task-ex,
body.edit-mode .task-fin {
  display: none;
}
body.edit-mode .edit-input {
  display: inline-block;
}

.add-task {
  max-width: 1100px;
  margin: 16px auto 0;
  padding: 0 24px;
  display: none;
  justify-content: center;
}
body.edit-mode .add-task {
  display: flex;
}

/* ---------- Formula info ---------- */
.formula-info {
  max-width: 1100px;
  margin: 24px auto 0;
  padding: 0 24px;
}
body.edit-mode .formula-info.edit-only,
body.edit-mode .modal-section-title.edit-only,
body.edit-mode .block-select-btn.edit-only,
body.edit-mode .multiplier-section.edit-only {
  display: block;
}

.formula-info > summary {
  cursor: pointer;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-muted);
  user-select: none;
}

.formula-body {
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  margin-top: -2px;
  font-size: 14px;
  color: var(--text);
}

.formula-body p {
  margin: 8px 0;
}
.formula-body ul {
  margin: 6px 0 10px;
  padding-left: 20px;
}
.formula-body li {
  margin: 4px 0;
}
.formula-note {
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 12px !important;
}

/* ---------- Block select button ---------- */
.block-select-btn {
  width: 100%;
  padding: 12px 16px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}
.block-select-btn:hover {
  border-color: var(--accent-soft-border);
  background: var(--accent-soft);
}
.block-select-btn .block-names {
  color: var(--danger);
  text-decoration: line-through;
}

/* ---------- Block list (in modal) ---------- */
.block-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface-alt);
}
.block-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  padding: 3px 4px;
  border-radius: 4px;
  user-select: none;
}
.block-list-item:hover {
  background: var(--accent-soft);
}
.block-list-item input {
  width: 14px;
  height: 14px;
  cursor: pointer;
  accent-color: var(--danger);
  margin: 0;
}
.block-list-item input:checked + span {
  color: var(--danger);
  text-decoration: line-through;
}

/* ---------- Multiplier toggle ---------- */
.multiplier-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--accent-soft-border);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  cursor: pointer;
  font-weight: 500;
  user-select: none;
}
.multiplier-toggle input {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
}
.multiplier-toggle:has(input:checked) {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.multiplier-formula {
  background: var(--surface-alt);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
  border: 1px solid var(--border);
}
.multiplier-formula .formula-live-preview {
  display: inline-block;
  margin-top: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--accent);
  font-weight: 600;
}
.multiplier-formula .formula-live-preview.muted {
  color: var(--text-muted);
  font-weight: 500;
}

/* ---------- PIN input ---------- */
.pin-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 22px;
  letter-spacing: 12px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 600;
}
.pin-input:focus {
  outline: 2px solid var(--accent-soft-border);
  border-color: var(--accent);
}
.pin-error {
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
  display: none;
  padding: 2px 4px;
}
.pin-error.show {
  display: block;
}

/* ---------- Preset cards ---------- */
.preset-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.preset-card + .preset-card {
  margin-top: 12px;
}
.preset-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.preset-card-title {
  font-weight: 600;
  font-size: 15px;
}
.preset-card-date {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.preset-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}
.preset-card-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.preset-chip {
  display: inline-block;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.preset-chip-main {
  background: var(--warn-soft);
  color: #b45309;
  font-weight: 600;
}
.preset-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

/* ---------- Footer ---------- */
.app-footer {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 24px 40px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}
.app-footer .app-version {
  margin-top: 4px;
  font-size: 12px;
  opacity: 0.7;
  font-variant-numeric: tabular-nums;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: white;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Mobile ---------- */
@media (max-width: 880px) {
  .summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-header {
    padding: 14px 16px;
  }
  .summary,
  .tasks-wrap,
  .add-task,
  .formula-info {
    padding-left: 12px;
    padding-right: 12px;
  }
  .results {
    grid-template-columns: 1fr;
  }
  .task-list-header {
    display: none;
  }
  .task {
    grid-template-columns: 24px 1fr auto;
    grid-template-rows: auto auto;
    gap: 8px 10px;
    padding: 12px 14px;
  }
  .task-name {
    grid-column: 2 / span 2;
  }
  .levels {
    grid-column: 1 / span 3;
    justify-content: flex-start;
  }
  .main-radio-wrap,
  .task-ex,
  .task-fin,
  .edit-input,
  .delete-btn {
    grid-column: auto;
  }
  .task-ex,
  .task-fin {
    font-size: 13px;
  }
}