/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: var(--spacing-sm);
  padding: 6px 14px; border-radius: var(--radius-md);
  font-size: var(--fs-sm); font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap; user-select: none;
}
.btn-primary { background: var(--accent); color: var(--text-on-accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-style: dashed; border-color: var(--accent); }
.btn-danger { background: var(--danger); color: var(--text-on-accent); }
.btn-danger:hover { background: #e04040; }
.btn-ghost { color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); text-decoration: underline; }
.btn-sm { padding: 3px 8px; font-size: var(--fs-xs); }
.btn-icon { padding: 6px; border-radius: var(--radius-sm); }
.btn-icon:hover { background: var(--bg-surface-hover); }

/* ── Inputs ─────────────────────────────────── */
.input, .select {
  display: block; width: 100%;
  padding: 5px 10px; border-radius: var(--radius-md);
  background: var(--bg-input); border: 1px solid lightgray;
  color: var(--text-primary); font-size: var(--fs-sm);
  transition: border var(--transition-fast);
}
.input:focus, .select:focus { border: 1px dashed var(--accent); outline: none; }
.input:hover { border: 1px dashed var(--accent); }
.input-sm { padding: 3px 6px; font-size: var(--fs-xs); }
.input-inline { display: inline-block; width: auto; }
.input-with-unit { display: flex; gap: 0; }
.input-with-unit .input { border-radius: var(--radius-md) 0 0 var(--radius-md); flex: 1; min-width: 0; }
.input-with-unit .select { border-radius: 0 var(--radius-md) var(--radius-md) 0; width: 52px; flex-shrink: 0; border-left: none; }

.label { display: block; font-size: var(--fs-xs); color: var(--text-secondary); margin-bottom: 2px; font-weight: 500; }
.field { margin-bottom: var(--spacing-md); }
.field-row { display: flex; gap: var(--spacing-sm); align-items: center; }
.field-row .label { margin-bottom: 0; min-width: 70px; }

.checkbox { display: flex; align-items: center; gap: var(--spacing-sm); cursor: pointer; font-size: var(--fs-sm); }
.checkbox input[type="checkbox"] { accent-color: var(--accent); width: 14px; height: 14px; }

/* ── Color swatch input ─────────────────────── */
.color-input { display: flex; align-items: center; gap: var(--spacing-sm); }
.color-swatch {
  width: 28px; height: 28px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); cursor: pointer;
  transition: border var(--transition-fast);
}
.color-swatch:hover { border: 1px dashed var(--accent); }
.color-input .input { flex: 1; }

/* ── Spinner ────────────────────────────────── */
.spinner { display: flex; align-items: center; }
.spinner .input { text-align: center; width: 56px; border-radius: 0; }
.spinner .btn-spin { padding: 4px 8px; background: var(--bg-surface); border: 1px solid var(--border); font-size: var(--fs-xs); }
.spinner .btn-spin:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.spinner .btn-spin:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

/* ── Tabs ───────────────────────────────────── */
.tabs { display: flex; border-bottom: 1px solid var(--border); }
.tab {
  padding: 8px 16px; font-size: var(--fs-sm); color: var(--text-secondary);
  border: 1px solid transparent; border-bottom: none;
  transition: all var(--transition-fast);
  cursor: pointer; margin-bottom: -1px;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--text-on-accent); background: var(--accent); border-color: var(--accent); border-radius: var(--radius-md) var(--radius-md) 0 0; }

/* ── Panel / Accordion ──────────────────────── */
.panel { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
  user-select: none;
}
.panel-header:hover { background: var(--bg-surface-hover); }
.panel-body { padding: var(--spacing-md); border-top: 1px solid var(--border); }
.panel-body.collapsed { display: none; }

.accordion-arrow { transition: transform var(--transition-normal); font-size: 10px; color: var(--text-muted); }
.panel-header.open .accordion-arrow { transform: rotate(90deg); }

/* ── Context Menu ───────────────────────────── */
.context-menu {
  position: fixed; z-index: 10000;
  background: #ffffff; border: 1px solid darkgray;
  border-radius: 10px; box-shadow: 0 0 5px #888888;
  width: 200px; padding: 5px; margin: 0;
  font-family: Verdana, sans-serif; font-size: 15px;
  color: #000000; opacity: 0.95;
  display: none; cursor: default;
  list-style: none;
}
.context-menu.visible { display: block; }
.context-menu-header {
  background: #89c489; color: white; font-size: 18px;
  padding: 10px 5px 5px 10px; min-height: 40px;
  border-radius: 10px 10px 0 0; border-bottom: 1px solid lightgrey;
  margin: -5px -5px 5px -5px; white-space: nowrap;
}
.context-menu-item {
  padding: 3px 3px 3px 28px; cursor: default;
  background-color: white; background-position: 6px center; background-repeat: no-repeat;
}
.context-menu-item:hover { background-color: #DEDEDE; }
.context-menu-item.danger { color: #cc0000; }
.context-menu-item.danger:hover { background-color: #DEDEDE; }
.context-menu-separator { border-top: 1px solid lightgrey; margin: 0; }
.context-menu-item .shortcut { margin-left: auto; font-size: 11px; color: #999; }
.context-menu-item.has-submenu { position: relative; }
.context-menu-item.has-submenu::after { content: "▸"; position: absolute; right: 6px; top: 4px; font-size: 11px; color: #888; }
.context-submenu {
  display: none; position: absolute; left: 100%; top: -5px;
  background: #ffffff; border: 1px solid darkgray;
  border-radius: 10px; box-shadow: 0 0 5px #888888;
  width: 160px; padding: 5px; z-index: 10001;
  font-family: Verdana, sans-serif; font-size: 15px;
  opacity: 0.95;
}
.context-submenu .context-menu-item { padding: 3px 3px 3px 10px; }
.context-submenu.visible { display: block; }

/* ── Toast / Notification ───────────────────── */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 16px; border-radius: var(--radius-md);
  background: var(--bg-surface); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); font-size: var(--fs-sm);
  min-width: 240px; max-width: 380px;
  animation: toast-in 0.25s ease;
}
.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--info); }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── Modal / Dialog ─────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0, 0, 0, 0.3);
  display: flex; align-items: center; justify-content: center;
}
.modal {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  min-width: 400px; max-width: 90vw; max-height: 85vh;
  display: flex; flex-direction: column;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: var(--fs-lg); color: var(--text-primary); }
.modal-body { padding: var(--spacing-xl); overflow-y: auto; flex: 1; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-top: 1px solid var(--border);
}

/* ── Badge / Tag ────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; padding: 2px 8px;
  border-radius: 999px; font-size: var(--fs-xs); font-weight: 500;
}
.badge-accent { background: var(--accent-subtle); color: var(--accent); }
.badge-success { background: rgba(69, 151, 69, 0.15); color: var(--success); }
.badge-warning { background: rgba(230, 168, 23, 0.15); color: var(--warning); }

/* ── Table list ─────────────────────────────── */
.table-list { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.table-list-header {
  display: flex; padding: 8px 14px; background: var(--bg-surface);
  font-size: var(--fs-xs); font-weight: bold; color: var(--text-dark);
  border-bottom: 1px solid lightgrey;
}
.table-list-row {
  display: flex; align-items: center; padding: 8px 14px;
  border-bottom: 1px solid lightgrey;
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.table-list-row:hover { background: var(--bg-surface-hover); box-shadow: var(--shadow-inset); }
.table-list-row .col-name { flex: 1; font-weight: 500; }
.table-list-row .col-name:hover { color: var(--info); }
.table-list-row .col-date { width: 140px; color: var(--text-secondary); }
.table-list-row .col-actions { width: 120px; display: flex; gap: 4px; justify-content: flex-end; }

/* ── Tree ───────────────────────────────────── */
.tree { padding-left: 0; }
.tree ul { padding-left: 20px; }
.tree-node {
  display: flex; align-items: center; gap: var(--spacing-sm);
  padding: 4px 8px; border-radius: var(--radius-sm);
  font-size: var(--fs-sm); cursor: pointer;
  transition: all var(--transition-fast);
}
.tree-node:hover { background: var(--bg-surface-hover); box-shadow: var(--shadow-inset); }
.tree-node.selected { background: var(--accent); color: var(--text-on-accent); }
.tree-toggle { width: 16px; text-align: center; font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.tree-icon { font-size: var(--fs-sm); flex-shrink: 0; }
.tree-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Toolbar ────────────────────────────────── */
.toolbar {
  display: flex; align-items: center; gap: 2px;
  padding: 4px 8px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.toolbar-group { display: flex; align-items: center; gap: 2px; }
.toolbar-separator { width: 1px; height: 24px; background: var(--border); margin: 0 6px; }
.toolbar-btn {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: var(--fs-sm);
  transition: all var(--transition-fast);
}
.toolbar-btn:hover { background: var(--bg-surface-hover); color: var(--text-primary); }
.toolbar-btn.active { background: var(--accent); color: var(--text-on-accent); }