/* ============================================================
   DESIGN SYSTEM — components.css
   Requires tokens.css to be loaded first.
   ============================================================ */

/* ---- BUTTON ----------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-sm); font-family: var(--font-sans); font-weight: 600;
  font-size: var(--text-body); letter-spacing: -0.01em; line-height: 1;
  border-radius: var(--radius-md); padding: var(--space-sm) var(--space-lg);
  border: none; cursor: pointer; position: relative; overflow: hidden;
  transition: transform var(--ease-snappy), box-shadow var(--ease-smooth),
              background var(--ease-smooth), border-color var(--ease-smooth);
  white-space: nowrap; user-select: none; text-decoration: none;
}
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.btn:focus-visible,
.tab-trigger:focus-visible,
.accordion-trigger:focus-visible,
.dropdown-item:focus-visible,
.command-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg,
    transparent 30%, rgba(3,234,179,0.10) 50%,
    rgba(27,47,204,0.06) 65%, transparent 80%);
  background-size: 200% 100%;
  background-position: -100% center;
  opacity: 0; transition: opacity 0.2s ease;
}
.btn:hover:not(:disabled)::after {
  opacity: 1; animation: btnShimmer 0.5s linear forwards;
}
.btn-primary {
  background: var(--accent); color: var(--accent-fg);
}
.btn-primary:hover:not(:disabled) {
  transform: scale(1.02); box-shadow: var(--shadow-sm);
}
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-subtle); border-color: var(--border-strong);
}
.btn-destructive { background: var(--danger); color: #fff; }
.btn-destructive::after { display: none; }
[data-theme="dark"] .btn-destructive { color: var(--bg); }
.btn-destructive:hover:not(:disabled) {
  filter: brightness(1.1); transform: scale(1.02);
}
.btn-icon {
  padding: var(--space-sm); width: 36px; height: 36px;
  border-radius: var(--radius-lg); background: var(--surface-2);
  border: 1px solid var(--border); color: var(--text);
  isolation: isolate;
  transition: box-shadow var(--ease-smooth);
}
.btn-icon::after { display: none; }
.btn-icon::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(3,234,179,0.18), rgba(64,100,255,0.18));
  opacity: 0; transition: opacity var(--ease-smooth);
  z-index: -1; pointer-events: none;
}
.btn-icon:hover:not(:disabled) {
  box-shadow: 0 0 0 1.5px rgba(3,234,179,0.35), 0 4px 12px rgba(64,100,255,0.12);
  transform: none;
}
.btn-icon:hover:not(:disabled)::before { opacity: 1; }
.btn-sm { font-size: 13px; padding: 5px var(--space-md); }
.btn-lg { font-size: 15px; padding: var(--space-md) var(--space-2xl); }

/* ---- INPUT / TEXTAREA ------------------------------------- */
.input-wrapper { position: relative; display: block; }
.input-wrapper::before {
  content: ''; position: absolute; inset: -2px;
  border-radius: calc(var(--radius-md) + 2px);
  background: var(--gradient-core); opacity: 0;
  transition: opacity var(--ease-smooth); z-index: 0; pointer-events: none;
}
.input-wrapper:focus-within::before { opacity: 1; }
.input-field {
  position: relative; z-index: 1; display: block; width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans); font-size: var(--text-body); color: var(--text);
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); outline: none;
  transition: border-color var(--ease-smooth);
}
.input-field::placeholder { color: var(--text-muted); }
.input-field:hover:not(:focus) { border-color: var(--border-strong); }
.input-field:focus { border-color: transparent; }
.input-field.input-error { border-color: var(--danger); }
.input-error-msg {
  display: block; margin-top: var(--space-xs);
  font-size: 12px; color: var(--danger); font-weight: 500;
}
.input-label {
  display: block; margin-bottom: var(--space-xs);
  font-size: var(--text-label); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-subtle);
}
.input-prefix, .input-suffix {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  color: var(--text-muted); display: flex; align-items: center;
}
.input-prefix { left: var(--space-md); }
.input-suffix { right: var(--space-md); }
.input-field.has-prefix { padding-left: var(--space-4xl); }
.input-field.has-suffix { padding-right: var(--space-4xl); }

/* ---- TOGGLE ----------------------------------------------- */
.toggle {
  appearance: none; width: 40px; height: 22px;
  border-radius: var(--radius-full); background: var(--border);
  cursor: pointer; position: relative;
  transition: background var(--ease-snappy);
}
.toggle::after {
  content: ''; position: absolute; width: 16px; height: 16px;
  border-radius: var(--radius-full); background: #fff;
  top: 3px; left: 3px;
  transition: transform var(--ease-spring), width var(--ease-snappy);
  box-shadow: var(--shadow-xs);
}
.toggle:checked { background: var(--accent); }
.toggle:checked::after { transform: translateX(18px); }
.toggle:hover::after { width: 18px; }
.toggle:checked:hover::after { transform: translateX(16px); }
.toggle:disabled { opacity: 0.4; cursor: not-allowed; }
[data-theme="dark"] .toggle:checked::after { background: var(--bg); }

/* ---- CHECKBOX --------------------------------------------- */
.checkbox {
  appearance: none; width: 16px; height: 16px; flex-shrink: 0;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); cursor: pointer;
  transition: background var(--ease-snappy), border-color var(--ease-snappy);
  position: relative;
}
.checkbox:checked {
  background: var(--accent); border-color: var(--accent);
}
.checkbox:checked::after {
  content: ''; position: absolute; left: 4px; top: 1px;
  width: 5px; height: 9px; border: 2px solid var(--accent-fg);
  border-left: none; border-top: none; transform: rotate(45deg);
}
.checkbox:indeterminate { background: var(--accent); border-color: var(--accent); }
.checkbox:indeterminate::after {
  content: ''; position: absolute; left: 3px; top: 6px;
  width: 8px; height: 2px; background: var(--accent-fg);
}
.checkbox:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- CARD ------------------------------------------------- */
.card-wrapper {
  padding: 1.5px; border-radius: calc(var(--radius-xl) + 1.5px);
  background: var(--border); position: relative;
  transition: box-shadow var(--ease-smooth);
}
.card-wrapper::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: 0;
  background: linear-gradient(135deg, rgba(3,234,179,0.85), rgba(64,102,255,0.85), rgba(123,79,208,0.85), rgba(3,234,179,0.85));
  background-size: 300% 300%;
  opacity: 0; transition: opacity var(--ease-smooth);
}
.card-wrapper:hover { box-shadow: var(--shadow-md); }
.card-wrapper:hover::before { opacity: 1; animation: borderRotate 3s linear infinite; }
.card-inner {
  position: relative; z-index: 1;
  background: var(--surface); border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transform: translateY(0); transition: transform var(--ease-spring);
}
.card-inner-compact { padding: var(--space-lg); }
.card-wrapper:hover .card-inner { transform: translateY(-1px); }

/* ---- SEPARATOR -------------------------------------------- */
.separator {
  border: none; height: 1px; background: var(--border);
  margin: var(--space-lg) 0;
}
.separator-vertical {
  width: 1px; height: 100%; background: var(--border);
  margin: 0 var(--space-lg); align-self: stretch;
}
.separator-gradient {
  background: linear-gradient(90deg, transparent, var(--border-strong) 30%, var(--border-strong) 70%, transparent);
}

/* ---- TABS ------------------------------------------------- */
.tabs-list {
  display: flex; border-bottom: 1px solid var(--border);
  gap: var(--space-xs);
}
.tab-trigger {
  padding: var(--space-sm) var(--space-md); border: none; background: none;
  font-family: var(--font-sans); font-size: var(--text-sm); font-weight: 500;
  color: var(--text-muted); cursor: pointer; position: relative;
  transition: color var(--ease-smooth);
}
.tab-trigger::after {
  content: ''; position: absolute; bottom: -1px; left: 0;
  width: 0; height: 2px; border-radius: 1px;
  background: var(--gradient-core); transition: width var(--ease-smooth);
}
.tab-trigger[data-active="true"] { color: var(--text); font-weight: 600; }
.tab-trigger[data-active="true"]::after { width: 100%; }
.tab-trigger:hover:not([data-active="true"]) { color: var(--text-subtle); }
.tab-content { padding-top: var(--space-lg); }

/* ---- ACCORDION -------------------------------------------- */
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: var(--space-lg) 0; border: none; background: none;
  font-family: var(--font-sans); font-size: var(--text-body); font-weight: 600;
  color: var(--text); cursor: pointer; text-align: left;
  transition: background var(--ease-smooth);
}
.accordion-trigger:hover { color: var(--text-subtle); }
.accordion-chevron {
  color: var(--text-muted); transition: transform var(--ease-reveal);
  flex-shrink: 0;
}
.accordion-item[data-open="true"] .accordion-chevron { transform: rotate(180deg); }
.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--ease-reveal);
}
.accordion-item[data-open="true"] .accordion-content {
  grid-template-rows: 1fr;
}
.accordion-content-inner { overflow: hidden; padding-bottom: var(--space-lg); color: var(--text-subtle); font-size: var(--text-body); }

/* ---- BADGE ------------------------------------------------ */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  font-family: var(--font-sans); font-size: var(--text-label); font-weight: 600;
  letter-spacing: 0.02em; padding: 2px var(--space-sm);
  border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: transform var(--ease-snappy);
}
.badge:hover { transform: scale(1.03); }
.badge-default { background: var(--bg-muted); color: var(--text-subtle); border-color: var(--border); }
.badge-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
.badge-pill { border-radius: var(--radius-full); }
.badge-info {
  background: var(--bg-muted);
  color: var(--text);
  border: 1.5px solid var(--border-strong);
  font-weight: 700;
}

/* ---- SKELETON --------------------------------------------- */
.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg,
    rgba(3,234,179,0.08) 25%, rgba(64,100,255,0.18) 37%,
    rgba(3,234,179,0.08) 63%);
  background-size: 400% 100%;
  animation: skeletonSweep 3.5s linear infinite;
}

/* ---- SPINNER ---------------------------------------------- */
.spinner {
  border-radius: 50%; border: 2px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.84s linear infinite;
}
.spinner-sm  { width: 14px; height: 14px; }
.spinner-md  { width: 20px; height: 20px; }
.spinner-lg  { width: 28px; height: 28px; }

/* ---- PROGRESS --------------------------------------------- */
.progress-track {
  height: 6px; background: var(--border);
  border-radius: var(--radius-full); overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--gradient-core);
  border-radius: var(--radius-full);
  transition: width var(--ease-smooth);
}
.progress-indeterminate {
  width: 40%;
  animation: progressSlide 1.4s ease-in-out infinite;
}

/* ---- AVATAR ----------------------------------------------- */
.avatar {
  border-radius: var(--radius-full); overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-sans); font-weight: 600;
  background: var(--bg-muted); color: var(--text-subtle);
  transition: transform var(--ease-spring), box-shadow var(--ease-smooth);
}
.avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px rgba(3, 234, 179, 0.85);
}
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-md { width: 36px; height: 36px; font-size: 13px; }
.avatar-lg { width: 48px; height: 48px; font-size: 16px; }

/* ---- TOAST ------------------------------------------------ */
.toast-container {
  position: fixed; bottom: var(--space-2xl); right: var(--space-2xl);
  display: flex; flex-direction: column; gap: var(--space-sm); z-index: var(--z-toast);
}
.toast {
  display: flex; align-items: flex-start; gap: var(--space-md);
  padding: var(--space-md) var(--space-lg); border-radius: var(--radius-xl);
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); max-width: 360px; min-width: 280px;
  font-family: var(--font-sans); animation: toastSlideIn var(--ease-reveal) forwards;
}
.toast-title { font-size: var(--text-sm); font-weight: 600; color: var(--text); }
.toast-desc  { font-size: 12px; color: var(--text-subtle); margin-top: 2px; }

/* ---- TOOLTIP ---------------------------------------------- */
.tooltip-wrapper { position: relative; display: inline-flex; }
.tooltip-content {
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  font-family: var(--font-sans); font-size: 12px; font-weight: 500;
  padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-md);
  white-space: nowrap; pointer-events: none; z-index: var(--z-tooltip);
  opacity: 0; transition: opacity var(--ease-smooth);
  box-shadow: var(--shadow-sm);
}
.tooltip-wrapper:hover .tooltip-content,
.tooltip-wrapper:focus-within .tooltip-content { opacity: 1; }

/* ---- MODAL ------------------------------------------------ */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px); z-index: var(--z-modal); display: flex;
  align-items: center; justify-content: center; padding: var(--space-lg);
}
.modal-content {
  background: var(--surface); border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 480px;
  padding: var(--space-2xl);
  animation: modalEnter var(--ease-spring) forwards;
}
.modal-title { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); }
.modal-desc  { font-size: var(--text-body); color: var(--text-subtle); margin-top: var(--space-xs); }
.modal-footer {
  display: flex; justify-content: flex-end; gap: var(--space-sm);
  margin-top: var(--space-2xl); padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

/* ---- DROPDOWN / POPOVER ----------------------------------- */
.dropdown-content {
  position: absolute; z-index: var(--z-dropdown); min-width: 180px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: var(--space-xs); animation: slideDown var(--ease-reveal) forwards;
}
.dropdown-item {
  display: flex; align-items: center; gap: var(--space-sm);
  width: 100%; padding: var(--space-sm) var(--space-md);
  border: none; background: none; border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: var(--text-sm); color: var(--text);
  cursor: pointer; text-align: left;
  transition: background var(--ease-snappy);
}
.dropdown-item:hover { background: var(--bg-muted); }
.dropdown-separator { height: 1px; background: var(--border); margin: var(--space-xs) 0; }

/* ---- COMMAND PALETTE -------------------------------------- */
.command-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px); z-index: var(--z-command);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 15vh;
}
.command-dialog {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-2xl); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 560px; overflow: hidden;
  animation: modalEnter var(--ease-spring) forwards;
}
.command-input {
  width: 100%; padding: var(--space-lg) var(--space-2xl);
  border: none; border-bottom: 1px solid var(--border);
  font-family: var(--font-sans); font-size: 16px; font-weight: 500;
  color: var(--text); background: transparent; outline: none;
}
.command-list { max-height: 360px; overflow-y: auto; padding: var(--space-sm); }
.command-group-label {
  padding: var(--space-sm) var(--space-md); font-size: var(--text-label); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted);
}
.command-item {
  display: flex; align-items: center; gap: var(--space-md);
  width: 100%; padding: var(--space-sm) var(--space-md);
  border: none; background: none; border-radius: var(--radius-md);
  font-family: var(--font-sans); font-size: var(--text-body); color: var(--text);
  cursor: pointer; text-align: left; position: relative;
  transition: background var(--ease-smooth);
}
.command-item::before {
  content: ''; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 0; border-radius: 2px; background: var(--gradient-core);
  transition: width var(--ease-smooth);
}
.command-item:hover,
.command-item-focused { background: var(--bg-muted); }
.command-item:hover::before,
.command-item-focused::before { width: 3px; }

/* ---- TABLE ------------------------------------------------ */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-xl); border: 1px solid var(--border); }
.table {
  width: 100%; border-collapse: collapse;
  font-family: var(--font-sans); font-size: var(--text-body);
}
.table th {
  padding: var(--space-sm) var(--space-lg); text-align: left;
  font-size: var(--text-label); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-muted);
  background: var(--bg-subtle); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table th.sortable { cursor: pointer; user-select: none; }
.table th.sortable:hover { color: var(--text-subtle); }
.table td {
  padding: var(--space-sm) var(--space-lg); color: var(--text);
  border-bottom: 1px solid var(--border);
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background var(--ease-smooth); }
.table tbody tr:hover { background: var(--bg-subtle); }

/* ---- EMPTY STATE ------------------------------------------ */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: var(--space-5xl) var(--space-3xl);
}
.empty-icon { color: var(--text-muted); margin-bottom: var(--space-lg); }
.empty-title {
  font-size: var(--text-h3); font-weight: 600; color: var(--text);
  letter-spacing: -0.015em; margin-bottom: var(--space-sm);
}
.empty-desc { font-size: var(--text-body); color: var(--text-subtle); margin-bottom: var(--space-xl); }

/* ---- BREADCRUMB ------------------------------------------- */
.breadcrumb { display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap; }
.breadcrumb-item {
  font-size: var(--text-sm); color: var(--text-muted); font-family: var(--font-sans);
  transition: color var(--ease-smooth); text-decoration: none;
}
.breadcrumb-item:hover { color: var(--text); }
.breadcrumb-item.current { color: var(--text); font-weight: 500; }
.breadcrumb-sep { color: var(--text-muted); font-size: 12px; }

/* ---- SLIDER ----------------------------------------------- */
.slider-wrapper { position: relative; padding: var(--space-md) 0; }
.slider-track-bg {
  height: 4px; background: var(--border); border-radius: var(--radius-full);
  position: relative;
}
.slider-fill {
  position: absolute; left: 0; top: 0; height: 100%;
  background: var(--gradient-core); border-radius: var(--radius-full);
}
input[type="range"].slider {
  position: absolute; left: 0; right: 0;
  top: -10px; width: 100%; height: 24px;
  opacity: 0; cursor: pointer;
}
.slider-thumb {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 16px; height: 16px; border-radius: var(--radius-full);
  background: var(--bg); border: 2px solid var(--accent);
  box-shadow: var(--shadow-sm); pointer-events: none;
  transition: transform var(--ease-spring);
}
.slider-wrapper:has(input:active) .slider-thumb { transform: translate(-50%, -50%) scale(1.25); }

/* ---- RADIO ------------------------------------------------ */
.radio-group { display: flex; flex-direction: column; gap: var(--space-md); }
.radio-item { display: flex; align-items: center; gap: var(--space-sm); cursor: pointer; }
.radio {
  appearance: none; width: 16px; height: 16px; border-radius: var(--radius-full);
  border: 1.5px solid var(--border); background: var(--bg); cursor: pointer;
  transition: border-color var(--ease-snappy), background var(--ease-snappy);
  position: relative; flex-shrink: 0;
}
.radio:checked { border-color: var(--accent); border-width: 4px; background: var(--accent-fg); }
.radio:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- SELECT ----------------------------------------------- */
/* One look, two builds. React <Select> renders .select-trigger + .select-dropdown;
   static HTML uses a plain <select class="select">. Focus is a quiet black border,
   not Input's gradient ring: dropdowns sit in dense bars and tables. The open list of a
   plain <select> is styled where the browser supports appearance: base-select (Chrome,
   Edge, Safari 27+); elsewhere (Firefox for now) the system menu opens under the
   Fishbone trigger. */
.select-wrapper { position: relative; display: block; }

.select-trigger,
.select {
  position: relative; z-index: 1; width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans); font-size: var(--text-body);
  font-weight: 500; line-height: 1.5; letter-spacing: -0.005em;
  color: var(--text); background-color: var(--bg);
  border: 1.5px solid var(--border); border-radius: var(--radius-md);
  outline: none; cursor: pointer; text-align: left;
  transition: border-color var(--ease-smooth);
}
.select-trigger {
  appearance: none; display: flex; align-items: center;
  justify-content: space-between; gap: var(--space-sm); user-select: none;
}
.select {
  appearance: none; display: block;
  /* Same footprint as .select-trigger: 12px inset + 14px chevron + 8px gap.
     The chevron is an image (tokens.css), since a <select> can't hold markup */
  padding-right: calc(var(--space-md) + 14px + var(--space-sm));
  background-image: var(--select-chevron);
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 14px;
}
[data-theme="dark"] .select { color-scheme: dark; }
:is(.select-trigger, .select):hover:not(:disabled) { border-color: var(--border-strong); }
.select-trigger[aria-expanded="true"] { border-color: var(--border-strong); }
:is(.select-trigger, .select):focus-visible { border-color: var(--accent); }
:is(.select-trigger, .select)[aria-invalid="true"] { border-color: var(--danger); }
:is(.select-trigger, .select):disabled { opacity: 0.4; cursor: not-allowed; }

.select-value { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.select-trigger-placeholder { color: var(--text-muted); }
/* A plain chevron, no background shape */
.select-chevron {
  flex-shrink: 0; width: 14px; height: 14px; color: var(--text); pointer-events: none;
  transition: transform var(--ease-smooth);
}
.select-trigger[aria-expanded="true"] .select-chevron { transform: rotate(180deg); }

/* Small: compact and sized to its content, for table cells and toolbars */
.select-wrapper:has(> .select-sm) { display: inline-block; align-self: flex-start; vertical-align: middle; }
:is(.select-trigger, .select).select-sm {
  display: inline-flex; align-items: center; width: auto; white-space: nowrap;
  padding: var(--space-xs) var(--space-sm); font-size: var(--text-sm);
}
.select.select-sm {
  /* 8px inset + 12px chevron + 8px gap */
  padding-right: calc(var(--space-sm) + 12px + var(--space-sm));
  background-size: 12px; background-position: right var(--space-sm) center;
}
.select-sm .select-chevron { width: 12px; height: 12px; }

/* Open list. Option text lines up with the trigger's value:
   1px border + 4px panel padding + 8px option padding = 13px */
.select-dropdown {
  position: absolute; top: calc(100% + var(--space-xs));
  left: 0; z-index: var(--z-dropdown);
  /* At least as wide as the trigger; grows so options are never cut off */
  min-width: 100%; width: max-content;
  max-width: calc(100vw - var(--space-3xl));
  max-height: calc(var(--space-6xl) * 5); overflow-y: auto;
  padding: var(--space-xs);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  animation: slideDown var(--ease-reveal) forwards;
}
.select-option {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-md); padding: var(--space-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: var(--text-body);
  font-weight: 500; line-height: 1.5; letter-spacing: -0.005em;
  color: var(--text); cursor: pointer;
  transition: background var(--ease-snappy);
}
.select-option:hover,
.select-option[data-focused] { background: var(--bg-muted); }
.select-option-check {
  width: 16px; height: 16px; flex-shrink: 0;
  color: var(--text); visibility: hidden;
}
.select-option[aria-selected="true"] .select-option-check { visibility: visible; }

@supports (appearance: base-select) {
  .select,
  .select::picker(select) { appearance: base-select; }
  .select { display: flex; align-items: center; }
  .select::picker-icon { display: none; }
  .select:open { border-color: var(--border-strong); }
  .select::picker(select) {
    /* Chrome's default opens toward whichever side has more room, so lists in the
       lower half of the window open upward. Prefer below; flip only if it doesn't fit */
    position-try-order: normal;
    margin-block: var(--space-xs);
    max-height: calc(var(--space-6xl) * 5); overflow-y: auto;
    padding: var(--space-xs); color: var(--text);
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  }
  .select:open::picker(select) { animation: slideDown var(--ease-reveal) forwards; }
  .select option {
    display: flex; align-items: center; gap: var(--space-md);
    padding: var(--space-sm); border-radius: var(--radius-sm);
    font-weight: 500; line-height: 1.5; cursor: pointer;
    transition: background var(--ease-snappy);
  }
  /* The background is the focus indicator, same as the React list */
  .select option:hover,
  .select option:focus-visible { background: var(--bg-muted); outline: none; }
  .select option:checked { background: transparent; }
  .select option:checked:hover,
  .select option:checked:focus-visible { background: var(--bg-muted); }
  .select option::checkmark {
    order: 1; margin-inline-start: auto;
    content: ''; width: 16px; height: 16px;
    background: currentColor;
    mask: var(--icon-check) center / 16px no-repeat;
  }
}

/* ---- POPOVER ---------------------------------------------- */
.popover-content {
  position: absolute; z-index: var(--z-dropdown);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  animation: fadeIn var(--ease-reveal) forwards;
  min-width: 220px;
}

/* ---- DENSITY (spec 16.1) ---------------------------------- */
/* Expressive is the default: marketing, onboarding, learning. Put
   data-density="dense" on any container for work done all day, and hover
   becomes a static state change (border, background, shadow, lift): no button
   shimmer, no rotating card border, no gradient glow, no hover growth. What the
   user just did is still answered: press, focus ring, loading and the input
   focus ring are unchanged. */
[data-density="dense"] .btn::after { display: none; }
[data-density="dense"] .btn-primary:hover:not(:disabled),
[data-density="dense"] .btn-destructive:hover:not(:disabled) { transform: none; }
[data-density="dense"] .btn-icon::before { display: none; }
[data-density="dense"] .btn-icon:hover:not(:disabled) {
  border-color: var(--border-strong); box-shadow: var(--shadow-sm);
}
[data-density="dense"] .card-wrapper {
  transition: box-shadow var(--ease-smooth), background var(--ease-smooth);
}
[data-density="dense"] .card-wrapper:hover { background: var(--border-strong); }
[data-density="dense"] .card-wrapper:hover::before { opacity: 0; animation: none; }
[data-density="dense"] .badge:hover,
[data-density="dense"] .avatar:hover { transform: none; }
[data-density="dense"] .avatar:hover { box-shadow: none; }