/* =====================================================================
   HSLAB Expert Demo Kit — Components
   tokens.css 의 변수에 의존. 데모 공통 컴포넌트 스타일.
   ===================================================================== */

.dk, .dk * { box-sizing: border-box; }

/* ---------- App shell ---------- */
.dk-app { min-height: 100vh; background: var(--dk-bg); color: var(--dk-text); font-family: var(--dk-font); }

.dk-sidebar {
  width: var(--dk-sidebar-w); position: fixed; left: 0; top: 0; height: 100vh;
  background: var(--dk-surface); border-right: 1px solid var(--dk-border);
  display: flex; flex-direction: column; z-index: var(--dk-z-sidebar);
  transition: transform var(--dk-dur) var(--dk-ease);
}
.dk-sidebar__header { padding: var(--dk-5); display: flex; align-items: center; gap: var(--dk-3); border-bottom: 1px solid var(--dk-border); }
.dk-logo { width: 36px; height: 36px; border-radius: var(--dk-r-md); background: var(--dk-accent-grad); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; box-shadow: var(--dk-shadow-sm); }
.dk-logo svg { width: 20px; height: 20px; }
.dk-logo__text .t { font-size: var(--dk-fs-base); font-weight: 800; color: var(--dk-text); line-height: 1.1; }
.dk-logo__text .s { font-size: var(--dk-fs-xs); color: var(--dk-text-muted); }
.dk-nav { flex: 1; padding: var(--dk-3); overflow-y: auto; }
.dk-nav__group { font-size: var(--dk-fs-xs); font-weight: 700; color: var(--dk-text-subtle); text-transform: uppercase; letter-spacing: .04em; padding: var(--dk-4) var(--dk-3) var(--dk-2); }
.dk-nav__item {
  display: flex; align-items: center; gap: var(--dk-3); padding: 11px 13px; border-radius: var(--dk-r-md);
  color: var(--dk-text-muted); text-decoration: none; font-size: var(--dk-fs-sm); font-weight: 600;
  transition: background var(--dk-dur-fast) var(--dk-ease), color var(--dk-dur-fast) var(--dk-ease); cursor: pointer; margin-bottom: 2px;
  position: relative;
}
.dk-nav__item svg { width: 18px; height: 18px; flex-shrink: 0; }
.dk-nav__item:hover { background: var(--dk-surface-2); color: var(--dk-text); }
.dk-nav__item.is-active { background: var(--dk-accent-soft); color: var(--dk-accent-strong); }
.dk-nav__item.is-active::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--dk-accent); }
.dk-nav__badge { margin-left: auto; background: var(--dk-accent-soft); color: var(--dk-accent-strong); font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: var(--dk-r-full); }
.dk-sidebar__footer { padding: var(--dk-4); border-top: 1px solid var(--dk-border); display: flex; align-items: center; gap: var(--dk-3); }

.dk-main { margin-left: var(--dk-sidebar-w); min-height: 100vh; }
.dk-header {
  height: 64px; padding: 0 var(--dk-8); background: rgba(255,255,255,.85); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--dk-border); display: flex; align-items: center; justify-content: space-between; gap: var(--dk-5);
  position: sticky; top: 0; z-index: var(--dk-z-header);
}
.dk-header__title { font-size: var(--dk-fs-xl); font-weight: 800; margin: 0; line-height: 1.1; }
.dk-header__sub { font-size: var(--dk-fs-xs); color: var(--dk-text-muted); margin: 2px 0 0; }
.dk-header__controls { display: flex; align-items: center; gap: var(--dk-3); }
.dk-content { padding: var(--dk-6) var(--dk-8) var(--dk-8); max-width: 1480px; }

/* ---------- Avatar / icon buttons ---------- */
.dk-avatar { width: 36px; height: 36px; border-radius: var(--dk-r-md); background: var(--dk-accent-grad); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: var(--dk-fs-xs); flex-shrink: 0; }
.dk-iconbtn {
  position: relative; width: 40px; height: 40px; min-height: 40px; background: var(--dk-surface-2); border: 1px solid var(--dk-border);
  border-radius: var(--dk-r-md); color: var(--dk-text-muted); cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--dk-dur-fast) var(--dk-ease);
}
.dk-iconbtn:hover { background: var(--dk-surface-3); color: var(--dk-text); }
.dk-iconbtn svg { width: 18px; height: 18px; }
.dk-dot-badge { position: absolute; top: -4px; right: -4px; min-width: 18px; height: 18px; padding: 0 4px; background: var(--dk-danger); color: #fff; border-radius: var(--dk-r-full); font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; border: 2px solid var(--dk-surface); }

/* ---------- Card ---------- */
.dk-card { background: var(--dk-surface); border: 1px solid var(--dk-border); border-radius: var(--dk-r-lg); padding: var(--dk-5); box-shadow: var(--dk-shadow-sm); }
.dk-card--pad0 { padding: 0; overflow: hidden; }
.dk-card__head { display: flex; align-items: center; justify-content: space-between; gap: var(--dk-4); margin-bottom: var(--dk-5); }
.dk-card__title { font-size: var(--dk-fs-lg); font-weight: 800; margin: 0; }
.dk-card__sub { font-size: var(--dk-fs-xs); color: var(--dk-text-muted); margin: 2px 0 0; }

/* ---------- KPI / stat ---------- */
.dk-kpi { background: var(--dk-surface); border: 1px solid var(--dk-border); border-radius: var(--dk-r-lg); padding: var(--dk-5); box-shadow: var(--dk-shadow-sm); transition: box-shadow var(--dk-dur) var(--dk-ease), transform var(--dk-dur) var(--dk-ease); }
.dk-kpi:hover { box-shadow: var(--dk-shadow-md); transform: translateY(-2px); }
.dk-kpi__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--dk-3); }
.dk-kpi__label { font-size: var(--dk-fs-xs); color: var(--dk-text-muted); font-weight: 600; }
.dk-kpi__ico { width: 34px; height: 34px; border-radius: var(--dk-r-md); background: var(--dk-accent-soft); color: var(--dk-accent-strong); display: flex; align-items: center; justify-content: center; }
.dk-kpi__ico svg { width: 18px; height: 18px; }
.dk-kpi__value { font-size: var(--dk-fs-2xl); font-weight: 800; color: var(--dk-text); letter-spacing: -.01em; line-height: 1.1; }
.dk-kpi__delta { display: inline-flex; align-items: center; gap: 4px; font-size: var(--dk-fs-xs); font-weight: 700; margin-top: var(--dk-3); }
.dk-kpi__delta.up { color: var(--dk-success); }
.dk-kpi__delta.down { color: var(--dk-danger); }
.dk-kpi__delta svg { width: 13px; height: 13px; }

/* ---------- Badges ---------- */
.dk-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: var(--dk-r-full); font-size: var(--dk-fs-xs); font-weight: 700; line-height: 1.4; white-space: nowrap; }
.dk-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .9; }
.dk-badge--plain::before { display: none; }
.dk-badge--success { background: var(--dk-success-soft); color: var(--dk-success); }
.dk-badge--warning { background: var(--dk-warning-soft); color: var(--dk-warning); }
.dk-badge--danger  { background: var(--dk-danger-soft);  color: var(--dk-danger); }
.dk-badge--info    { background: var(--dk-info-soft);    color: var(--dk-info); }
.dk-badge--neutral { background: var(--dk-surface-2);    color: var(--dk-text-muted); }
.dk-badge--accent  { background: var(--dk-accent-soft);  color: var(--dk-accent-strong); }

/* ---------- Buttons ---------- */
.dk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--dk-2);
  padding: 9px 16px; min-height: 40px; border-radius: var(--dk-r-md); border: 1px solid transparent;
  font-family: var(--dk-font); font-size: var(--dk-fs-sm); font-weight: 700; cursor: pointer; white-space: nowrap;
  transition: all var(--dk-dur-fast) var(--dk-ease);
}
.dk-btn svg { width: 16px; height: 16px; }
.dk-btn:focus-visible { outline: none; box-shadow: var(--dk-ring); }
.dk-btn--primary { background: var(--dk-accent); color: var(--dk-accent-contrast); }
.dk-btn--primary:hover { background: var(--dk-accent-strong); transform: translateY(-1px); box-shadow: var(--dk-shadow-md); }
.dk-btn--ghost { background: var(--dk-surface); color: var(--dk-text); border-color: var(--dk-border-strong); }
.dk-btn--ghost:hover { background: var(--dk-surface-2); }
.dk-btn--soft { background: var(--dk-accent-soft); color: var(--dk-accent-strong); }
.dk-btn--soft:hover { background: var(--dk-accent-softer); }
.dk-btn--sm { padding: 6px 11px; min-height: 32px; font-size: var(--dk-fs-xs); }
.dk-btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------- Segmented control ---------- */
.dk-seg { display: inline-flex; background: var(--dk-surface-2); border: 1px solid var(--dk-border); border-radius: var(--dk-r-md); padding: 3px; gap: 2px; }
.dk-seg__btn { border: none; background: transparent; color: var(--dk-text-muted); font-family: var(--dk-font); font-size: var(--dk-fs-xs); font-weight: 700; padding: 6px 14px; min-height: 34px; border-radius: 7px; cursor: pointer; transition: all var(--dk-dur-fast) var(--dk-ease); }
.dk-seg__btn:hover { color: var(--dk-text); }
.dk-seg__btn.is-active { background: var(--dk-surface); color: var(--dk-accent-strong); box-shadow: var(--dk-shadow-sm); }

/* ---------- Table / DataTable ---------- */
.dk-tbl-wrap { width: 100%; }
.dk-tbl-toolbar { display: flex; align-items: center; gap: var(--dk-3); flex-wrap: wrap; margin-bottom: var(--dk-4); }
.dk-tbl-search { position: relative; flex: 1; min-width: 180px; max-width: 320px; }
.dk-tbl-search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--dk-text-subtle); pointer-events: none; }
.dk-tbl-search input { width: 100%; padding: 9px 12px 9px 34px; border: 1px solid var(--dk-border-strong); border-radius: var(--dk-r-md); font-family: var(--dk-font); font-size: var(--dk-fs-sm); background: var(--dk-surface); transition: border-color var(--dk-dur-fast), box-shadow var(--dk-dur-fast); }
.dk-tbl-search input:focus { outline: none; border-color: var(--dk-accent); box-shadow: var(--dk-ring); }
.dk-tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--dk-r-md); }
.dk-tbl { width: 100%; border-collapse: collapse; font-size: var(--dk-fs-base); }
.dk-tbl th { background: var(--dk-surface-2); padding: 11px 14px; text-align: left; font-size: var(--dk-fs-xs); font-weight: 700; color: var(--dk-text-muted); border-bottom: 1px solid var(--dk-border); white-space: nowrap; position: sticky; top: 0; }
.dk-tbl th.is-sortable { cursor: pointer; user-select: none; }
.dk-tbl th.is-sortable:hover { color: var(--dk-text); }
.dk-tbl th .dk-sort { display: inline-flex; align-items: center; gap: 5px; }
.dk-tbl th .dk-sort i { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; opacity: .35; }
.dk-tbl th[data-dir="asc"] .dk-sort i { border-bottom: 5px solid var(--dk-accent); opacity: 1; }
.dk-tbl th[data-dir="desc"] .dk-sort i { border-top: 5px solid var(--dk-accent); opacity: 1; }
.dk-tbl td { padding: 12px 14px; border-bottom: 1px solid var(--dk-surface-2); color: var(--dk-text); white-space: nowrap; }
.dk-tbl tbody tr { transition: background var(--dk-dur-fast) var(--dk-ease); }
.dk-tbl tbody tr:hover { background: var(--dk-accent-softer); }
.dk-tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.dk-tbl .rank { font-weight: 800; color: var(--dk-text-muted); }
.dk-tbl-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--dk-3); margin-top: var(--dk-4); flex-wrap: wrap; }
.dk-tbl-count { font-size: var(--dk-fs-xs); color: var(--dk-text-muted); }
.dk-pager { display: inline-flex; align-items: center; gap: 4px; }
.dk-pager button { min-width: 34px; height: 34px; min-height: 34px; padding: 0 8px; border: 1px solid var(--dk-border-strong); background: var(--dk-surface); color: var(--dk-text-muted); border-radius: var(--dk-r-sm); font-family: var(--dk-font); font-size: var(--dk-fs-xs); font-weight: 700; cursor: pointer; transition: all var(--dk-dur-fast) var(--dk-ease); }
.dk-pager button:hover:not(:disabled) { border-color: var(--dk-accent); color: var(--dk-accent-strong); }
.dk-pager button.is-active { background: var(--dk-accent); color: var(--dk-accent-contrast); border-color: var(--dk-accent); }
.dk-pager button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- Empty state ---------- */
.dk-empty { padding: var(--dk-12) var(--dk-5); text-align: center; color: var(--dk-text-muted); }
.dk-empty svg { width: 40px; height: 40px; color: var(--dk-text-subtle); margin-bottom: var(--dk-3); }
.dk-empty__title { font-size: var(--dk-fs-base); font-weight: 700; color: var(--dk-text); margin-bottom: 4px; }
.dk-empty__text { font-size: var(--dk-fs-xs); }

/* ---------- Skeleton ---------- */
.dk-skel { background: linear-gradient(90deg, var(--dk-surface-2) 25%, var(--dk-surface-3) 37%, var(--dk-surface-2) 63%); background-size: 400% 100%; animation: dk-shimmer 1.4s ease infinite; border-radius: var(--dk-r-sm); }
@keyframes dk-shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
.dk-skel-row { height: 14px; margin: 10px 0; }

/* ---------- Toast ---------- */
.dk-toasts { position: fixed; top: 18px; right: 18px; z-index: var(--dk-z-toast); display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.dk-toast {
  pointer-events: auto; min-width: 240px; max-width: 360px; background: var(--dk-surface); border: 1px solid var(--dk-border);
  border-left: 4px solid var(--dk-accent); border-radius: var(--dk-r-md); box-shadow: var(--dk-shadow-lg);
  padding: 12px 14px; display: flex; align-items: flex-start; gap: 10px; font-size: var(--dk-fs-sm); color: var(--dk-text);
  animation: dk-toast-in var(--dk-dur) var(--dk-ease);
}
.dk-toast.is-out { animation: dk-toast-out var(--dk-dur) var(--dk-ease) forwards; }
.dk-toast svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.dk-toast--success { border-left-color: var(--dk-success); } .dk-toast--success svg { color: var(--dk-success); }
.dk-toast--warning { border-left-color: var(--dk-warning); } .dk-toast--warning svg { color: var(--dk-warning); }
.dk-toast--danger  { border-left-color: var(--dk-danger); }  .dk-toast--danger svg  { color: var(--dk-danger); }
.dk-toast--info    { border-left-color: var(--dk-info); }    .dk-toast--info svg    { color: var(--dk-info); }
@keyframes dk-toast-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes dk-toast-out { to { opacity: 0; transform: translateX(24px); } }

/* ---------- Modal ---------- */
.dk-modal-back { position: fixed; inset: 0; background: rgba(15, 23, 42, .5); backdrop-filter: blur(2px); z-index: var(--dk-z-modal); display: flex; align-items: center; justify-content: center; padding: var(--dk-5); animation: dk-fade var(--dk-dur) var(--dk-ease); }
.dk-modal { background: var(--dk-surface); border-radius: var(--dk-r-lg); box-shadow: var(--dk-shadow-lg); width: 100%; max-width: 520px; max-height: 88vh; overflow: auto; animation: dk-pop var(--dk-dur) var(--dk-ease); }
.dk-modal__head { display: flex; align-items: center; justify-content: space-between; gap: var(--dk-4); padding: var(--dk-5); border-bottom: 1px solid var(--dk-border); }
.dk-modal__title { font-size: var(--dk-fs-lg); font-weight: 800; margin: 0; }
.dk-modal__close { width: 34px; height: 34px; min-height: 34px; border: none; background: var(--dk-surface-2); color: var(--dk-text-muted); border-radius: var(--dk-r-sm); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.dk-modal__close:hover { background: var(--dk-surface-3); color: var(--dk-text); }
.dk-modal__close svg { width: 18px; height: 18px; }
.dk-modal__body { padding: var(--dk-5); font-size: var(--dk-fs-base); color: var(--dk-text); line-height: 1.6; }
.dk-modal__foot { display: flex; justify-content: flex-end; gap: var(--dk-3); padding: var(--dk-4) var(--dk-5); border-top: 1px solid var(--dk-border); }
@keyframes dk-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes dk-pop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ---------- Grids ---------- */
.dk-grid { display: grid; gap: var(--dk-5); }
.dk-grid--4 { grid-template-columns: repeat(4, 1fr); }
.dk-grid--3 { grid-template-columns: repeat(3, 1fr); }
.dk-grid--2 { grid-template-columns: repeat(2, 1fr); }
.dk-grid--main { grid-template-columns: 2fr 1fr; }

/* ---------- Hamburger / overlay ---------- */
.dk-hamburger { display: none; width: 44px; height: 44px; min-height: 44px; border: none; background: transparent; color: var(--dk-text); border-radius: var(--dk-r-sm); cursor: pointer; align-items: center; justify-content: center; }
.dk-hamburger:hover { background: var(--dk-surface-2); }
.dk-overlay { display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, .55); z-index: var(--dk-z-overlay); }
.dk-overlay.is-open { display: block; }

.dk-reveal { opacity: 0; transform: translateY(12px); animation: dk-reveal var(--dk-dur-slow) var(--dk-ease) forwards; }
@keyframes dk-reveal { to { opacity: 1; transform: translateY(0); } }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) { .dk-grid--4 { grid-template-columns: repeat(2, 1fr); } .dk-grid--main { grid-template-columns: 1fr; } .dk-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 1023px) {
  .dk-sidebar { transform: translateX(-100%); }
  .dk-sidebar.is-open { transform: translateX(0); }
  .dk-main { margin-left: 0; }
  .dk-hamburger { display: flex; }
  .dk-content { padding: var(--dk-5) var(--dk-5) var(--dk-8); }
  .dk-header { padding: 0 var(--dk-5); }
}
@media (max-width: 640px) {
  .dk-grid--4, .dk-grid--3, .dk-grid--2 { grid-template-columns: 1fr; }
  .dk-header__title { font-size: var(--dk-fs-lg); }
  .dk-header__sub { display: none; }
  .dk-header { gap: var(--dk-2); }
}