/* ============================================================
   UI 레이어 스타일 — 모달 · 드로어 · 토스트 · 스켈레톤 · 등장효과
   클래스는 전부 u- 접두사 (기존 클래스를 덮지 않는다)
   색은 기존 토큰만 사용: --ink --sub --faint --line --line2 --gray --point --sale
   ============================================================ */

.u-dim{position:absolute;inset:0;background:rgba(15,17,20,.46);opacity:0;transition:opacity .2s ease}

/* ---------- 모달 ---------- */
.u-modal{position:fixed;inset:0;z-index:210;display:flex;align-items:center;justify-content:center;padding:20px}
.u-modal-box{position:relative;z-index:2;background:#fff;width:100%;display:flex;flex-direction:column;max-height:min(86vh,760px);opacity:0;transform:translateY(14px) scale(.985);transition:opacity .2s ease,transform .22s cubic-bezier(.2,.8,.3,1);box-shadow:0 24px 70px rgba(15,17,20,.28)}
.u-sm{max-width:380px}
.u-md{max-width:560px}
.u-lg{max-width:760px}
.u-modal.u-on .u-dim{opacity:1}
.u-modal.u-on .u-modal-box{opacity:1;transform:none}
.u-modal-hd{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line);flex:none}
.u-modal-hd b{font-size:15px;font-weight:800;letter-spacing:-.03em}
.u-x{margin-left:auto;width:32px;height:32px;display:grid;place-items:center;color:var(--sub)}
.u-x:hover{color:var(--ink)}
.u-modal-bd{padding:18px;overflow:auto;flex:1;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.u-modal-ft{display:flex;gap:8px;justify-content:flex-end;padding:13px 18px;border-top:1px solid var(--line);flex:none;background:var(--gray)}
.u-modal-ft .btn{min-width:110px}

/* 모바일: 바텀시트 */
@media (max-width:760px){
  .u-modal{padding:0;align-items:flex-end}
  .u-modal-box{max-width:none;max-height:88vh;max-height:88dvh;transform:translateY(100%)}
  .u-modal.u-on .u-modal-box{transform:none}
  .u-modal-box::before{content:'';position:absolute;top:7px;left:50%;transform:translateX(-50%);width:40px;height:4px;border-radius:99px;background:var(--line)}
  .u-modal-hd{padding-top:19px}
  .u-modal-ft .btn{flex:1;min-width:0}
  .u-modal-ft{padding-bottom:max(13px,env(safe-area-inset-bottom))}
}

/* ---------- 드로어 ---------- */
.u-drawer{position:fixed;inset:0;z-index:210}
.u-drawer-box{position:absolute;top:0;right:0;bottom:0;z-index:2;width:min(400px,92vw);background:#fff;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .24s cubic-bezier(.2,.8,.3,1);box-shadow:-18px 0 50px rgba(15,17,20,.18)}
.u-drawer.u-on .u-dim{opacity:1}
.u-drawer.u-on .u-drawer-box{transform:none}
.u-drawer-hd{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line);flex:none}
.u-drawer-hd b{font-size:15px;font-weight:800;letter-spacing:-.03em}
.u-drawer-bd{padding:14px 18px;overflow:auto;flex:1;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.u-drawer-ft{padding:13px 18px 14px;border-top:1px solid var(--line);flex:none;background:#fff}
.u-empty{padding:44px 10px;text-align:center;color:var(--faint);font-size:13px}
@media (max-width:760px){
  .u-drawer-box{top:auto;left:0;width:100%;max-height:82vh;max-height:82dvh;transform:translateY(100%);box-shadow:0 -14px 40px rgba(15,17,20,.2)}
  .u-drawer.u-on .u-drawer-box{transform:none}
  .u-drawer-ft{padding-bottom:max(14px,env(safe-area-inset-bottom))}
}

/* ---------- 토스트 ---------- */
.u-toastwrap{position:fixed;left:0;right:0;bottom:24px;z-index:230;display:flex;justify-content:center;pointer-events:none}
.u-toast{display:flex;align-items:center;gap:12px;background:rgba(17,17,17,.94);color:#fff;font-size:13px;font-weight:600;padding:12px 18px;max-width:min(420px,92vw);opacity:0;transform:translateY(10px);transition:opacity .2s,transform .22s;pointer-events:auto;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.u-toast.u-on{opacity:1;transform:none}
.u-toast-act{color:#ffd8c8;font-weight:800;font-size:12.5px;white-space:nowrap;text-decoration:underline;text-underline-offset:2px}
@media (max-width:760px){.u-toastwrap{bottom:64px}}

/* ---------- 스켈레톤 ---------- */
.u-skel{position:relative;display:block;background:#eef0f2;overflow:hidden}
.u-skel::after{content:'';position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);animation:u-shimmer 1.3s infinite}
@keyframes u-shimmer{100%{transform:translateX(100%)}}
.u-skel-card{display:flex;flex-direction:column;gap:7px}
.u-skel-img{aspect-ratio:1/1;width:100%}
.u-skel-t{height:11px}
.u-skel-pr{height:15px}
.u-skel-row{display:flex;gap:12px;align-items:center;padding:10px 0}
.u-skel-sq{width:56px;height:56px;flex:none}
.u-skel-row .u-skel-t{margin-bottom:7px}

/* ---------- 등장 효과 ---------- */
[data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .4s ease,transform .45s cubic-bezier(.2,.7,.3,1)}
[data-reveal].u-in{opacity:1;transform:none}

/* ---------- 감속 모드 존중 ---------- */
@media (prefers-reduced-motion:reduce){
  .u-dim,.u-modal-box,.u-drawer-box,.u-toast,[data-reveal]{transition:none !important}
  [data-reveal]{opacity:1;transform:none}
  .u-skel::after{animation:none}
}