/* SJI VISION — 투두 리스트와 같은 톤(흰 화면 · 파랑 강조) */
:root{--line:#e7e8ef;--ink:#16181f;--mut:#80849a;--acc:#2563eb;--acc-d:#1d4fd8;--acc-soft:#eaf1ff;--acc-line:#cfdffd;--ok:#16a34a;--bad:#dc2626}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#fff;color:var(--ink);font-family:Pretendard,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
button,input{font:inherit}
svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}

#top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:14px 22px 12px;padding-top:max(14px,env(safe-area-inset-top));background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
/* 가운데 이름 = 투두의 단기·중기·장기 알약에서 켜진 버튼 모양 */
.title{display:flex;background:#f3f4f7;padding:4px;border-radius:999px}
.title b{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:800;letter-spacing:.08em;color:var(--ink);background:#fff;border-radius:999px;padding:8px 22px;box-shadow:0 1px 4px rgba(20,24,40,.12)}
#sync{position:absolute;right:22px}
.sync{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--mut)}
.sync i{width:7px;height:7px;border-radius:50%;background:#c3c6d3}
.sync.ok i{background:var(--ok)}.sync.saving i{background:var(--acc);animation:bl .8s infinite}
.sync.err i{background:var(--bad)}.sync.err{color:var(--bad);font-weight:700}
@keyframes bl{50%{opacity:.25}}
em{font-style:normal;font-size:12px;font-weight:700;color:var(--mut);letter-spacing:0}
em:empty{display:none}

main{display:flex;justify-content:center;padding:24px 20px 80px}
.page{width:100%;max-width:960px}

/* 올리기 칸 = 투두의 TODAY 상자 */
.add{display:flex;align-items:center;gap:10px;background:var(--acc-soft);border:1px solid var(--acc-line);border-radius:12px;padding:14px 16px;margin-bottom:14px;color:var(--acc);cursor:pointer;transition:box-shadow .15s}
.add:hover{box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.add svg{width:18px;height:18px;stroke-width:2.6;flex:none}
.add span{font-size:14.5px;font-weight:800}
.add small{margin-left:auto;font-size:12px;color:#8aa3d6}
.board:empty+*{display:none}
.add.big{flex-direction:column;justify-content:center;gap:8px;min-height:46vh;border-style:dashed;text-align:center}
.add.big svg{width:30px;height:30px}
.add.big span{font-size:16px}
.add.big small{margin:0}

/* 사진 판: 줄마다 짧은 칸부터 채우는 벽돌 쌓기 */
.board{display:flex;gap:10px;align-items:flex-start}
.col{flex:1;min-width:0;display:flex;flex-direction:column;gap:10px}
.ph{position:relative;border-radius:12px;overflow:hidden;background:#f3f4f7;cursor:zoom-in;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:manipulation}
.ph img{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none;opacity:0;transition:opacity .25s}
.ph img.in{opacity:1}
.ph.up::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,.55)}
.ph.up i{position:absolute;z-index:1;left:50%;top:50%;width:26px;height:26px;margin:-13px;border:3px solid var(--acc-line);border-top-color:var(--acc);border-radius:50%;animation:sp .8s linear infinite}
.ph.fail::after{background:rgba(220,38,38,.18)}
@keyframes sp{to{transform:rotate(360deg)}}
.ph.ghosted{opacity:.3}
.drag-ghost{position:fixed;z-index:50;pointer-events:none;border-radius:12px;overflow:hidden;box-shadow:0 14px 34px rgba(20,24,40,.25);transform:scale(1.03)}
.drag-ghost img{display:block;width:100%;height:100%;object-fit:cover}
body.dragging,body.dragging *{cursor:grabbing!important}

/* 크게 보기 */
#view{position:fixed;inset:0;z-index:60;background:rgba(14,16,22,.94);display:grid;place-items:center;padding:56px 12px 76px;touch-action:pan-y}
#vimg{max-width:calc(100vw - 24px);max-height:calc(100vh - 132px);max-height:calc(100dvh - 132px);object-fit:contain;border-radius:8px;user-select:none;-webkit-user-select:none}
.vbtn{position:absolute;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:grid;place-items:center;cursor:pointer}
.vbtn:hover{background:rgba(255,255,255,.2)}
.vbtn svg{width:20px;height:20px}
.vclose{top:max(12px,env(safe-area-inset-top));right:12px}
.vprev{left:12px;top:50%;margin-top:-22px}.vnext{right:12px;top:50%;margin-top:-22px}
.vbar{position:absolute;left:0;right:0;bottom:max(14px,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center;gap:16px;color:rgba(255,255,255,.6);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.vdel{border:1px solid rgba(255,255,255,.18);background:none;color:#fff;font-size:13px;font-weight:700;border-radius:9px;padding:7px 14px;cursor:pointer}
.vdel:hover{background:rgba(220,38,38,.85);border-color:transparent}

#drop{position:fixed;inset:0;z-index:55;background:rgba(234,241,255,.86);display:grid;place-items:center;pointer-events:none}
#drop div{border:2px dashed var(--acc);color:var(--acc);font-weight:800;font-size:16px;padding:28px 40px;border-radius:16px;background:#fff}
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:70;background:#16181f;color:#fff;font-size:13px;font-weight:600;padding:10px 16px;border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.2);white-space:nowrap}

@media (hover:none){.vprev,.vnext{display:none}.add small{display:none}.add.big small{display:block}}
@media (max-width:640px){
  #top{padding:10px}
  #sync{right:12px}
  main{padding:14px 10px 60px}
  .board,.col{gap:8px}
  .ph{border-radius:10px}
}