.att-app{--att-pink:#ff6f9c;--att-pink-dark:#ff4f86;--att-purple:#8b6ef2;--att-gold:#ffc94a;--att-cream:#fff8ef;--att-ink:#3a2e4d;--att-card:#ffffff;--att-gray:#9a8fae;--att-shadow:0 10px 25px rgba(139,110,242,0.18);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;background:radial-gradient(circle at 20% 0,#ffe1ec 0,transparent 55%),radial-gradient(circle at 90% 10%,#efe6ff 0,transparent 50%),linear-gradient(180deg,#fff8ef,#fff1f6);color:var(--att-ink);display:flex;justify-content:center}.att-app *{box-sizing:border-box;-webkit-tap-highlight-color:transparent}.att-shell{width:100%;max-width:480px;min-height:100vh;padding:20px 16px 40px;position:relative}.att-header{text-align:center;margin-bottom:18px}.att-header .att-emoji-row{font-size:26px;margin-bottom:2px}.att-header h1{font-size:22px;margin:2px 0 4px;font-weight:800;letter-spacing:-.3px}.att-header p{margin:0;font-size:13px;color:var(--att-gray)}.att-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 0;color:var(--att-gray);gap:12px}.att-spinner{width:38px;height:38px;border-radius:50%;border:4px solid #f1e6ff;border-top:4px solid var(--att-purple);animation:att-spin .8s linear infinite}.att-spinner.att-small{width:26px;height:26px;border-width:3px}@keyframes att-spin{to{transform:rotate(1turn)}}.att-error-box{background:#fff0f0;border:1px solid #ffd2d2;color:#c0392b;padding:14px 16px;border-radius:14px;font-size:13px;line-height:1.6;margin-top:16px}.att-error-box button{margin-top:8px}.att-search-wrap{position:relative;margin-bottom:14px}.att-search-wrap input{width:100%;padding:14px 16px 14px 42px;border-radius:18px;border:2px solid #ffe0ea;background:var(--att-card);font-size:15px;outline:none;box-shadow:var(--att-shadow);transition:border-color .15s}.att-search-wrap input:focus{border-color:var(--att-pink)}.att-search-wrap .att-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:16px;opacity:.6}.att-member-list{display:flex;flex-direction:column;gap:10px}.att-member-card{background:var(--att-card);border-radius:18px;padding:14px 16px;box-shadow:var(--att-shadow);display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:transform .12s ease;border:2px solid transparent}.att-member-card:active{transform:scale(.97)}.att-member-card.att-danger{border-color:#ffd2d2;background:#fff8f8}.att-member-name{font-weight:700;font-size:15.5px;display:flex;align-items:center;gap:6px}.att-member-name .att-badge{font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;background:#fff0e0;color:#c07a1a}.att-hearts{font-size:16px;letter-spacing:2px;white-space:nowrap}.att-hearts .att-dim{opacity:.22}.att-empty-msg{text-align:center;color:var(--att-gray);padding:50px 10px;font-size:14px;line-height:1.7}.att-tab-bar{display:flex;gap:6px;background:var(--att-card);border-radius:16px;padding:5px;box-shadow:var(--att-shadow);margin-bottom:14px}.att-tab-btn{flex:1;border:none;background:transparent;padding:10px 0;border-radius:12px;font-size:14px;font-weight:800;color:var(--att-gray);cursor:pointer;transition:background .15s ease,color .15s ease,transform .1s ease}.att-tab-btn:active{transform:scale(.97)}.att-tab-btn.att-active{background:linear-gradient(135deg,var(--att-pink),var(--att-purple));color:#fff}.att-stat-bar{display:flex;justify-content:flex-end;margin-bottom:10px}.att-stat{display:inline-flex;align-items:center;gap:4px;background:var(--att-card);color:var(--att-purple);font-size:12.5px;font-weight:800;padding:8px 14px;border-radius:14px;box-shadow:var(--att-shadow)}.att-stat strong{font-size:13.5px}.att-sessions-header{display:flex;align-items:center;justify-content:flex-end;margin-bottom:10px}.att-refresh-btn{display:flex;align-items:center;gap:5px;background:var(--att-card);color:var(--att-purple);border:none;padding:8px 14px;border-radius:14px;font-size:12.5px;font-weight:800;box-shadow:var(--att-shadow);cursor:pointer;transition:transform .12s ease}.att-refresh-btn:active{transform:scale(.94)}.att-refresh-btn:disabled{opacity:.6;cursor:not-allowed}.att-session-month-block{margin-bottom:18px}.att-session-month-block:last-child{margin-bottom:0}.att-session-att-card{background:var(--att-card);border-radius:18px;padding:14px 16px;box-shadow:var(--att-shadow);margin-bottom:10px}.att-session-att-card:last-child{margin-bottom:0}.att-session-att-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.att-session-att-title{font-weight:800;font-size:14.5px;line-height:1.4;word-break:keep-all;overflow-wrap:break-word}.att-session-att-sub{font-size:12px;color:var(--att-gray);margin-top:6px}.att-attendee-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.att-attendee-chip{background:#f4edff;color:var(--att-purple);font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:20px;cursor:pointer;transition:transform .1s ease;border:none}.att-attendee-chip:active{transform:scale(.93)}.att-no-attendee{font-size:12.5px;color:var(--att-gray)}.att-detail{animation:att-slide-up .25s ease}@keyframes att-slide-up{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.att-back-btn{background:none;border:none;color:var(--att-purple);font-size:14px;font-weight:700;padding:8px 0 14px;cursor:pointer;display:flex;align-items:center;gap:4px}.att-detail-hero{background:linear-gradient(135deg,var(--att-pink) 0,var(--att-purple) 100%);border-radius:22px;padding:26px 20px;text-align:center;color:#fff;box-shadow:var(--att-shadow);margin-bottom:20px}.att-detail-hero h2{margin:0 0 6px;font-size:20px;font-weight:800}.att-detail-hero .att-join-info{font-size:12.5px;opacity:.9;margin-bottom:12px}.att-detail-hero .att-hearts-big{font-size:28px;letter-spacing:5px}.att-detail-hero .att-hearts-big .att-dim{opacity:.35}.att-detail-hero .att-life-caption{font-size:12px;margin-top:6px;opacity:.9}.att-section-title{font-size:14px;font-weight:800;color:var(--att-ink);margin:4px 0 10px 2px;display:flex;align-items:center;gap:6px}.att-carousel-wrap{position:relative;display:flex;align-items:stretch;gap:10px;margin-bottom:10px}.att-nav-btn{background:linear-gradient(135deg,#ffffff,#f4edff);border:none;width:52px;height:52px;border-radius:18px;box-shadow:var(--att-shadow);font-size:24px;font-weight:800;color:var(--att-purple);cursor:pointer;flex-shrink:0;align-self:center;display:flex;align-items:center;justify-content:center;transition:transform .12s ease,box-shadow .12s ease}.att-nav-btn:active{transform:scale(.88)}.att-nav-btn:disabled{opacity:.25}.att-month-group{flex:1;min-width:0;display:flex;flex-direction:column;gap:10px;touch-action:pan-y}.att-month-group-label{text-align:center;font-size:15px;font-weight:800;color:var(--att-ink)}.att-month-card,.att-month-cards{display:flex;flex-direction:column;gap:10px}.att-month-card{background:var(--att-card);border-radius:18px;box-shadow:var(--att-shadow);padding:14px;-webkit-user-select:none;-moz-user-select:none;user-select:none;border:2px solid transparent;transition:border-color .15s,opacity .15s}.att-month-card.att-checked{border-color:#ffd0a8;background:#fffaf3}.att-month-card.att-locked{opacity:.65}.att-month-card.att-is-loading{opacity:.8}.att-month-card .att-card-top{display:flex;align-items:flex-start;gap:10px}.att-month-card .att-stamp{font-size:24px;line-height:1.3;flex-shrink:0}.att-month-card .att-session-info{flex:1;min-width:0}.att-month-card .att-session-title{font-size:14.5px;font-weight:800;color:var(--att-ink);line-height:1.4;word-break:keep-all;overflow-wrap:break-word}.att-month-card .att-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.att-month-card .att-month-status{font-size:12px;color:var(--att-gray)}.att-checkin-btn{flex-shrink:0;white-space:nowrap;border:none;border-radius:14px;padding:10px 16px;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--att-purple),var(--att-pink-dark));box-shadow:0 6px 14px rgba(255,79,134,.28);cursor:pointer;transition:transform .12s ease}.att-checkin-btn:active{transform:scale(.92)}.att-checkin-btn:disabled{opacity:.6}.att-checkin-btn.att-done{background:#fff;color:var(--att-pink-dark);border:2px solid #ffd0a8;box-shadow:none}.att-dots{display:flex;justify-content:center;gap:5px;margin-bottom:20px;flex-wrap:wrap;max-width:100%}.att-dots span{width:6px;height:6px;border-radius:50%;background:#eadbff}.att-dots span.att-active{background:var(--att-purple)}.att-dots span.att-done{background:var(--att-gold)}.att-confetti-layer{position:fixed;left:0;top:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:9999}.att-confetti-piece{position:fixed;border-radius:2px;opacity:1;animation:att-confetti-burst .9s cubic-bezier(.2,.8,.3,1) forwards}@keyframes att-confetti-burst{0%{transform:translate(0) rotate(0deg);opacity:1}65%{opacity:1}to{transform:translate(var(--att-dx),calc(var(--att-dy) + 170px)) rotate(var(--att-rot));opacity:0}}.att-toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:var(--att-ink);color:#fff;padding:10px 18px;border-radius:30px;font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60;white-space:nowrap}.att-toast.att-show{opacity:1;transform:translateX(-50%) translateY(-4px)}.att-no-session{background:#fff;border-radius:18px;padding:26px 18px;text-align:center;color:var(--att-gray);font-size:13.5px;line-height:1.7}.att-fab,.att-no-session{box-shadow:var(--att-shadow)}.att-fab{position:fixed;right:calc(50% - 240px + 16px);bottom:18px;width:44px;height:44px;border-radius:50%;background:var(--att-card);border:none;font-size:18px;cursor:pointer;z-index:40}@media (max-width:512px){.att-fab{right:16px}}.att-overlay{position:fixed;inset:0;background:rgba(58,46,77,.45);display:flex;align-items:flex-end;justify-content:center;z-index:80;opacity:0;pointer-events:none;transition:opacity .2s}.att-overlay.att-show{opacity:1;pointer-events:auto}.att-sheet{width:100%;max-width:480px;background:var(--att-cream);border-radius:24px 24px 0 0;padding:20px 20px 28px;max-height:82vh;overflow-y:auto;transform:translateY(20px);transition:transform .2s}.att-overlay.att-show .att-sheet{transform:translateY(0)}.att-sheet h3{margin:0 0 14px;font-size:17px;font-weight:800}.att-sheet label{font-size:12.5px;color:var(--att-gray);font-weight:700;display:block;margin:12px 0 5px}.att-sheet input{width:100%;padding:12px 14px;border-radius:12px;border:2px solid #f0e4f9;font-size:14px;outline:none;background:#fff}.att-sheet input:focus{border-color:var(--att-purple)}.att-btn{display:block;width:100%;padding:13px;border-radius:14px;border:none;font-weight:800;font-size:14px;cursor:pointer;margin-top:14px}.att-btn-primary{background:var(--att-pink);color:#fff}.att-btn-secondary{background:#eee3ff;color:var(--att-purple)}.att-btn-ghost{background:none;color:var(--att-gray);font-weight:600}.att-btn:disabled{opacity:.65;cursor:not-allowed}.att-btn-spinner{display:inline-block;width:12px;height:12px;border-radius:50%;border:2px solid;border-top:2px solid transparent;opacity:.85;animation:att-spin .7s linear infinite;vertical-align:-2px;margin-right:6px}.att-close-x{position:absolute;top:14px;right:16px;background:none;border:none;font-size:18px;color:var(--att-gray);cursor:pointer}.att-admin-section{background:#fff;border-radius:16px;padding:14px 16px;margin-top:14px}.att-admin-member-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #f4eefc;font-size:13.5px}.att-admin-member-row:last-child{border-bottom:none}.att-admin-member-row button{background:#fff0f0;color:#d9534f;border:none;padding:5px 10px;border-radius:10px;font-size:11.5px;font-weight:700;cursor:pointer}.att-hint{font-size:11.5px;color:var(--att-gray);margin-top:6px;line-height:1.5}.att-divider{height:1px;background:#f0e4f9;margin:18px 0}.att-session-add-row{display:flex;gap:8px;margin-top:12px}.att-session-add-row input{flex:1;min-width:0}.att-session-add-row input.att-month-input{flex:0 0 92px}.att-session-list{margin-top:16px}.att-session-month-group{margin-bottom:10px}.att-session-month-group:last-child{margin-bottom:0}.att-session-month-title-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 6px 2px}.att-session-month-title{font-size:12px;font-weight:800;color:var(--att-gray)}.att-mini-btn.att-month-close{background:#fff2d6;color:#a8760a}.att-admin-session-row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid #f4eefc;font-size:13.5px}.att-admin-session-row:last-child{border-bottom:none}.att-session-row-label{display:flex;align-items:center;gap:6px;flex:1;min-width:0;overflow-wrap:anywhere}.att-badge-status{font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;white-space:nowrap}.att-badge-status.att-open{background:#e9f7ec;color:#2f9e52}.att-badge-status.att-closed{background:#f1eef7;color:#8b7fa3}.att-badge-status.att-session-closed{background:#ffe9e0;color:#c9502f}.att-row-actions{display:flex;gap:6px;flex-shrink:0;flex-wrap:wrap;justify-content:flex-end}.att-mini-btn{background:#eee3ff;color:var(--att-purple);border:none;padding:6px 10px;border-radius:10px;font-size:11.5px;font-weight:700;cursor:pointer;white-space:nowrap}.att-mini-btn.att-danger{background:#fff0f0;color:#d9534f}.att-mini-btn.att-session-close{background:#ffe3d6;color:#c9622f}.att-mini-btn:disabled{opacity:.6;cursor:not-allowed}.att-admin-session-row.att-editing{flex-direction:column;align-items:stretch;gap:8px}.att-admin-session-row.att-editing input{margin-bottom:0}