:root{--bg: #f7f8fc;--paper: #ffffffcc;--ink: #2f3441;--muted: #6e7686;--line: #e7e9f2;--accent: #7e8ac8;--shadow: 0 10px 30px rgba(33, 43, 65, .08);--radius-xl: 24px;--radius-lg: 18px;--radius-md: 14px;--cream: #fff4cb;--pink: #ffe4ed;--blue: #deecff;--mint: #ddf7ee;--lavender: #ece4ff}*{box-sizing:border-box}body{margin:0;font-family:Noto Sans SC,PingFang SC,Hiragino Sans GB,sans-serif;color:var(--ink);background:radial-gradient(circle at 15% 10%,#fff7df 0%,transparent 24%),radial-gradient(circle at 85% 90%,#e7f0ff 0%,transparent 26%),var(--bg)}.app-shell{min-height:100vh;position:relative;overflow-x:hidden}.ambient{position:fixed;width:260px;height:260px;border-radius:50%;filter:blur(45px);z-index:0;opacity:.5;pointer-events:none}.ambient.one{left:-80px;top:80px;background:#ffefbc}.ambient.two{right:-70px;bottom:10%;background:#dce8ff}.container{position:relative;z-index:1;max-width:1220px;margin:0 auto;padding:22px 20px 100px}.sidebar-toggle{position:fixed;top:18px;left:18px;z-index:32;width:42px;height:42px;border:1px solid #fff;border-radius:12px;color:#4e5673;background:#ffffffd8;box-shadow:0 12px 24px #1c26401f;cursor:pointer;display:grid;place-items:center}.sidebar{position:fixed;inset:14px auto 14px 14px;width:min(320px,calc(100vw - 32px));padding:18px;border-radius:24px;border:1px solid #fff;background:#ffffffdf;box-shadow:0 26px 50px #222d4a33;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transform:translate(-112%);opacity:0;transition:transform .28s ease,opacity .24s ease;z-index:31;display:grid;grid-template-rows:auto auto 1fr;gap:12px}.sidebar.open{transform:translate(0);opacity:1}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;background:#30395026}.brand-wrap h1{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:.01em}.brand-wrap p{margin:4px 0 0;color:var(--muted);font-size:.9rem}.auth-panel{border:1px solid #edf0f8;background:#fbfcff;border-radius:14px;padding:10px;display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.user-chip{display:flex;align-items:center;gap:10px}.avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid #e4e8f7;box-shadow:0 2px 8px #2532531a}.avatar-fallback{display:grid;place-items:center;background:linear-gradient(140deg,#8a99d1,#9ca9d8);color:#fff;font-size:.9rem;font-weight:600}.auth-text{display:grid;gap:2px}.auth-text strong{font-size:.82rem;color:#475072}.auth-text span{font-size:.74rem;color:#7a819a;word-break:break-all}.auth-btn{border:0;border-radius:10px;padding:8px 10px;background:#7f90cb;color:#fff;font-size:.78rem;cursor:pointer}.auth-btn.google{background:#fff;color:#414a66;border:1px solid #e2e6f4;display:inline-flex;align-items:center;gap:6px}.auth-btn.google:hover{background:#f8faff}.auth-btn.logout{background:#9aa4c9}.search-wrap{min-width:220px}.search-input{width:100%;border:1px solid var(--line);border-radius:999px;background:#fff;padding:12px 16px;font-size:.95rem;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.search-input:focus{border-color:#b8c2e8;box-shadow:0 0 0 4px #dfe6ff}.filters-wrap{display:grid;gap:10px;align-content:start;overflow:auto;padding-right:3px}.section-title{margin-top:2px;font-size:.78rem;color:#707895}.pill-row,.tag-filter-row{display:flex;gap:8px;flex-wrap:wrap}.pill,.tag-pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;color:#596074;font-size:.82rem;cursor:pointer;transition:transform .15s ease,background-color .2s ease}.pill:hover,.tag-pill:hover{transform:translateY(-1px)}.pill.active,.tag-pill.active{border-color:#cbd3f2;background:#eef2ff;color:#485182}.board-grid{margin-top:8px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.snippet-card{border-radius:var(--radius-lg);border:1px solid #fff;box-shadow:0 4px 14px #2f344114;padding:14px;display:grid;gap:10px;cursor:pointer;transition:transform .18s ease,box-shadow .2s ease;min-height:230px}.snippet-card:hover{transform:translateY(-3px);box-shadow:0 16px 26px #2f344121}.snippet-card.draggable{-webkit-user-select:none;user-select:none}.tone-cream{background:var(--cream)}.tone-pink{background:var(--pink)}.tone-blue{background:var(--blue)}.tone-mint{background:var(--mint)}.tone-lavender{background:var(--lavender)}.card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.card-head h3{margin:0;font-size:1rem}.category{font-size:.73rem;background:#fff9;border-radius:999px;padding:4px 8px;color:#4b556f}.tag-list{display:flex;flex-wrap:wrap;gap:6px}.tag-list span,.preview-tags span{background:#ffffffad;color:#56607d;border-radius:999px;padding:3px 8px;font-size:.75rem}.card-content{margin:0;white-space:pre-wrap;word-break:break-all;font-family:JetBrains Mono,Cascadia Mono,monospace;font-size:.83rem;color:#334;background:#ffffff90;border-radius:var(--radius-md);padding:10px;flex:1}.card-content.clamp{display:-webkit-box;overflow:hidden;-webkit-line-clamp:4;-webkit-box-orient:vertical}.card-content.expand{max-height:220px;overflow:auto}.card-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:8px}.card-foot>span{color:#5c667f;font-size:.75rem}.card-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.card-actions button{border:0;border-radius:10px;background:#ffffffd8;font-size:.75rem;padding:6px 10px;cursor:pointer}.card-actions .danger{color:#ad2f48}.fab-add{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border:0;border-radius:50%;background:linear-gradient(140deg,#7f90cb,#8aa3de);color:#fff;box-shadow:0 16px 30px #5e73be57;display:grid;place-items:center;cursor:pointer;z-index:35}.fab-add:hover{transform:translateY(-2px)}.empty-state{grid-column:1 / -1;text-align:center;border-radius:var(--radius-lg);border:1px dashed #ccd2e2;color:#687086;background:#fff;padding:26px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#2f344152;display:grid;place-items:center;z-index:20}.modal{width:min(720px,calc(100vw - 24px));background:#fff;border-radius:24px;padding:20px;box-shadow:0 30px 60px #272d4233}.modal h2{margin:0 0 14px}.form-grid{display:grid;grid-template-columns:1fr 180px;gap:12px}.form-grid label{display:grid;gap:8px;font-size:.85rem;color:#596074}.form-grid .full{grid-column:1 / -1}.form-grid input,.form-grid select,.form-grid textarea{border:1px solid var(--line);border-radius:12px;padding:10px 12px;outline:none;font-size:.92rem;font-family:inherit}.sub-title{font-size:.85rem;color:#596074}.color-row{margin-top:8px;display:flex;gap:8px;flex-wrap:wrap}.color-btn{border:1px solid transparent;border-radius:999px;padding:7px 10px;cursor:pointer;font-size:.78rem}.color-btn.active{border-color:#6373b3}.preview-tags{margin-top:10px;min-height:26px;display:flex;gap:6px;flex-wrap:wrap}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.modal-actions button{border:0;border-radius:12px;padding:10px 14px;cursor:pointer}.modal-actions .ghost{background:#eceff8;color:#4c5572}.modal-actions .primary{background:#7f90cb;color:#fff}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%);background:#2f3441;color:#fff;padding:10px 14px;border-radius:999px;font-size:.88rem;box-shadow:0 10px 20px #0000002e;z-index:40;animation:toastUp .2s ease}@keyframes toastUp{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media (max-width: 960px){.board-grid{grid-template-columns:1fr}.sidebar{width:min(300px,calc(100vw - 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