:root{--pink: #ff7a9c;--pink-soft: #ffd6e0;--pink-bg: #fff5f7;--warm: #ffb088;--text: #4a3a44;--text-light: #8a7a82;--border: #f0dde2;--green: #6ec98a;--shadow: 0 4px 20px rgba(255, 122, 156, .12)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif;background:linear-gradient(160deg,#fff5f7,#fff0e8);color:var(--text);min-height:100vh}.app{min-height:100vh}.container{max-width:560px;margin:0 auto;padding:24px 16px 60px}.loading{text-align:center;padding:60px;color:var(--text-light)}.topbar{background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar-top{display:flex;align-items:center;justify-content:space-between;padding:10px 16px}.topbar .logo{font-weight:700;font-size:17px;color:var(--pink);text-decoration:none}.topbar .user-box{display:flex;align-items:center;gap:8px}.topbar .user-box .btn-ghost{font-size:13px;padding:6px 12px}.topbar .nickname{font-size:14px;color:var(--text);text-decoration:none;padding:6px 10px;border-radius:8px}.topbar .nickname.active{color:var(--pink);font-weight:600;background:var(--pink-bg)}.topbar .nav{display:flex;padding:0 8px;border-top:1px solid var(--border);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.topbar .nav::-webkit-scrollbar{display:none}.topbar .nav a{flex:1 1 0;min-width:56px;text-align:center;color:var(--text-light);text-decoration:none;font-size:14px;padding:10px 4px;white-space:nowrap;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.topbar .nav a.active{color:var(--pink);font-weight:600;border-bottom-color:var(--pink)}.topbar .nav a:active{background:var(--pink-bg)}button{cursor:pointer;border:none;border-radius:12px;font-family:inherit;font-size:15px;padding:10px 18px;transition:all .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--pink),var(--warm));color:#fff;font-weight:600;box-shadow:var(--shadow);width:100%;padding:12px}.btn-primary:hover:not(:disabled){transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-light);padding:6px 12px}.btn-ghost:hover{background:var(--pink-bg)}.btn-accept{background:linear-gradient(135deg,#ff7a9c,#ffb088);color:#fff;font-weight:600;flex:1}.btn-reject{background:#f0e4e8;color:var(--text-light);flex:1}.auth-card{background:#fff;border-radius:24px;padding:36px 28px;margin-top:40px;box-shadow:var(--shadow);text-align:center}.auth-card h1{color:var(--pink);margin-bottom:8px}.subtitle{color:var(--text-light);margin-bottom:24px;font-size:14px}.auth-card form{display:flex;flex-direction:column;gap:12px;margin-top:20px}.auth-card input{padding:14px 16px;border:1.5px solid var(--border);border-radius:12px;font-size:15px;font-family:inherit;outline:none;transition:border .15s}.auth-card input:focus{border-color:var(--pink)}.switch{margin-top:20px;font-size:14px;color:var(--text-light)}.switch a{color:var(--pink);text-decoration:none}.card{background:#fff;border-radius:20px;padding:28px 24px;box-shadow:var(--shadow);text-align:center}.card.center{margin-top:30px}.card h2,.card h3{color:var(--text);margin-bottom:12px}.card .hint{color:var(--text-light);font-size:13px;margin-bottom:16px}.card form,.card>input,.card>button{margin-top:12px}.error{background:#ffeef0;color:#d6485e;padding:10px 14px;border-radius:10px;font-size:13px;margin:8px 0}.pairing h1{color:var(--pink);text-align:center;margin-bottom:6px}.pairing .subtitle{text-align:center}.pairing .card{margin-top:20px;text-align:left}.pairing .card h3{font-size:16px}.code-box{display:flex;align-items:center;justify-content:space-between;background:var(--pink-bg);border-radius:14px;padding:16px 18px;margin-top:12px}.code-box .code{font-size:32px;font-weight:800;letter-spacing:6px;color:var(--pink);font-family:SF Mono,monospace}.code-input{width:100%;text-align:center;font-size:24px;letter-spacing:6px;font-weight:700;padding:14px;border:2px dashed var(--pink);border-radius:14px;color:var(--pink);font-family:SF Mono,monospace;margin-top:12px;outline:none;background:var(--pink-bg)}.paired-heart{font-size:56px}.tabs{display:flex;gap:8px;background:#fff;padding:6px;border-radius:14px;margin-bottom:18px;box-shadow:var(--shadow)}.tabs button{flex:1;background:transparent;color:var(--text-light);padding:10px;font-size:14px}.tabs button.active{background:linear-gradient(135deg,var(--pink),var(--warm));color:#fff;font-weight:600}.inv-list{display:flex;flex-direction:column;gap:14px}.inv-card{background:#fff;border-radius:18px;padding:18px;box-shadow:var(--shadow);border-left:4px solid var(--pink)}.inv-card.status-accepted{border-left-color:var(--green)}.inv-card.status-rejected{border-left-color:#c0a0a8;opacity:.75}.inv-card.status-cancelled{border-left-color:#c0a0a8;opacity:.65}.inv-head{display:flex;align-items:center;gap:12px}.inv-emoji{font-size:28px}.inv-title-wrap{flex:1}.inv-title{font-weight:600;font-size:16px}.inv-meta{font-size:12px;color:var(--text-light);margin-top:2px}.status-badge{font-size:11px;padding:4px 10px;border-radius:20px;font-weight:600}.status-badge.pending{background:#fff0d6;color:#d68a30}.status-badge.accepted{background:#e0f5e6;color:#3d9c5a}.status-badge.rejected{background:#f0e4e8;color:#9a7080}.status-badge.cancelled{background:#eee;color:#999}.inv-body{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);font-size:14px;color:var(--text);display:flex;flex-direction:column;gap:6px}.inv-note{color:var(--text-light);font-style:italic}.inv-actions{display:flex;gap:10px;margin-top:14px}.empty{text-align:center;padding:50px 20px;color:var(--text-light)}.empty-emoji{font-size:48px;margin-bottom:12px}.empty .btn-primary{display:inline-block;width:auto;margin-top:16px;padding:10px 24px;text-decoration:none}.new-inv h1{color:var(--pink);text-align:center;margin-bottom:24px}.form{background:#fff;border-radius:20px;padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px}.form label{font-size:13px;color:var(--text-light);margin-top:12px;margin-bottom:4px}.form label:first-child{margin-top:0}.form input,.form textarea{padding:12px 14px;border:1.5px solid var(--border);border-radius:12px;font-size:15px;font-family:inherit;outline:none;resize:vertical}.form input:focus,.form textarea:focus{border-color:var(--pink)}.type-picker{display:flex;flex-wrap:wrap;gap:8px}.type-chip{background:var(--pink-bg);color:var(--text);padding:8px 14px;border-radius:20px;font-size:14px}.type-chip.active{background:linear-gradient(135deg,var(--pink),var(--warm));color:#fff;font-weight:600}.form .btn-primary{margin-top:20px}.remember-box{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-light);margin-top:4px;cursor:pointer;-webkit-user-select:none;user-select:none}.remember-box input{width:16px;height:16px;accent-color:var(--pink);cursor:pointer}.topbar .nickname{font-size:14px;color:var(--text);text-decoration:none}.topbar .nickname.active{color:var(--pink);font-weight:600}.link-btn{background:none;border:none;color:var(--pink);font-size:13px;padding:0 0 0 8px;text-decoration:underline}.profile{text-align:center;padding:8px 0 20px}.profile .avatar{width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,var(--pink-soft),var(--pink-bg));display:flex;align-items:center;justify-content:center;font-size:40px;margin:0 auto 12px;box-shadow:var(--shadow)}.profile-name{font-size:22px;font-weight:700;color:var(--text);margin-bottom:20px}.info-card{background:#fff;border-radius:16px;padding:6px 18px;box-shadow:var(--shadow);text-align:left;margin-bottom:24px}.info-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.info-row:last-child{border-bottom:none}.info-label{color:var(--text-light);font-size:14px}.info-value{color:var(--text);font-size:15px;font-weight:500}.section-title{font-size:16px;color:var(--text);text-align:left;margin:0 0 12px}.success{background:#e8f7ed;color:var(--green);padding:10px 14px;border-radius:10px;font-size:14px;margin-top:12px}.logout-btn{width:100%;margin-top:24px;color:var(--text-light)}.anni-form label{display:block}.anni-form .btn-primary{margin-top:14px}.banner{background:linear-gradient(135deg,var(--pink),var(--warm));color:#fff;border-radius:18px;padding:16px 18px;margin-bottom:18px;box-shadow:var(--shadow);text-align:center;font-size:15px;line-height:1.9}.banner b{font-size:20px;margin:0 2px}.banner-row{font-weight:500}.banner-soft{font-size:13px;opacity:.92}.banner-set{background:#ffffff40;color:#fff;border:none;padding:8px 16px;border-radius:20px;font-size:14px;cursor:pointer}.red-dot{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;margin-left:6px;background:#ff4d6d;color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:0 5px}.btn-complete{background:linear-gradient(135deg,var(--green),#5db478);color:#fff;font-weight:600}.wishlist h1{color:var(--pink);text-align:center;margin-bottom:6px}.wishlist .subtitle{text-align:center;color:var(--text-light);font-size:13px;margin-bottom:20px}.wish-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}.wish-card{background:#fff;border-radius:16px;padding:16px;box-shadow:var(--shadow)}.wish-card.done{opacity:.6}.wish-card.done .wish-title{text-decoration:line-through}.wish-head{display:flex;gap:12px;align-items:flex-start}.wish-title-wrap{flex:1}.wish-title{font-weight:600;font-size:16px}.wish-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.btn-use{background:linear-gradient(135deg,var(--pink),var(--warm));color:#fff;font-weight:600;font-size:14px;padding:8px 14px}.btn-del{background:none;color:#c08a98;font-size:14px;padding:8px 12px}.sticker-picker{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.sticker{background:var(--pink-bg);color:var(--text);border:none;padding:6px 12px;border-radius:16px;font-size:14px;cursor:pointer}.sticker:hover{background:var(--pink-soft)}.quote-bar{background:linear-gradient(90deg,#fff0f4,#fff7ee);border-left:3px solid var(--pink);border-radius:10px;padding:10px 14px;margin-bottom:12px;font-size:14px;color:var(--text);line-height:1.5}.banner-link{background:none;border:none;color:#fff;text-decoration:underline;font-size:13px;padding:0 0 0 6px;cursor:pointer}.complete-row{align-items:center;flex-wrap:wrap;gap:6px}.complete-label{font-size:13px;color:var(--text-light);margin-right:2px}.mood-chip{background:var(--pink-bg);border:1.5px solid transparent;width:34px;height:34px;border-radius:50%;font-size:17px;cursor:pointer}.mood-chip.active{border-color:var(--pink);background:var(--pink-soft)}.chat-page{display:flex;flex-direction:column;height:calc(100vh - 180px);min-height:400px}.chat-head{text-align:center;font-weight:600;color:var(--pink);padding-bottom:10px}.chat-body{flex:1;overflow-y:auto;padding:8px 4px;display:flex;flex-direction:column;gap:12px}.chat-empty{text-align:center;color:var(--text-light);padding:40px 0;font-size:14px}.msg-row{display:flex;flex-direction:column;max-width:78%}.msg-row.mine{align-self:flex-end;align-items:flex-end}.msg-row.theirs{align-self:flex-start;align-items:flex-start}.msg-nick{font-size:11px;color:var(--text-light);margin-bottom:3px;padding:0 4px}.msg-bubble{padding:9px 13px;border-radius:16px;font-size:14px;line-height:1.4;word-break:break-word;max-width:100%}.msg-row.mine .msg-bubble{background:linear-gradient(135deg,var(--pink),var(--warm));color:#fff;border-bottom-right-radius:4px}.msg-row.theirs .msg-bubble{background:#fff;color:var(--text);border-bottom-left-radius:4px;box-shadow:var(--shadow)}.msg-time{font-size:10px;color:var(--text-light);margin-top:3px;padding:0 4px}.chat-input-bar{display:flex;gap:8px;padding:10px 0 0;border-top:1px solid var(--border)}.chat-input-bar input{flex:1;padding:11px 14px;border:1.5px solid var(--border);border-radius:22px;font-size:14px;outline:none}.chat-input-bar input:focus{border-color:var(--pink)}.chat-send{border-radius:22px;padding:10px 20px}.chat-err{text-align:center;margin-top:6px}.timeline-page{padding:4px 0 20px}.tl-title{color:var(--pink);text-align:center;margin-bottom:4px}.timeline-page .subtitle{text-align:center;color:var(--text-light);font-size:13px;margin-bottom:24px}.tl-list{position:relative;padding-left:8px}.tl-list:before{content:"";position:absolute;left:22px;top:6px;bottom:6px;width:2px;background:var(--pink-soft)}.tl-item{display:flex;gap:14px;margin-bottom:18px;position:relative}.tl-dot{width:36px;height:36px;border-radius:50%;flex-shrink:0;background:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--shadow);z-index:1;position:relative}.tl-card{flex:1;background:#fff;border-radius:14px;padding:14px 16px;box-shadow:var(--shadow)}.tl-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.tl-no{font-size:12px;color:var(--pink);font-weight:600}.tl-date{font-size:11px;color:var(--text-light)}.tl-event{font-weight:600;font-size:16px;margin-bottom:4px}.tl-meta{font-size:12px;color:var(--text-light)}.tl-time{font-size:12px;color:var(--text-light);margin-top:2px}.tl-diary{margin-top:10px;padding-top:10px;border-top:1px dashed var(--border)}.diary-text{font-size:14px;color:var(--text);line-height:1.5;font-style:italic}.diary-add{display:block}.diary-edit textarea{width:100%;padding:10px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;outline:none;resize:vertical}.diary-edit textarea:focus{border-color:var(--pink)}.diary-actions{display:flex;gap:8px;margin-top:8px}.diary-actions .btn-primary{width:auto;padding:7px 16px}