:root{--bg:#f8fafc;--surface:#fff;--ink:#1e293b;--ink-soft:#475569;--line:#e2e8f0;--brand:#f97316;--brand-dark:#1e293b;--accent-bg:#e2e8f0;--urgent:#c2452f;--urgent-bg:#fbe6e1;--soon:#b8842a;--soon-bg:#faefd7;--ok:#3d8361;--ok-bg:#e5f2ea;--radius:14px}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans TC,PingFang TC,-apple-system,BlinkMacSystemFont,sans-serif}input,select,textarea,button{font-family:inherit;font-size:1rem}.auth-screen{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border-radius:var(--radius);width:100%;max-width:380px;padding:32px 28px;box-shadow:0 1px 3px #1e293b0f}.auth-card h1{color:var(--brand-dark);margin:0 0 8px;font-size:1.4rem}.auth-subtitle{color:var(--ink-soft);margin:0 0 24px;font-size:.92rem;line-height:1.5}.auth-form{flex-direction:column;gap:6px;display:flex}.auth-form label{color:var(--ink-soft);margin-top:8px;font-size:.85rem}.auth-form input,.item-form input,.item-form select,.item-form textarea{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:10px;padding:10px 12px}.auth-form button,.item-form button{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:10px;margin-top:18px;padding:12px;font-weight:600}.auth-form button:disabled{opacity:.6;cursor:default}.tab-switch{gap:8px;margin-bottom:20px;display:flex}.tab-switch button{border:1px solid var(--line);background:var(--bg);color:var(--ink-soft);cursor:pointer;border-radius:10px;flex:1;padding:8px}.tab-switch button.active{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}.notice{border-radius:10px;margin-top:12px;padding:10px 12px;font-size:.88rem}.notice-ok{background:var(--ok-bg);color:var(--ok)}.notice-error{background:var(--urgent-bg);color:var(--urgent)}.notice-info{background:var(--soon-bg);color:var(--soon)}.page{max-width:480px;padding:20px 16px calc(96px + env(safe-area-inset-bottom,0px));margin:0 auto}.page-loading{text-align:center;color:var(--ink-soft);padding:48px}.page-header{justify-content:space-between;align-items:flex-start;margin-bottom:16px;display:flex}.page-header h1{color:var(--brand-dark);margin:0;font-size:1.3rem}.page-header .link-btn{margin-bottom:4px;display:inline-block}.link-btn{color:var(--brand-dark);cursor:pointer;background:0 0;border:none;padding:4px;font-size:.88rem}.link-btn-danger{color:var(--urgent)}.modal-overlay{z-index:100;background:#1e293b73;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-dialog{background:var(--surface);border-radius:var(--radius);width:100%;max-width:400px;max-height:calc(100vh - 40px);overflow-y:auto;box-shadow:0 8px 24px #1e293b2e}.modal-header{border-bottom:1px solid var(--line);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:18px 20px 14px;display:flex;position:sticky;top:0}.modal-header h2{color:var(--brand-dark);margin:0;font-size:1.05rem}.modal-close{background:var(--bg);width:28px;height:28px;color:var(--ink-soft);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.9rem;display:flex}.modal-body{padding:18px 20px 20px}.settings-invite-card{background:var(--surface);border-radius:var(--radius);margin:16px 0 0;padding:16px 18px;box-shadow:0 1px 2px #1e293b0d}.settings-invite-label{color:var(--ink-soft);margin:0 0 8px;font-size:.8rem;font-weight:600}.settings-invite-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.settings-invite-code{letter-spacing:.05em;background:var(--bg);color:var(--brand-dark);border-radius:8px;padding:6px 14px;font-size:1.3rem;font-weight:700}.settings-list{background:var(--surface);border-radius:var(--radius);margin:16px 0 0;padding:0;list-style:none;overflow:hidden;box-shadow:0 1px 2px #1e293b0d}.settings-list li{border-top:1px solid var(--line)}.settings-list li:first-child{border-top:none}.settings-list button{text-align:left;width:100%;color:var(--ink);cursor:pointer;background:0 0;border:none;padding:16px 18px;font-size:.95rem;display:block}.settings-danger{color:var(--urgent)!important}.password-form{flex-direction:column;gap:8px;display:flex}.password-form-hint{color:var(--ink-soft);margin:0;font-size:.82rem}.members-list{margin:0;padding:0;list-style:none}.members-list li{border-top:1px solid var(--line);align-items:center;gap:12px;padding:12px 0;display:flex}.members-list li:first-child{border-top:none}.member-avatar{background:var(--accent-bg);width:36px;height:36px;color:var(--brand-dark);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.member-info{flex-direction:column;flex:1;min-width:0;display:flex}.member-email{text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;overflow:hidden}.member-you-tag{color:var(--brand-dark);vertical-align:middle;margin-left:6px;font-size:.72rem;font-weight:600;display:inline-block}.member-owner-tag{color:var(--soon);background:var(--soon-bg);vertical-align:middle;border-radius:999px;margin-left:6px;padding:1px 8px;font-size:.72rem;font-weight:600;display:inline-block}.members-joined{color:var(--ink-soft);white-space:nowrap;font-size:.78rem}.auth-forgot-link{align-self:flex-end;margin-top:6px;font-size:.82rem}.auth-alt-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:16px;display:flex}.auth-alt-actions button{padding:4px 2px;position:relative}.auth-alt-actions button:not(:last-child):after{content:"";background:var(--line);width:1px;height:12px;position:absolute;top:50%;right:-6px;transform:translateY(-50%)}.filter-row{gap:8px;margin-bottom:16px;padding-bottom:4px;display:flex;overflow-x:auto}.chip{border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);cursor:pointer;border-radius:999px;flex-shrink:0;padding:6px 14px;font-size:.85rem}.chip-active{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}.item-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.item-card{background:var(--surface);border-radius:var(--radius);align-items:center;gap:12px;padding:12px;display:flex;box-shadow:0 1px 2px #1e293b0d}.item-thumb{object-fit:cover;border-radius:10px;flex-shrink:0;width:52px;height:52px}.item-thumb-placeholder{background:var(--accent-bg);color:var(--brand-dark);justify-content:center;align-items:center;font-weight:700;display:flex}.item-info{flex:1;min-width:0}.item-name{margin:0;font-weight:600}.item-personal-tag{color:var(--brand-dark);background:var(--accent-bg);vertical-align:middle;border-radius:999px;margin-left:6px;padding:1px 8px;font-size:.7rem;font-weight:600;display:inline-block}.item-meta{color:var(--ink-soft);margin:2px 0 0;font-size:.82rem}.item-side{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.item-actions{gap:8px;display:flex}.badge{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:.78rem;font-weight:600}.badge-expired{background:var(--urgent);color:#fff}.badge-urgent{background:var(--urgent-bg);color:var(--urgent)}.badge-soon{background:var(--soon-bg);color:var(--soon)}.badge-ok{background:var(--ok-bg);color:var(--ok)}.badge-unknown{background:var(--line);color:var(--ink-soft)}.empty-state{text-align:center;color:var(--ink-soft);padding:64px 16px}.empty-state-sub{font-size:.85rem}.fab{right:20px;bottom:calc(76px + env(safe-area-inset-bottom,0px));background:var(--brand);color:#fff;z-index:60;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:1.8rem;text-decoration:none;display:flex;position:fixed;box-shadow:0 4px 12px #f9731659}.bottom-nav{background:var(--surface);border-top:1px solid var(--line);max-width:480px;padding-bottom:env(safe-area-inset-bottom,0px);z-index:50;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav-item{color:var(--ink-soft);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:8px 0 6px;font-size:.7rem;text-decoration:none;display:flex}.bottom-nav-icon svg{width:22px;height:22px}.bottom-nav-item.active{color:var(--brand-dark);font-weight:600}.stat-tile-row{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px;display:grid}.stat-tile{background:var(--surface);border-radius:var(--radius);text-align:center;padding:14px 10px;box-shadow:0 1px 2px #1e293b0d}.stat-tile-value{color:var(--brand-dark);margin:0;font-size:1.6rem;font-weight:700}.stat-tile-label{color:var(--ink-soft);margin:2px 0 0;font-size:.76rem}.chart-card{background:var(--surface);border-radius:var(--radius);margin-bottom:16px;padding:16px 12px 8px;box-shadow:0 1px 2px #1e293b0d}.chart-card-title{color:var(--ink);margin:0 0 8px 8px;font-size:.9rem;font-weight:600}.chart-tooltip{background:var(--ink);color:#fff;border-radius:8px;padding:6px 10px;font-size:.78rem}.upcoming-list{margin:0;padding:0;list-style:none}.upcoming-list li{border-top:1px solid var(--line);cursor:pointer;justify-content:space-between;align-items:center;gap:10px;padding:10px 8px;display:flex}.upcoming-list li:first-child{border-top:none}.upcoming-name{text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;overflow:hidden}.resource-section{margin-bottom:20px}.resource-section-title{color:var(--ink-soft);margin:0 0 8px 4px;font-size:.85rem;font-weight:600}.resource-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.resource-card{background:var(--surface);border-radius:var(--radius);padding:14px 16px;box-shadow:0 1px 2px #1e293b0d}.resource-title{margin:0;font-weight:600}.resource-desc{color:var(--ink-soft);margin:4px 0 0;font-size:.85rem;line-height:1.5}.resource-link{color:var(--brand-dark);margin-top:8px;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-block}.photo-capture{background:var(--surface);border-radius:var(--radius);text-align:center;margin-bottom:20px;padding:16px}.photo-preview{object-fit:cover;border-radius:10px;width:100%;max-width:280px;height:200px;margin:0 auto 12px;display:block}.photo-preview-empty{background:var(--bg);border:1px dashed var(--line);color:var(--ink-soft);justify-content:center;align-items:center;display:flex}.photo-capture button{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:10px 20px;font-weight:600}.item-form{background:var(--surface);border-radius:var(--radius);flex-direction:column;gap:4px;padding:20px;display:flex}.item-form label{color:var(--ink-soft);margin-top:10px;font-size:.85rem}.item-form .tab-switch{margin-top:4px;margin-bottom:0}.field-hint{color:var(--ink-soft);margin:6px 0 0;font-size:.8rem}.form-actions{gap:10px;margin-top:20px;display:flex}.form-actions button{flex:1;margin-top:0}.btn-secondary{background:var(--surface)!important;color:var(--brand)!important;border:1.5px solid var(--brand)!important}