/* ============================================================
   个人网盘 - 清新自然玻璃拟态设计系统 v4
   浅色背景 + 透明玻璃卡片 + 自然渐变
   ============================================================ */

:root{
  --bg:#eef2f7;--bg-2:#e3ecf5;
  --glass:rgba(255,255,255,.55);--glass-strong:rgba(255,255,255,.75);
  --glass-bg:rgba(255,255,255,.5);
  --glass-border:rgba(255,255,255,.6);--glass-border-hover:rgba(120,160,220,.5);
  --glass-highlight:rgba(255,255,255,.9);--border:rgba(255,255,255,.5);
  --text:#1a2540;--text-dim:#5a6a85;--muted:#8a9aaf;
  --primary:#4a7cff;--primary-light:#6b9bff;--primary-2:#7c5cff;
  --accent:#00b8d4;--danger:#ff4d6d;--success:#00c896;--warn:#ff9500;
  --shadow:0 4px 24px rgba(80,110,160,.12);--shadow-lg:0 12px 40px rgba(80,110,160,.18);
  --glow:0 0 20px rgba(74,124,255,.2);
  --radius:20px;--radius-md:14px;--radius-sm:10px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-tap-highlight-color:transparent}
body{
  font-family:"Inter","Segoe UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;
  color:var(--text);background:var(--bg);
  min-height:100vh;min-height:100dvh;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.5;
}

/* ============ 动态背景 ============ */
.bg-aurora{position:fixed;inset:0;z-index:-3;overflow:hidden;pointer-events:none}
.bg-aurora .orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.bg-aurora .o1{width:50vw;height:50vw;background:radial-gradient(circle,#a8c8ff,transparent 65%);top:-15vw;left:-10vw;animation:drift1 22s ease-in-out infinite}
.bg-aurora .o2{width:45vw;height:45vw;background:radial-gradient(circle,#c4b5ff,transparent 65%);bottom:-12vw;right:-8vw;animation:drift2 26s ease-in-out infinite}
.bg-aurora .o3{width:35vw;height:35vw;background:radial-gradient(circle,#a0e8e0,transparent 65%);top:35%;left:45%;animation:drift3 30s ease-in-out infinite;opacity:.35}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(5vw,3vw) scale(1.12)}66%{transform:translate(-2vw,2vw) scale(.95)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-4vw,-3vw) scale(1.15)}}
@keyframes drift3{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-40%,-60%) scale(1.25)}}

/* ============ 玻璃卡片 ============ */
.glass{
  background:var(--glass);backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border:1px solid var(--glass-border);border-radius:var(--radius);
  box-shadow:var(--shadow);position:relative;
}
.glass::before{content:"";position:absolute;top:0;left:20%;right:20%;height:1px;background:linear-gradient(90deg,transparent,var(--glass-highlight),transparent);border-radius:1px;pointer-events:none}
.glass-hover{transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s,border-color .25s,background .25s}
.glass-hover:hover{transform:translateY(-4px);background:var(--glass-strong);border-color:var(--glass-border-hover);box-shadow:var(--shadow-lg)}

/* ============ 通用按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.2rem;border:1px solid transparent;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;color:#fff;cursor:pointer;transition:all .22s cubic-bezier(.34,1.56,.64,1);background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 3px 12px -2px rgba(74,124,255,.45);user-select:none;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px -2px rgba(74,124,255,.6)}
.btn:active{transform:translateY(0) scale(.97)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-danger{background:linear-gradient(135deg,var(--danger),#c0396b);box-shadow:0 3px 12px -2px rgba(255,77,109,.45)}
.btn-sm{padding:.45rem .8rem;font-size:.82rem}

.btn-icon{width:2.4rem;height:2.4rem;padding:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.5);border:1px solid var(--glass-border);box-shadow:none;color:var(--text-dim);cursor:pointer;transition:all .2s;flex-shrink:0}
.btn-icon:hover{background:rgba(255,255,255,.85);border-color:var(--glass-border-hover);color:var(--primary)}
.btn-icon svg{width:1.05rem;height:1.05rem}
.btn-icon:active{transform:scale(.9)}
.btn-icon.danger:hover{color:var(--danger);border-color:rgba(255,77,109,.4);background:rgba(255,77,109,.08)}
.btn-icon.pin-active{color:var(--warn);border-color:rgba(255,149,0,.4);background:rgba(255,149,0,.1)}
.btn-icon:disabled{opacity:.35;cursor:not-allowed}

.btn-primary{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.2rem;border:none;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:.88rem;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .2s;box-shadow:0 4px 12px rgba(74,124,255,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(74,124,255,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-primary svg{width:1rem;height:1rem}
.btn-ghost{padding:.6rem 1.2rem;border:1.5px solid var(--glass-border);border-radius:12px;background:transparent;color:var(--text-dim);font-size:.88rem;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s}
.btn-ghost:hover{background:rgba(255,255,255,.5);border-color:var(--glass-border-hover)}
.select-control{padding:.55rem .8rem;border:1.5px solid var(--glass-border);border-radius:10px;background:rgba(255,255,255,.5);font-size:.85rem;color:var(--text);cursor:pointer;outline:none}

/* ============ 输入框 ============ */
.input{width:100%;padding:.75rem 1rem;border-radius:var(--radius-sm);background:rgba(255,255,255,.5);border:1px solid var(--glass-border);color:var(--text);font-size:.95rem;transition:all .2s;backdrop-filter:blur(12px)}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(74,124,255,.15);background:rgba(255,255,255,.8)}
.input::placeholder{color:var(--muted)}
textarea.input{resize:vertical;font-family:inherit}

.form-input{width:100%;padding:.65rem .9rem;border:1.5px solid var(--glass-border);border-radius:12px;background:rgba(255,255,255,.5);font-size:.9rem;color:var(--text);transition:border-color .2s,background .2s;outline:none;font-family:inherit}
.form-input:focus{border-color:var(--primary);background:rgba(255,255,255,.7)}
.form-input::placeholder{color:var(--muted)}
textarea.form-input{resize:vertical;line-height:1.5}
select.form-input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a9aaf' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center;background-size:1rem;padding-right:2.2rem}

/* ============ 徽标 ============ */
.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.2rem .55rem;border-radius:99px;font-size:.7rem;font-weight:700;letter-spacing:.3px;backdrop-filter:blur(8px)}
.badge-pin{background:rgba(255,149,0,.15);color:var(--warn);border:1px solid rgba(255,149,0,.3)}
.badge-code{background:rgba(0,184,212,.12);color:var(--accent);border:1px solid rgba(0,184,212,.25)}
.badge-md{background:rgba(74,124,255,.12);color:var(--primary);border:1px solid rgba(74,124,255,.25)}
.badge-img{background:rgba(0,200,150,.12);color:var(--success);border:1px solid rgba(0,200,150,.25)}
.badge-html{background:rgba(255,120,80,.12);color:#ff7850;border:1px solid rgba(255,120,80,.25)}
.badge-media{background:rgba(160,100,255,.12);color:#a064ff;border:1px solid rgba(160,100,255,.25)}
.badge-other{background:rgba(138,154,175,.1);color:var(--text-dim);border:1px solid var(--glass-border)}

/* ============ 滚动条 ============ */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(120,140,170,.3);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:rgba(120,140,170,.5)}

/* ============ SVG 图标 ============ */
svg.ic{width:1.1rem;height:1.1rem;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* ============ 顶部导航 ============ */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:.8rem;padding:.7rem 1.2rem;background:rgba(238,242,247,.6);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-bottom:1px solid var(--glass-border)}
.topbar .brand{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:800;letter-spacing:.3px;color:var(--text)}
.topbar .brand svg{width:1.4rem;height:1.4rem;color:var(--primary)}
.topbar .logo{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:800;letter-spacing:.3px;color:var(--text)}
.topbar .logo svg{width:1.4rem;height:1.4rem;color:var(--primary)}
.topbar .spacer{flex:1}
.nav-right{display:flex;align-items:center;gap:.5rem;margin-left:auto}
.user-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .8rem;border-radius:99px;font-size:.85rem;font-weight:600;color:var(--text)}
.user-badge svg{width:1rem;height:1rem;color:var(--primary)}

/* ============ 统计卡片 ============ */
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;max-width:1200px;margin:.8rem auto;padding:0 1rem}
.stat-card{text-align:center;padding:1rem .8rem}
.stat-label{font-size:.76rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.stat-value{font-size:1.5rem;font-weight:800;margin-top:.2rem;color:var(--primary)}

/* ============ 工具栏 ============ */
.toolbar{display:flex;align-items:center;gap:.6rem;max-width:1200px;margin:0 auto .8rem;padding:.7rem 1rem}
.search-box{flex:1;display:flex;align-items:center;gap:.4rem;padding:.5rem .9rem;border-radius:var(--radius-sm);background:rgba(255,255,255,.5);border:1px solid var(--glass-border);transition:border-color .2s}
.search-box:focus-within{border-color:var(--primary)}
.search-box svg{width:1.05rem;height:1.05rem;color:var(--muted);flex-shrink:0}
.search-box input{flex:1;border:none;background:transparent;font-size:.9rem;color:var(--text);outline:none;font-family:inherit}
.search-box input::placeholder{color:var(--muted)}

/* ============ 内容区 ============ */
.content-area{max-width:1200px;margin:0 auto;padding:0 1rem}

/* ============ 文件网格 ============ */
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.8rem}

/* 文件卡片 */
.file-card{padding:1rem .9rem .7rem;display:flex;flex-direction:column;gap:.35rem;cursor:default;overflow:hidden}
.file-card.pinned{border-color:rgba(255,149,0,.3)}
.fc-top{position:relative;display:flex;align-items:center;justify-content:center;margin-bottom:.3rem}
.fc-icon{width:3rem;height:3rem;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(74,124,255,.08)}
.fc-icon svg{width:1.8rem;height:1.8rem}
.fc-icon.ic-primary{background:rgba(74,124,255,.1);color:var(--primary)}
.fc-icon.ic-orange{background:rgba(255,120,80,.1);color:#ff7850}
.fc-icon.ic-green{background:rgba(0,200,150,.1);color:var(--success)}
.fc-icon.ic-purple{background:rgba(160,100,255,.1);color:#a064ff}
.fc-icon.ic-cyan{background:rgba(0,184,212,.1);color:var(--accent)}
.fc-icon.ic-dim{background:rgba(138,154,175,.1);color:var(--text-dim)}
.fc-pin{position:absolute;top:0;right:0;color:var(--warn);display:flex}
.fc-pin svg{width:1rem;height:1rem}
.fc-name{font-size:.88rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fc-badges{display:flex;gap:.3rem;flex-wrap:wrap}
.fc-meta{display:flex;align-items:center;gap:.6rem;font-size:.74rem;color:var(--muted)}
.fc-meta span{display:inline-flex;align-items:center;gap:.2rem}
.fc-meta svg{width:.8rem;height:.8rem}
.fc-time{font-size:.72rem;color:var(--muted);display:flex;align-items:center;gap:.2rem}
.fc-time svg{width:.75rem;height:.75rem}
.fc-desc{font-size:.74rem;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-top:.2rem;border-top:1px solid var(--glass-border)}
.fc-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.3rem;margin-top:.3rem;padding-top:.4rem;border-top:1px solid var(--glass-border)}

/* 空状态 */
.empty{grid-column:1/-1;text-align:center;padding:3rem 1rem;border-radius:var(--radius)}
.empty-ico{display:flex;justify-content:center;margin-bottom:.8rem;color:var(--muted)}
.empty-ico svg{width:3rem;height:3rem}
.empty-title{font-size:1rem;font-weight:600;color:var(--text-dim);margin-bottom:.3rem}
.empty-sub{font-size:.82rem;color:var(--muted)}

/* 拖拽遮罩 */
.drop-mask{position:fixed;inset:0;z-index:9000;display:none;align-items:center;justify-content:center;background:rgba(74,124,255,.15);backdrop-filter:blur(6px)}
.drop-mask.show{display:flex}
.drop-inner{padding:2rem 3rem;border-radius:var(--radius);text-align:center;color:var(--primary);font-size:1.1rem;font-weight:600}
.drop-inner svg{width:3rem;height:3rem;margin-bottom:.5rem}

/* ============ 分组标题 ============ */
.section-header{grid-column:1/-1;display:flex;align-items:center;gap:.5rem;padding:.5rem .2rem;margin-top:.5rem;font-size:.82rem;font-weight:700;color:var(--text-dim);letter-spacing:.02em}
.section-header svg{width:.95rem;height:.95rem;color:var(--primary)}
.section-header .section-count{background:rgba(74,124,255,.1);color:var(--primary);padding:.1rem .5rem;border-radius:8px;font-size:.75rem;font-weight:600}
.section-header:first-child{margin-top:0}

/* ============ Toast ============ */
#toast-wrap{position:fixed;top:1rem;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:.5rem;align-items:center;width:90vw;max-width:420px}
.toast{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.2rem;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);border:1px solid var(--glass-border);box-shadow:var(--shadow-lg);color:var(--text);animation:toastIn .35s cubic-bezier(.34,1.56,.64,1);width:100%;justify-content:center;text-align:center}
.toast.ok{border-color:rgba(0,200,150,.5);color:var(--success)}
.toast.err{border-color:rgba(255,77,109,.5);color:var(--danger)}
.toast.info{border-color:rgba(74,124,255,.5);color:var(--primary)}
@keyframes toastIn{from{opacity:0;transform:translateY(-16px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}

/* ============ 动画 ============ */
.fade-in{animation:fadeIn .45s cubic-bezier(.34,1.56,.64,1) both}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.fade-in-stagger > *{animation:fadeIn .4s cubic-bezier(.34,1.56,.64,1) both}
.fade-in-stagger > *:nth-child(1){animation-delay:.04s}
.fade-in-stagger > *:nth-child(2){animation-delay:.08s}
.fade-in-stagger > *:nth-child(3){animation-delay:.12s}
.fade-in-stagger > *:nth-child(4){animation-delay:.16s}
.fade-in-stagger > *:nth-child(5){animation-delay:.2s}
.fade-in-stagger > *:nth-child(6){animation-delay:.24s}
.fade-in-stagger > *:nth-child(7){animation-delay:.28s}
.fade-in-stagger > *:nth-child(8){animation-delay:.32s}

.spinner{width:2rem;height:2rem;border:3px solid rgba(74,124,255,.2);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.grad-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ 模态框 ============ */
.modal-overlay{position:fixed;inset:0;z-index:8000;display:none;align-items:center;justify-content:center;background:rgba(100,120,160,.3);backdrop-filter:blur(8px);padding:1rem}
.modal-overlay.show{display:flex;animation:fadeIn .25s ease}
.modal-overlay.show .modal{animation:fadeIn .3s cubic-bezier(.34,1.56,.64,1) both}
.modal{width:100%;max-width:440px;border-radius:var(--radius);overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:1.2rem 1.4rem .6rem}
.modal-head h3{font-size:1.1rem;color:var(--text);display:flex;align-items:center;gap:.5rem;margin:0}
.modal-head h3 svg{width:1.15rem;height:1.15rem;color:var(--primary)}
.modal-body{padding:.6rem 1.4rem 1rem}
.modal-body label.form-label{display:block;font-size:.82rem;color:var(--text-dim);margin-bottom:.35rem;font-weight:600}
.modal-foot{display:flex;gap:.6rem;justify-content:flex-end;padding:.8rem 1.4rem 1.2rem}

/* ============ 记事本 ============ */
.note-card{padding:1rem 1.1rem;border-radius:14px;border:1.5px solid var(--glass-border);margin-bottom:.6rem;position:relative;background:rgba(255,255,255,.85);box-shadow:0 2px 12px rgba(80,110,160,.1);transition:transform .15s,box-shadow .2s}
.note-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.note-title{font-weight:700;font-size:.95rem;color:var(--text);margin-bottom:.3rem}
.note-content{font-size:.84rem;color:var(--text-dim);line-height:1.5;max-height:5rem;overflow:hidden}
.note-time{font-size:.72rem;color:var(--muted);margin-top:.4rem}
.note-actions{position:absolute;top:.6rem;right:.6rem;display:flex;gap:.2rem;opacity:0;transition:opacity .2s}
.note-card:hover .note-actions{opacity:1}
.btn-sm{width:1.8rem!important;height:1.8rem!important}
.btn-sm svg{width:.8rem!important;height:.8rem!important}
.note-color-picker{display:flex;gap:.5rem;margin-top:.4rem}
.note-color-dot{width:1.8rem;height:1.8rem;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .15s,border-color .2s}
.note-color-dot:hover{transform:scale(1.1)}
.note-color-dot.sel{border-color:var(--primary);box-shadow:0 0 0 2px rgba(74,124,255,.2)}

/* ============ 记账本 ============ */
.acct-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin-bottom:.4rem}
.acct-stat-card{padding:.7rem .8rem;border-radius:12px;text-align:center;border:1.5px solid var(--glass-border);background:rgba(255,255,255,.85);box-shadow:0 2px 12px rgba(80,110,160,.1)}
.acct-stat-label{font-size:.72rem;color:var(--muted);font-weight:600}
.acct-stat-value{font-size:1.05rem;font-weight:800;margin-top:.2rem}
.acct-stat-value.in{color:var(--success)}
.acct-stat-value.out{color:var(--danger)}
.acct-row{display:flex;align-items:center;gap:.6rem;padding:.7rem .8rem;border-radius:12px;border:1.5px solid var(--glass-border);margin-bottom:.4rem;background:rgba(255,255,255,.85);box-shadow:0 2px 12px rgba(80,110,160,.1);transition:transform .15s,box-shadow .2s}
.acct-row:hover{transform:translateX(2px)}
.acct-cat-tag{display:inline-block;padding:.2rem .6rem;border-radius:8px;font-size:.75rem;font-weight:600}
.acct-in .acct-cat-tag{background:rgba(0,200,150,.12);color:var(--success)}
.acct-out .acct-cat-tag{background:rgba(255,77,109,.1);color:var(--danger)}
.acct-info{flex:1;min-width:0}
.acct-note{font-size:.84rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-date{font-size:.72rem;color:var(--muted)}
.acct-amount{font-weight:800;font-size:.95rem;white-space:nowrap}
.acct-amount.in{color:var(--success)}
.acct-amount.out{color:var(--danger)}
.acct-type-toggle{display:flex;gap:.4rem}
.acct-radio{flex:1;cursor:pointer}
.acct-radio input{display:none}
.acct-radio-label{display:flex;align-items:center;justify-content:center;padding:.6rem;border-radius:10px;border:1.5px solid var(--glass-border);font-size:.88rem;font-weight:600;color:var(--text-dim);transition:all .2s}
.acct-radio input:checked + .acct-radio-label.out{border-color:var(--danger);background:rgba(255,77,109,.08);color:var(--danger)}
.acct-radio input:checked + .acct-radio-label.in{border-color:var(--success);background:rgba(0,200,150,.08);color:var(--success)}

/* ============ 网址收藏 ============ */
.bm-card{display:flex;align-items:flex-start;gap:.7rem;padding:.8rem .9rem;border-radius:12px;border:1.5px solid var(--glass-border);margin-bottom:.5rem;background:rgba(255,255,255,.85);box-shadow:0 2px 12px rgba(80,110,160,.1);transition:transform .15s,box-shadow .2s}
.bm-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
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