/* ===== 绿水长流 · 剑气如虹 · 二次元主题 ===== */
@keyframes waterFlow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes sparkle{0%,100%{opacity:0;transform:scale(0)}50%{opacity:1;transform:scale(1)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes rippleOut{to{transform:scale(4);opacity:0}}
@keyframes cardIn{to{opacity:1;transform:translateY(0)}}
@keyframes cardOut{to{opacity:0;transform:scale(0.92) translateY(10px)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideInRight{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:0.3}50%{transform:scale(1.3);opacity:0}}
@keyframes modalIn{from{opacity:0;transform:translate(-50%,-48%) scale(0.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@keyframes dropFloat{0%,100%{transform:translateY(0) rotate(0deg)}25%{transform:translateY(-8px) rotate(2deg)}75%{transform:translateY(4px) rotate(-1deg)}}

:root{
    --jade:#10b981;--jade-deep:#059669;--jade-light:#34d399;--jade-pale:#a7f3d0;
    --cyan:#06b6d4;--cyan-light:#22d3ee;--cyan-pale:#a5f3fc;
    --bg:#f0fdf9;--bg-card:rgba(255,255,255,0.82);--bg-glass:rgba(255,255,255,0.65);
    --text:#064e3b;--text-sec:#6b7280;--text-dim:#9ca3af;
    --border:rgba(16,185,129,0.12);--border-hover:rgba(16,185,129,0.3);
    --rainbow:linear-gradient(90deg,#10b981,#06b6d4,#a78bfa,#f472b6,#10b981);
    --shadow-sm:0 2px 8px rgba(16,185,129,0.06);--shadow-md:0 8px 24px rgba(16,185,129,0.1);--shadow-lg:0 20px 60px rgba(16,185,129,0.12)
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{min-height:100vh;font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden;position:relative}
body::before{content:'';position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 20% 20%,rgba(16,185,129,0.06),transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(6,182,212,0.05),transparent 50%),radial-gradient(ellipse at 50% 0%,rgba(167,139,250,0.03),transparent 40%);pointer-events:none;z-index:0}
a{text-decoration:none;color:inherit}
.fadeOut{opacity:0;transition:opacity .5s}

/* --- 整体布局 --- */
.app-layout{display:flex;min-height:100vh;position:relative;z-index:1}

/* --- 侧边栏 --- */
.sidebar{width:240px;padding:24px 16px;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;background:linear-gradient(180deg,rgba(255,255,255,0.95) 0%,rgba(240,253,249,0.95) 100%);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--border);z-index:100;transition:transform .3s ease;overflow-y:auto;-webkit-overflow-scrolling:touch}
.sidebar::before{content:'';position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(180deg,transparent,var(--jade-pale),var(--cyan-pale),transparent);opacity:0.6}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:8px 12px;margin-bottom:8px}
.sidebar-logo svg{color:var(--jade);filter:drop-shadow(0 2px 8px rgba(16,185,129,0.2));transition:all .3s ease}
.sidebar-logo:hover svg{transform:rotate(-8deg) scale(1.15);filter:drop-shadow(0 4px 12px rgba(16,185,129,0.35))}
.sidebar-logo span{font-family:'Outfit',sans-serif;font-weight:700;font-size:20px;background:linear-gradient(135deg,var(--jade-deep),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;margin-top:16px}
.nav-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--text-sec);font-size:14px;font-weight:500;transition:all .25s ease;cursor:pointer;border:none;background:none;width:100%;text-align:left;font-family:inherit;position:relative}
.nav-link:hover{color:var(--text);background:rgba(16,185,129,0.06);transform:translateX(4px)}
.nav-link.active{color:var(--jade-deep);background:linear-gradient(90deg,rgba(16,185,129,0.1),rgba(6,182,212,0.05));border-left:3px solid var(--jade);font-weight:600}
.nav-link svg{transition:transform .25s ease;width:18px;height:18px;flex-shrink:0}
.nav-link:hover svg{transform:scale(1.1)}
.sidebar-footer{margin-top:auto;padding:16px 12px;border-top:1px solid var(--border)}
.sidebar-wife{padding:8px;border-radius:12px;background:rgba(16,185,129,0.04);margin-bottom:10px;cursor:pointer;transition:all .3s;border:1px solid transparent}
.sidebar-wife:hover{background:rgba(16,185,129,0.08);border-color:var(--border-hover);transform:translateY(-2px)}
.wife-img-wrap{width:100%;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,rgba(16,185,129,0.06),rgba(6,182,212,0.06));margin-bottom:8px;line-height:0;min-height:80px;display:flex;align-items:center;justify-content:center}
.wife-img-wrap img{width:100%;height:auto;display:block;object-fit:contain}
.wife-info{min-width:0}
.wife-label{font-size:10px;color:var(--jade);margin-bottom:2px;font-weight:500;letter-spacing:0.5px}
.wife-name{font-size:13px;color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-version{font-size:11px;color:var(--text-dim)}

/* --- 主内容 --- */
.main-content{flex:1;margin-left:240px;display:flex;flex-direction:column}
.top-bar{position:sticky;top:0;padding:20px 28px 16px;background:rgba(240,253,249,0.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:50}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:13px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-sec);transition:all .2s ease;position:relative}
.breadcrumb a:hover{color:var(--jade);transform:translateY(-1px)}
.breadcrumb a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1.5px;background:linear-gradient(90deg,var(--jade),var(--cyan));transition:width .2s ease}
.breadcrumb a:hover::after{width:100%}
.breadcrumb .sep{color:var(--border-hover)}
.breadcrumb .current{color:var(--text);font-weight:600}
.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.search-box{position:relative;flex:1;min-width:200px}
.search-box input{width:100%;padding:10px 12px 10px 38px;background:var(--bg-glass);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;font-family:'Plus Jakarta Sans',sans-serif;outline:none;transition:all .25s}
.search-box input::placeholder{color:var(--text-dim)}
.search-box input:focus{border-color:var(--jade);background:#fff;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-dim);pointer-events:none}

/* --- 按钮 --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:10px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;font-family:'Plus Jakarta Sans',sans-serif;white-space:nowrap;position:relative;overflow:hidden}
.btn::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);background-size:200% 100%;opacity:0;transition:opacity .3s}
.btn:hover::after{opacity:1;animation:shimmer 1.5s ease-in-out}
.btn-primary{background:linear-gradient(135deg,var(--jade),var(--jade-deep));color:#fff;border-color:var(--jade);box-shadow:0 2px 8px rgba(16,185,129,0.2)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(16,185,129,0.3)}
.btn-primary:active{transform:translateY(0) scale(0.97)}
.btn-glass{background:var(--bg-glass);color:var(--text-sec);border-color:var(--border);backdrop-filter:blur(6px)}
.btn-glass:hover{background:rgba(16,185,129,0.08);color:var(--text);border-color:var(--border-hover)}
.btn-glass.active{background:linear-gradient(135deg,rgba(16,185,129,0.1),rgba(6,182,212,0.05));border-color:var(--jade-pale);color:var(--jade-deep)}
.btn-danger{background:rgba(239,68,68,0.06);color:#dc2626;border-color:rgba(239,68,68,0.15)}
.btn-danger:hover{background:rgba(239,68,68,0.12);transform:translateY(-1px)}
.btn-success{background:linear-gradient(135deg,var(--jade),var(--cyan));color:#fff;box-shadow:0 2px 8px rgba(16,185,129,0.2)}
.btn-success:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(16,185,129,0.3)}
.btn-sm{padding:6px 12px;font-size:12px}
.top-upload-form{display:inline}
.top-upload-group{display:flex;align-items:center;gap:8px}
.top-upload-label{cursor:pointer;white-space:nowrap}
.top-upload-filename{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--text-sec);max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.view-toggle{display:flex;gap:4px}

/* --- 提示框 --- */
.alert{position:fixed;top:20px;right:20px;padding:14px 20px;border-radius:12px;font-size:14px;z-index:200;animation:slideInRight .4s ease-out;max-width:380px;backdrop-filter:blur(8px)}
.alert-success{background:rgba(16,185,129,0.1);border:1px solid var(--jade-pale);color:#065f46;box-shadow:var(--shadow-sm)}
.alert-error{background:rgba(239,68,68,0.08);border:1px solid rgba(252,165,165,0.4);color:#991b1b}
.alert .close-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);cursor:pointer;font-size:16px;opacity:0.6;padding:4px}
.alert .close-btn:hover{opacity:1}

/* --- 内容区 --- */
.content-area{padding:20px 28px 28px;flex:1;position:relative}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-dim);animation:fadeInUp .6s ease-out both}
.empty-state h3{font-family:'Outfit',sans-serif;font-size:18px;color:var(--text-sec);margin-bottom:6px}
.empty-state p{font-size:14px}

/* --- 文件网格 --- */
.files-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.files-list{display:flex;flex-direction:column;gap:4px}
.file-card{background:rgba(255,255,255,0.92);border:1px solid var(--border);border-radius:16px;padding:20px;cursor:pointer;position:relative;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.file-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--jade),var(--cyan),var(--jade));background-size:200% 100%;opacity:0;transition:opacity .3s ease}
.file-card:hover{transform:translateY(-4px);border-color:var(--border-hover);box-shadow:0 8px 24px rgba(16,185,129,0.12),0 0 20px rgba(16,185,129,0.08)}
.file-card:hover::before{opacity:1;animation:waterFlow 3s ease-in-out infinite}
.file-card:active{transform:translateY(-1px) scale(0.99)}
.file-card .ripple{position:absolute;border-radius:50%;background:rgba(16,185,129,0.12);transform:scale(0);animation:rippleOut .6s ease-out;pointer-events:none}
.file-card .card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.file-card .icon-box{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s ease;position:relative}
.file-card .icon-box::after{content:'';position:absolute;inset:-3px;border-radius:14px;background:inherit;opacity:0;filter:blur(8px);transition:opacity .3s}
.file-card:hover .icon-box{transform:scale(1.1) rotate(-3deg)}
.file-card:hover .icon-box::after{opacity:0.4}
.file-card .file-type-tag{padding:4px 10px;border-radius:20px;font-size:11px;font-weight:500;letter-spacing:0.3px;background:rgba(255,255,255,0.7)}
.file-card .card-name{font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:400;color:var(--text);margin-bottom:6px;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.file-card .card-name a{color:var(--text);text-decoration:none;transition:color .2s}
.file-card .card-name a:hover{color:var(--jade)}
.file-card .card-meta{display:flex;gap:12px;font-size:12px;color:var(--text-dim)}
.file-card .card-actions{display:flex;gap:6px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border);flex-wrap:wrap}
.file-card .card-actions form{display:flex;flex:1;min-width:0}
.file-card .card-actions form .btn{flex:1;width:100%}
.file-card .card-actions .btn{flex:1;padding:7px 10px;font-size:12px;border-radius:8px;min-width:0}
.file-card .card-actions .btn:active{transform:scale(0.95)}
.file-card.deleting{animation:cardOut .2s ease-in forwards}

/* --- 列表视图 --- */
.list-item{background:rgba(255,255,255,0.92);border:1px solid var(--border);border-radius:12px;padding:12px 18px;display:flex;align-items:center;gap:16px;transition:all .25s ease}
.list-item:hover{background:rgba(255,255,255,0.95);border-color:var(--border-hover);transform:translateX(4px);box-shadow:var(--shadow-sm)}
.list-item:active{transform:translateX(2px) scale(0.995)}
.list-item .li-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.list-item .li-info{flex:1;min-width:0}
.list-item .li-name{font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-item .li-name a{color:var(--text);text-decoration:none}
.list-item .li-name a:hover{color:var(--jade)}
.list-item .li-meta{display:flex;gap:12px;font-size:12px;color:var(--text-dim);margin-top:3px}
.list-item .li-actions{display:flex;gap:6px;flex-shrink:0;flex-wrap:wrap}
.list-item .li-actions form{display:flex;flex:1;min-width:0}
.list-item .li-actions form .btn{flex:1;width:100%}

/* --- 上传区 --- */
.upload-area{display:none}
.drop-overlay{position:absolute;inset:0;background:rgba(240,253,249,0.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:3px dashed var(--jade);border-radius:16px;display:flex;align-items:center;justify-content:center;z-index:60;animation:fadeIn .2s ease-out}
.drop-overlay-inner{text-align:center;color:var(--jade)}
.drop-overlay-inner svg{animation:dropFloat 3s ease-in-out infinite}
.drop-overlay-inner p{margin-top:12px;font-size:15px;font-weight:600}
.upload-card-glass{background:var(--bg-card);border:1px dashed var(--border-hover);border-radius:16px;padding:28px;display:flex;align-items:center;gap:20px;transition:all .3s ease;backdrop-filter:blur(8px)}
.upload-card-glass:hover{border-color:var(--jade);background:rgba(16,185,129,0.04);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.upload-card-glass.dragover{border-color:var(--jade);background:rgba(16,185,129,0.06);transform:scale(1.01);box-shadow:var(--shadow-md)}
.upload-card-glass .upload-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(16,185,129,0.1),rgba(6,182,212,0.08));display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--jade)}
.upload-card-glass .upload-text{flex:1}
.upload-card-glass .upload-text h4{font-family:'Outfit',sans-serif;font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
.upload-card-glass .upload-text p{font-size:13px;color:var(--text-dim)}
.file-input-wrapper{position:relative;overflow:hidden;display:inline-block}
.file-input-wrapper input[type=file]{position:absolute;left:0;top:0;opacity:0;cursor:pointer;width:100%;height:100%}

/* --- 上传加载 --- */
#uploadLoading{position:fixed;inset:0;background:rgba(240,253,249,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:2000;display:none;flex-direction:column;justify-content:center;align-items:center}
.spinner{width:48px;height:48px;border:3px solid var(--border);border-top:3px solid var(--jade);border-right:3px solid var(--cyan);border-radius:50%;animation:spin 1s linear infinite}
.upload-pulse{position:absolute;width:80px;height:80px;border-radius:50%;background:rgba(16,185,129,0.06);animation:pulse 2s ease-in-out infinite}
.loading-text{margin-top:20px;color:var(--text-sec);font-size:15px;font-family:'Plus Jakarta Sans',sans-serif}

/* --- 模态框 --- */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(6,78,59,0.15);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:1000}
.modal-content{display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(255,255,255,0.96);border:1px solid var(--border);border-radius:20px;padding:32px;z-index:1001;min-width:420px;max-width:92vw;box-shadow:var(--shadow-lg);animation:modalIn .3s ease-out;backdrop-filter:blur(16px)}
.modal-content::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:20px 20px 0 0;background:linear-gradient(90deg,var(--jade),var(--cyan),var(--jade));background-size:200% 100%;animation:waterFlow 4s ease-in-out infinite}
.modal-title{font-family:'Outfit',sans-serif;font-size:18px;font-weight:600;color:var(--text);margin-bottom:6px}
.modal-subtitle{font-size:13px;color:var(--text-sec);margin-bottom:16px}
.modal-input{width:100%;padding:12px 16px;background:var(--bg-glass);border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:'JetBrains Mono',monospace;font-size:13px;margin-bottom:16px;outline:none;transition:all .25s}
.modal-input::placeholder{color:var(--text-dim)}
.modal-input:focus{border-color:var(--jade);background:#fff;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}
.modal-select{padding:6px 10px;background:var(--bg-glass);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;font-family:'Plus Jakarta Sans',sans-serif;outline:none;cursor:pointer;transition:all .2s}
.modal-select:focus{border-color:var(--jade)}
.modal-select option{background:#fff;color:var(--text)}

/* --- 移动端 --- */
.hamburger{display:none;width:36px;height:36px;border-radius:8px;background:var(--bg-glass);border:1px solid var(--border);cursor:pointer;align-items:center;justify-content:center;color:var(--text-sec);flex-shrink:0}
.hamburger svg{width:20px;height:20px}
.mobile-upload-bar{display:none;position:fixed;bottom:0;left:0;right:0;padding:14px 16px;background:rgba(255,255,255,0.95);border-top:1px solid var(--border);z-index:100;box-shadow:0 -2px 12px rgba(16,185,129,0.06);backdrop-filter:blur(12px)}
.mobile-upload-bar .upload-bar-inner{display:flex;gap:10px;position:relative;align-items:center}
.mobile-upload-bar label{flex:0 0 auto}
.mobile-upload-bar .btn{flex:1}

@media (max-width:1200px){.files-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){.files-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){
    .hamburger{display:flex}
    .sidebar{transform:translateX(-100%);width:260px;padding-bottom:80px;z-index:200}
    .sidebar.open{transform:translateX(0)}
    .sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(6,78,59,0.2);z-index:150}
    .sidebar-backdrop.show{display:block}
    .main-content{margin-left:0}
    .top-bar{padding:16px 16px 12px}
    .content-area{padding:16px;padding-bottom:80px}
    .files-grid{grid-template-columns:1fr}
    .file-card .card-actions{gap:8px}
    .file-card .card-actions .btn{padding:8px 10px;font-size:12px}
    .list-item{flex-wrap:wrap}
    .list-item .li-actions{width:100%;justify-content:flex-end;margin-top:6px}
    .list-item .li-actions .btn{padding:8px 12px}
    .mobile-upload-bar{display:block}
    .top-upload-form{display:none}
    .top-actions{gap:8px;flex-wrap:wrap}
    .alert{top:12px;right:12px;left:12px;max-width:none}
}
@media (max-width:480px){
    .modal-content{min-width:auto;width:calc(100% - 32px);padding:24px;border-radius:16px}
    .sidebar{width:280px}
}