/* ============================================================
   cdn.tsvr.asia — 主样式表 (玻璃拟物设计)
   ============================================================ */

:root {
    --bg: #f0f4fa;
    --glass: rgba(255,255,255,0.55);
    --glass-hover: rgba(255,255,255,0.75);
    --glass-border: rgba(255,255,255,0.6);
    --glass-shadow: 0 8px 32px rgba(149,184,231,0.18);
    --text: #1a2b40; --text-dim: #6b7d95;
    --accent: #4d94ff; --accent-glow: rgba(77,148,255,0.25);
    --success: #22c55e; --warning: #f59e0b; --danger: #ef4444;
    --radius: 20px; --radius-sm: 14px;
}

/* ====== 基础 ====== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg); color: var(--text); min-height: 100vh; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}

/* ====== 背景动画 ====== */
.bg-layer { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-blob { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.55; animation: float 18s ease-in-out infinite; }
.bg-blob--1 { width: 520px; height: 520px; background: radial-gradient(circle,#bfdbfe 0%,#93c5fd 40%,transparent 70%); top: -120px; right: -80px; }
.bg-blob--2 { width: 380px; height: 380px; background: radial-gradient(circle,#a5d6ff 0%,#7ec8ff 40%,transparent 70%); bottom: -80px; left: -60px; animation-delay: -6s; }
.bg-blob--3 { width: 300px; height: 300px; background: radial-gradient(circle,#d4e6ff 0%,#add8ff 40%,transparent 70%); top: 45%; left: 50%; transform: translate(-50%,-50%); animation-delay: -12s; opacity: 0.35; }
@keyframes float { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(30px,-30px) scale(1.05)} 66%{transform:translate(-20px,20px) scale(0.96)} }

/* ====== 布局 ====== */
.app { position: relative; z-index: 1; max-width: 740px; margin: 0 auto; padding: 24px 24px 80px; }

/* ====== 用户栏 ====== */
.user-bar { display: flex; justify-content: flex-end; align-items: center; gap: 10px; margin-bottom: 8px; }
.user-bar .user-info { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text); }
.user-bar .user-avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg,#4d94ff,#7ab4ff); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.user-bar .btn { font-size: 12px; padding: 6px 14px; }
.lang-switch { display: inline-flex; gap: 2px; margin-left: 6px; background: rgba(148,163,184,0.12); border-radius: 8px; padding: 2px; }
.lang-btn { padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 700; border: none; background: transparent; color: var(--text-dim); cursor: pointer; transition: all 0.2s; font-family: inherit; }
.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: rgba(255,255,255,0.7); color: var(--accent); box-shadow: 0 1px 4px rgba(0,0,0,0.06); }

/* ====== Header ====== */
.header { text-align: center; padding: 32px 0 36px; }
.header .logo { display: inline-flex; align-items: center; gap: 10px; font-size: 28px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; color: var(--text); text-decoration: none; cursor: pointer; }
.header .logo .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px var(--accent-glow); animation: pulse-dot 2.2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{box-shadow:0 0 18px var(--accent-glow)} 50%{box-shadow:0 0 32px rgba(77,148,255,0.45)} }
.header .subtitle { color: var(--text-dim); font-size: 15px; font-weight: 500; margin-bottom: 16px; }

/* ====== 导航 ====== */
.nav-links { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.nav-link {
    display: inline-flex; align-items: center; gap: 5px; padding: 8px 18px; border-radius: 99px;
    font-size: 13px; font-weight: 600; text-decoration: none; cursor: pointer;
    backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%);
    background: rgba(255,255,255,0.4); border: 1px solid var(--glass-border); color: var(--text-dim);
    transition: all 0.25s;
}
.nav-link:hover { background: rgba(255,255,255,0.7); color: var(--text); border-color: var(--accent); }
.nav-link.active { background: linear-gradient(135deg,rgba(77,148,255,0.12),rgba(122,180,255,0.18)); border-color: rgba(77,148,255,0.35); color: var(--accent); }

/* ====== 按钮 ====== */
.btn {
    display: inline-flex; align-items: center; gap: 5px; padding: 8px 14px; border-radius: 10px;
    font-size: 13px; font-weight: 600; border: 1px solid var(--glass-border);
    backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%);
    background: rgba(255,255,255,0.45); color: var(--text); cursor: pointer;
    transition: all 0.25s; text-decoration: none; white-space: nowrap; font-family: inherit;
}
.btn:hover { background: rgba(255,255,255,0.75); border-color: var(--accent); box-shadow: 0 4px 16px rgba(77,148,255,0.15); }
.btn--primary { background: linear-gradient(135deg,#4d94ff,#6aa8ff); border-color: transparent; color: #fff; box-shadow: 0 4px 16px rgba(77,148,255,0.3); }
.btn--primary:hover { box-shadow: 0 6px 24px rgba(77,148,255,0.4); transform: translateY(-1px); }
.btn--primary:active { transform: scale(0.97); }
.btn--outline { backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%); background: rgba(255,255,255,0.4); border: 1px solid var(--glass-border); color: var(--text); }
.btn--outline:hover { background: rgba(255,255,255,0.7); border-color: var(--accent); box-shadow: 0 4px 16px rgba(77,148,255,0.12); }
.btn--danger:hover { border-color: var(--danger); background: rgba(239,68,68,0.08); }
.btn--sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }

/* ====== 文件托管 ====== */
.features { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 32px; }
@media (max-width:560px){.features{grid-template-columns:1fr}}
.feature-card {
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    padding: 22px 16px 18px; text-align: center; box-shadow: var(--glass-shadow);
    transition: all 0.35s cubic-bezier(.4,0,.2,1);
}
.feature-card:hover { background: var(--glass-hover); transform: translateY(-4px); box-shadow: 0 14px 40px rgba(149,184,231,0.3); border-color: rgba(77,148,255,0.35); }
.feature-card .icon { font-size: 30px; margin-bottom: 10px; }
.feature-card .title { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.feature-card .desc { font-size: 12px; color: var(--text-dim); font-weight: 500; }

/* 上传区 */
.upload-zone {
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 2px dashed rgba(77,148,255,0.3); border-radius: var(--radius);
    padding: 52px 24px; text-align: center; cursor: pointer; transition: all 0.35s;
    position: relative; margin-bottom: 28px; box-shadow: var(--glass-shadow);
}
.upload-zone:hover,.upload-zone.drag-over { background: var(--glass-hover); border-color: var(--accent); box-shadow: 0 0 0 8px rgba(77,148,255,0.06),0 16px 48px rgba(149,184,231,0.3); }
.upload-zone .upload-icon { width: 60px; height: 60px; margin: 0 auto 18px; background: linear-gradient(135deg,rgba(77,148,255,0.1),rgba(122,180,255,0.15)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; transition: transform 0.35s; }
.upload-zone:hover .upload-icon { transform: scale(1.1) rotate(4deg); }
.upload-zone .upload-text { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.upload-zone .upload-hint { font-size: 13px; color: var(--text-dim); }
.upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* 进度条 */
.progress-bar-wrap {
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    padding: 18px; margin-bottom: 28px; display: none; box-shadow: var(--glass-shadow);
}
.progress-bar-wrap.active { display: block; }
.progress-bar-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; font-size: 13px; font-weight: 500; }
.progress-bar-track { height: 8px; background: rgba(148,163,184,0.15); border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg,#4d94ff,#7ab4ff,#a0cbff); border-radius: 4px; width: 0%; transition: width 0.3s; box-shadow: 0 0 12px rgba(77,148,255,0.4); }

/* 文件列表 */
.section-title { font-size: 15px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.section-title .count {
    backdrop-filter: blur(12px) saturate(160%); -webkit-backdrop-filter: blur(12px) saturate(160%);
    background: rgba(77,148,255,0.1); color: var(--accent); font-size: 12px; font-weight: 600;
    padding: 3px 12px; border-radius: 99px;
}
.file-list { display: flex; flex-direction: column; gap: 10px; }
.file-item {
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    padding: 16px 18px; display: flex; align-items: center; gap: 14px;
    box-shadow: 0 2px 12px rgba(149,184,231,0.1); transition: all 0.35s;
    animation: fadeInUp 0.45s cubic-bezier(.4,0,.2,1);
}
@keyframes fadeInUp { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }
.file-item:hover { background: var(--glass-hover); border-color: rgba(77,148,255,0.25); box-shadow: 0 8px 28px rgba(149,184,231,0.22); }
.file-item.expiring { background: rgba(255,248,235,0.7); border-color: rgba(245,158,11,0.3); }
.file-item.expired { background: rgba(255,240,240,0.65); border-color: rgba(239,68,68,0.2); opacity: 0.65; }
.file-icon { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg,rgba(77,148,255,0.08),rgba(122,180,255,0.12)); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-name--link { color: var(--accent); text-decoration: none; transition: color 0.2s; }
.file-name--link:hover { color: var(--text); text-decoration: underline; }
.file-meta { font-size: 12px; color: var(--text-dim); margin-top: 3px; font-weight: 500; }
.file-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* 倒计时标签 */
.countdown { font-variant-numeric: tabular-nums; font-size: 11px; padding: 3px 10px; border-radius: 99px; font-weight: 600; white-space: nowrap; }
.countdown--safe { background: rgba(34,197,94,0.12); color: #15803d; }
.countdown--warn { background: rgba(245,158,11,0.12); color: #b45309; }
.countdown--danger { background: rgba(239,68,68,0.12); color: #dc2626; }

/* 空状态 */
.empty-state {
    text-align: center; padding: 56px 24px; color: var(--text-dim);
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
}
.empty-state .icon { font-size: 52px; margin-bottom: 14px; opacity: 0.55; }
.empty-state p { font-size: 14px; font-weight: 500; }

/* ====== 二维码生成 ====== */
.panel { backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%); background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--glass-shadow); margin-bottom: 20px; }
.panel-label { font-size: 12px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.input-row { display: flex; gap: 10px; margin-bottom: 20px; }
.input-row input { flex: 1; padding: 14px 18px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border); background: rgba(255,255,255,0.5); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); font-size: 15px; color: var(--text); outline: none; transition: all 0.3s; font-family: inherit; }
.input-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(77,148,255,0.08); background: rgba(255,255,255,0.7); }
.input-row input::placeholder { color: #b0c0d4; }

/* QR 结果 */
.qr-result { display: none; text-align: center; margin-top: 8px; }
.qr-result.active { display: block; }
.qr-wrapper { display: inline-block; padding: 20px; background: #fff; border-radius: 16px; box-shadow: 0 2px 20px rgba(149,184,231,0.18); margin-bottom: 20px; }
.qr-wrapper canvas { display: block; }
.qr-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.qr-meta { margin-top: 16px; font-size: 12px; color: var(--text-dim); font-weight: 500; word-break: break-all; }
.save-hint { margin-top: 12px; font-size: 12px; color: var(--text-dim); }
.save-hint a { color: var(--accent); cursor: pointer; font-weight: 600; }

/* QR 历史 */
.history-item {
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    padding: 14px 18px; display: flex; align-items: center; gap: 14px;
    box-shadow: 0 2px 12px rgba(149,184,231,0.1); transition: all 0.3s;
}
.history-item:hover { background: var(--glass-hover); }
.history-item .thumb { width: 48px; height: 48px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: #fff; display: flex; align-items: center; justify-content: center; }
.history-item .thumb img { width: 100%; height: 100%; object-fit: contain; }
.history-item .meta { flex: 1; min-width: 0; }
.history-item .meta .text { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-item .meta .time { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

/* 使用提示 */
.tips { backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%); background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); padding: 20px 22px; box-shadow: var(--glass-shadow); margin-top: 20px; }
.tips h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.tips ul { list-style: none; }
.tips ul li { font-size: 13px; color: var(--text-dim); padding: 4px 0; display: flex; align-items: center; gap: 8px; }
.tips ul li::before { content: '·'; font-weight: 700; color: var(--accent); font-size: 20px; line-height: 0; }

/* ====== 购物商城 ====== */
.mall-toolbar { margin-bottom: 8px; }
.mall-search { display: flex; gap: 8px; margin-bottom: 14px; }
.mall-search input {
    flex: 1; padding: 13px 18px; border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border); background: rgba(255,255,255,0.5);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    font-size: 14px; color: var(--text); outline: none; font-family: inherit;
    transition: all 0.3s;
}
.mall-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(77,148,255,0.08); background: rgba(255,255,255,0.7); }
.mall-search input::placeholder { color: #b0c0d4; }

.mall-platforms { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.m-chip {
    padding: 7px 15px; border-radius: 99px; font-size: 12px; font-weight: 600;
    cursor: pointer; border: 1px solid var(--glass-border); font-family: inherit;
    backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%);
    background: rgba(255,255,255,0.4); color: var(--text-dim); transition: all 0.25s;
}
.m-chip:hover { background: rgba(255,255,255,0.7); color: var(--text); border-color: var(--accent); }
.m-chip.active { background: linear-gradient(135deg,#4d94ff,#6aa8ff); border-color: transparent; color: #fff; box-shadow: 0 4px 14px rgba(77,148,255,0.3); }

.mall-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 16px; }
.m-card {
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    overflow: hidden; box-shadow: var(--glass-shadow);
    transition: all 0.35s cubic-bezier(.4,0,.2,1); display: flex; flex-direction: column;
    animation: fadeInUp 0.45s cubic-bezier(.4,0,.2,1);
}
.m-card:hover { background: var(--glass-hover); transform: translateY(-5px); box-shadow: 0 16px 40px rgba(149,184,231,0.3); border-color: rgba(77,148,255,0.35); }
.m-img { position: relative; aspect-ratio: 1/1; background: #fff; overflow: hidden; }
.m-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.m-img-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 48px; opacity: 0.3; }
.m-badge {
    position: absolute; top: 10px; left: 10px; padding: 3px 10px; border-radius: 99px;
    font-size: 11px; font-weight: 700; color: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    background: rgba(26,43,64,0.55); letter-spacing: 0.3px;
}
.m-badge--amazon { background: rgba(255,153,0,0.85); }
.m-badge--taobao { background: rgba(255,80,0,0.85); }
.m-badge--tmall { background: rgba(255,0,54,0.85); }
.m-badge--pinduoduo { background: rgba(224,32,32,0.85); }
.m-badge--jd { background: rgba(224,32,32,0.85); }
.m-badge--alibaba { background: rgba(255,106,0,0.85); }
.m-body { padding: 14px; display: flex; flex-direction: column; flex: 1; }
.m-title {
    font-size: 13px; font-weight: 600; line-height: 1.45; margin-bottom: 12px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 38px;
}
.m-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.m-price { font-size: 18px; font-weight: 800; color: #ff4d4f; }
.m-clicks { font-size: 11px; color: var(--text-dim); font-weight: 500; }
.m-buy { width: 100%; justify-content: center; margin-top: auto; }

/* ====== 弹窗 ====== */
.modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 100;
    background: rgba(10,20,40,0.3); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    justify-content: center; align-items: center;
}
.modal-overlay.active { display: flex; }
.modal {
    backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
    background: rgba(255,255,255,0.8); border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 36px 30px 28px; width: 380px; max-width: 90vw;
    box-shadow: 0 20px 60px rgba(149,184,231,0.3);
}
.modal h2 { font-size: 20px; font-weight: 700; margin-bottom: 20px; text-align: center; }
.modal .field { margin-bottom: 14px; }
.modal .field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.modal .field input {
    width: 100%; padding: 12px 14px; border-radius: 10px;
    border: 1px solid rgba(148,163,184,0.3); font-size: 14px; outline: none;
    background: rgba(255,255,255,0.5); backdrop-filter: blur(8px); font-family: inherit;
    transition: border-color 0.3s;
}
.modal .field input:focus { border-color: var(--accent); }
.modal .btn--full { width: 100%; justify-content: center; padding: 12px; margin-top: 6px; }
.modal .switch { text-align: center; margin-top: 14px; font-size: 13px; color: var(--text-dim); }
.modal .switch a { color: var(--accent); cursor: pointer; font-weight: 600; text-decoration: none; }
.modal .switch a:hover { text-decoration: underline; }
.modal .err-msg { color: var(--danger); font-size: 12px; text-align: center; margin-top: 8px; min-height: 18px; }

/* ====== Toast 通知 ====== */
.toast-container { position: fixed; top: 28px; right: 28px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.toast {
    backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
    background: rgba(255,255,255,0.7); border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm); padding: 14px 22px; font-size: 14px;
    display: flex; align-items: center; gap: 10px; font-weight: 500;
    box-shadow: 0 8px 32px rgba(149,184,231,0.2); animation: slideIn 0.35s; min-width: 280px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
@keyframes slideIn { from{opacity:0;transform:translateX(50px)} to{opacity:1;transform:translateX(0)} }

/* ====== 页脚 ====== */
.footer { text-align: center; padding: 36px 0 16px; color: #94a3b8; font-size: 12px; }
.admin-link { color: #94a3b8; text-decoration: none; transition: color 0.2s; }
.admin-link:hover { color: var(--accent); }

/* ====== 响应式 ====== */
@media (max-width:480px) {
    .input-row { flex-direction: column; }
    .qr-wrapper canvas { width: 220px !important; height: 220px !important; }
}