/*
 * GlassUI — 液态玻璃风格通用 UI 框架
 * 版本: 1.0
 * 用法: <link rel="stylesheet" href="assets/style.css">
 * 依赖: Google Fonts (DM Sans) — 已 @import，无需额外引入
 * 兼容: 现代浏览器 (Chrome 88+, Firefox 87+, Safari 14+, Edge 88+)
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&display=swap');

:root {
    /* 主色 */
    --primary: #3b6ef5;
    --primary-dark: #2a56d4;
    /* 背景 */
    --bg-grad: linear-gradient(160deg, #eef3ff 0%, #e4edff 50%, #f0f4ff 100%);
    /* 玻璃 */
    --glass-bg: rgba(255,255,255,0.55);
    --glass-border: rgba(255,255,255,0.7);
    --glass-stroke: rgba(77,120,255,0.1);
    /* 文字 */
    --text-primary: #1a1d2e;
    --text-secondary: #5a6278;
    --text-muted: #8b93a8;
    /* 输入框 */
    --input-border: rgba(77,120,255,0.06);
    --focus-border: rgba(59,110,245,0.35);
    /* 语义色 */
    --success: #059669;
    --error: #dc2626;
    --warning: #d97706;
    /* 圆角 */
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-pill: 16px;
    /* 布局 */
    --sidebar-width: 250px;
    /* 字体 */
    --font-main: 'DM Sans', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font-main);color:var(--text-primary);min-height:100vh;background:var(--bg-grad);background-attachment:fixed;line-height:1.6}
a{color:var(--primary);text-decoration:none}
img{max-width:100%}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}

/* ========== 背景光晕 ========== */
.ambient{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.ambient .orb{position:absolute;border-radius:50%;filter:blur(80px)}
.ambient .orb-1{width:600px;height:600px;top:-25%;left:-18%;background:radial-gradient(circle,rgba(77,120,255,0.08),transparent 65%)}
.ambient .orb-2{width:500px;height:500px;bottom:-20%;right:-12%;background:radial-gradient(circle,rgba(90,140,255,0.06),transparent 60%)}
.ambient .orb-3{width:320px;height:320px;top:10%;right:5%;background:radial-gradient(circle,rgba(77,120,255,0.06),transparent 60%)}
.ambient .orb-4{width:240px;height:240px;bottom:15%;left:8%;background:radial-gradient(circle,rgba(100,150,255,0.06),transparent 60%)}

/* ========== 液态玻璃容器 ========== */
.glass{
    background:var(--glass-bg);
    backdrop-filter:blur(40px) saturate(1.6);
    -webkit-backdrop-filter:blur(40px) saturate(1.6);
    border:1px solid var(--glass-border);
    border-radius:var(--radius-lg);
    box-shadow:
        0 0 0 1px var(--glass-stroke),
        inset 0 1px 0 rgba(255,255,255,0.9),
        inset 0 -1px 0 rgba(0,0,0,0.02),
        inset 0 40px 60px -40px rgba(255,255,255,0.35),
        0 2px 8px rgba(77,120,255,0.04),
        0 8px 32px rgba(77,120,255,0.06),
        0 20px 60px rgba(77,120,255,0.05);
}
.glass-sm{
    background:rgba(255,255,255,0.35);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border:1px solid rgba(77,120,255,0.06);
    border-radius:var(--radius-md);
}

/* ========== 页面布局 ========== */
.page-center{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}
.card-auth{width:100%;max-width:440px;padding:44px 36px}
.card-auth.wide{max-width:520px}
.card-title{font-size:20px;font-weight:700;letter-spacing:.5px;margin-bottom:6px;text-align:center}
.card-subtitle{font-size:13px;color:var(--text-secondary);text-align:center;margin-bottom:32px}
.logo-mark{display:flex;justify-content:center;margin-bottom:20px}
.logo-mark .dot{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 4px 16px rgba(59,110,245,0.3)}
.logo-avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,0.8);box-shadow:0 4px 20px rgba(59,110,245,0.25)}

/* ========== 表单 ========== */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:12.5px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.form-input{
    width:100%;padding:10px 14px;font-size:13px;
    background:rgba(255,255,255,0.3);border:1px solid var(--input-border);
    border-radius:var(--radius-md);color:var(--text-primary);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    outline:none;transition:all .2s ease;
}
.form-input:focus{background:rgba(255,255,255,0.65);border-color:var(--focus-border);box-shadow:0 0 0 3px rgba(59,110,245,0.08)}
.form-input::placeholder{color:var(--text-muted)}
textarea.form-input{resize:vertical;min-height:120px;line-height:1.7}
select.form-input{
    appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a6278' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 14px center;
}

/* ========== 按钮 ========== */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    padding:10px 22px;font-size:13px;font-weight:600;border-radius:var(--radius-md);
    border:none;transition:all .2s ease;letter-spacing:.3px;
}
.btn-primary{
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff;
    box-shadow:0 2px 8px rgba(59,110,245,0.2),inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-primary:hover{box-shadow:0 4px 16px rgba(59,110,245,0.3);transform:translateY(-1px)}
.btn-ghost{
    background:rgba(255,255,255,0.3);border:1px solid rgba(77,120,255,0.06);
    backdrop-filter:blur(8px);color:var(--text-primary);
}
.btn-ghost:hover{background:rgba(255,255,255,0.5)}
.btn-sm{padding:6px 14px;font-size:12px;border-radius:var(--radius-sm)}
.btn-danger{background:var(--error);color:#fff;box-shadow:0 2px 8px rgba(220,38,38,0.2)}
.btn-danger:hover{opacity:.9;transform:translateY(-1px)}
.btn-block{width:100%}
.btn:disabled{background:rgba(0,0,0,0.04);color:var(--text-muted);cursor:not-allowed;box-shadow:none;transform:none}

/* ========== 徽章 ========== */
.badge{display:inline-flex;align-items:center;padding:3px 10px;font-size:11px;font-weight:600;border-radius:var(--radius-pill)}
.badge-blue{background:rgba(59,110,245,0.1);color:var(--primary)}
.badge-green{background:rgba(5,150,105,0.1);color:var(--success)}
.badge-red{background:rgba(220,38,38,0.1);color:var(--error)}
.badge-amber{background:rgba(217,119,6,0.1);color:var(--warning)}
.badge-gray{background:rgba(0,0,0,0.04);color:var(--text-muted)}

/* ========== 表格 ========== */
.table-wrap{overflow-x:auto;border-radius:var(--radius-md)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{text-align:left;padding:10px 14px;font-weight:600;font-size:12px;color:var(--text-muted);border-bottom:1px solid rgba(77,120,255,0.06);white-space:nowrap}
tbody td{padding:10px 14px;border-bottom:1px solid rgba(77,120,255,0.04);vertical-align:middle}
tbody tr{transition:background .15s ease}
tbody tr:hover{background:rgba(59,110,245,0.03)}
.table-empty{padding:40px;text-align:center;color:var(--text-muted);font-size:13px}

/* ========== 标签页 ========== */
.tabs{display:flex;gap:4px;padding:4px;background:rgba(255,255,255,0.25);border-radius:var(--radius-md);margin-bottom:20px}
.tab-btn{flex:1;padding:8px 12px;font-size:12.5px;font-weight:500;text-align:center;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-secondary);transition:all .2s ease}
.tab-btn.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(59,110,245,0.2)}
.tab-btn:not(.active):hover{background:rgba(59,110,245,0.06)}

/* ========== 提示框 ========== */
.alert{padding:12px 16px;border-radius:var(--radius-md);font-size:13px;margin-bottom:16px;display:flex;align-items:flex-start;gap:10px}
.alert-error{background:rgba(220,38,38,0.06);border:1px solid rgba(220,38,38,0.15);color:var(--error)}
.alert-success{background:rgba(5,150,105,0.06);border:1px solid rgba(5,150,105,0.15);color:var(--success)}
.alert-warning{background:rgba(217,119,6,0.06);border:1px solid rgba(217,119,6,0.15);color:var(--warning)}

/* ========== 开关 ========== */
.toggle-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(77,120,255,0.04)}
.toggle-label{font-size:13px;font-weight:500}
.toggle-desc{font-size:12px;color:var(--text-muted);margin-top:2px}
.toggle{position:relative;width:44px;height:24px;flex-shrink:0}
.toggle input{display:none}
.toggle .slider{position:absolute;inset:0;background:rgba(0,0,0,0.08);border-radius:12px;transition:background .25s;cursor:pointer}
.toggle .slider::after{content:'';position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 1px 4px rgba(0,0,0,0.15);transition:transform .25s}
.toggle input:checked+.slider{background:var(--primary)}
.toggle input:checked+.slider::after{transform:translateX(20px)}

/* ========== 卡片网格 ========== */
.type-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-bottom:24px}
.type-card{padding:20px 16px;text-align:center;cursor:pointer;transition:all .25s ease}
.type-card:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(77,120,255,0.1)}
.type-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary),0 8px 32px rgba(59,110,245,0.12)}
.type-name{font-size:15px;font-weight:700;margin-bottom:4px}
.type-stock{font-size:12px;color:var(--text-muted)}
.type-stock strong{color:var(--primary);font-weight:600}

/* ========== 数量选择 ========== */
.qty-row{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.qty-btn{width:36px;height:36px;border-radius:var(--radius-sm);border:1px solid rgba(77,120,255,0.08);background:rgba(255,255,255,0.4);font-size:18px;font-weight:600;color:var(--primary);display:flex;align-items:center;justify-content:center;transition:all .2s}
.qty-btn:hover{background:rgba(59,110,245,0.08)}
.qty-input{width:70px;text-align:center;font-size:16px;font-weight:700;padding:8px}
.qty-hint{font-size:12px;color:var(--text-muted)}

/* ========== 结果区域 ========== */
.result-box{background:rgba(255,255,255,0.4);border:1px solid rgba(77,120,255,0.08);border-radius:var(--radius-md);padding:16px;margin-top:16px}
.result-title{font-size:13px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;justify-content:space-between}
.result-list{list-style:none;counter-reset:ticket}
.result-list li{padding:8px 12px;font-size:13px;background:rgba(59,110,245,0.03);border-radius:var(--radius-sm);margin-bottom:6px;word-break:break-all;display:flex;align-items:center;gap:8px}
.result-list li::before{content:counter(ticket);counter-increment:ticket;font-size:11px;color:var(--text-muted);font-weight:600;min-width:20px}
.result-empty{color:var(--text-muted);font-size:13px;text-align:center;padding:20px}

/* ========== 统计网格 ========== */
.key-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:24px}
.key-stat{padding:14px;text-align:center}
.key-stat .label{font-size:11px;color:var(--text-muted);margin-bottom:4px}
.key-stat .value{font-size:18px;font-weight:700;color:var(--primary)}

/* ========== 侧栏 ========== */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;padding:28px 16px 16px;z-index:1000;background:rgba(255,255,255,0.45);backdrop-filter:blur(40px) saturate(1.6);-webkit-backdrop-filter:blur(40px) saturate(1.6);border-right:1px solid var(--glass-border);box-shadow:1px 0 0 var(--glass-stroke);display:flex;flex-direction:column;overflow-y:auto}
.sidebar-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px;padding:0 4px}
.sidebar-logo .icon{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 2px 8px rgba(59,110,245,0.25)}
.sidebar-logo .text{font-size:16px;font-weight:700;letter-spacing:.3px}
.sidebar-nav{flex:1}
.nav-group{margin-bottom:20px}
.nav-group-title{font-size:10.5px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;padding:0 10px;margin-bottom:6px}
.nav-link{display:flex;align-items:center;gap:10px;padding:9px 10px;font-size:13px;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all .2s;margin-bottom:2px}
.nav-link:hover{background:rgba(59,110,245,0.06);color:var(--text-primary)}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(59,110,245,0.2)}
.nav-link .icon{width:18px;height:18px;opacity:.7;font-size:15px}
.nav-link.active .icon{opacity:1}
.sidebar-footer{padding-top:12px;border-top:1px solid rgba(77,120,255,0.06)}

/* ========== 后台主区域 ========== */
.admin-layout{display:flex;min-height:100vh}
.main{margin-left:var(--sidebar-width);flex:1;padding:28px 32px;position:relative;z-index:1}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.page-title{font-size:21px;font-weight:700;letter-spacing:.5px}
.page-desc{font-size:13px;color:var(--text-secondary);margin-top:4px}

/* ========== 统计卡片 ========== */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.stat-card{padding:22px 20px}
.stat-card .label{font-size:12px;color:var(--text-muted);margin-bottom:8px}
.stat-card .number{font-size:28px;font-weight:700;color:var(--primary);letter-spacing:.5px}
.stat-card .sub{font-size:11.5px;color:var(--text-secondary);margin-top:4px}

/* ========== 复制区域 ========== */
.copy-area{position:relative}
.copy-area textarea{font-family:'Courier New',monospace;font-size:13px;line-height:1.8;min-height:200px}
.copy-btn{position:absolute;top:10px;right:10px;padding:5px 12px;font-size:11.5px;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);box-shadow:0 2px 6px rgba(59,110,245,0.2);transition:all .2s}
.copy-btn:hover{background:var(--primary-dark)}

/* ========== 筛选栏 ========== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}
.settings-section-title{font-size:15px;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(77,120,255,0.06)}

/* ========== 复选框 ========== */
.check-wrap{display:inline-flex;align-items:center;cursor:pointer;position:relative}
.check-wrap input{position:absolute;opacity:0;width:0;height:0}
.checkmark{width:18px;height:18px;border-radius:5px;background:rgba(255,255,255,0.4);border:1.5px solid rgba(77,120,255,0.15);display:flex;align-items:center;justify-content:center;transition:all .2s}
.check-wrap input:checked+.checkmark{background:var(--primary);border-color:var(--primary)}
.check-wrap input:checked+.checkmark::after{content:'';display:block;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}
.check-wrap:hover .checkmark{border-color:var(--focus-border)}

/* ========== Toast ========== */
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-60px);z-index:10000;padding:10px 22px;font-size:13.5px;font-weight:600;color:#fff;border-radius:var(--radius-pill);box-shadow:0 6px 24px rgba(0,0,0,0.15);opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1);pointer-events:none;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast-success{background:linear-gradient(135deg,#22c55e,#16a34a)}
.toast-error{background:linear-gradient(135deg,#ef4444,#dc2626)}

/* ========== 页脚 ========== */
.page-footer{text-align:center;padding:18px 0 0;margin-top:24px;font-size:11.5px;color:var(--text-muted);letter-spacing:.3px;border-top:1px solid rgba(77,120,255,0.05)}

/* ========== 渐变彩色按钮 ========== */
.float-btns{position:fixed;top:16px;left:calc(250px + 12px);z-index:1002;display:flex;flex-direction:column;gap:9px}
.float-btn{
    position:relative;display:inline-flex;align-items:center;justify-content:center;gap:5px;
    padding:8px 22px;font-size:13px;font-weight:800;letter-spacing:.5px;
    background:rgba(255,255,255,0.78);border:2px solid transparent;border-radius:24px;
    box-shadow:0 2px 12px rgba(102,126,234,0.12);
    backdrop-filter:blur(10px) saturate(1.4);-webkit-backdrop-filter:blur(10px) saturate(1.4);
    transition:all .3s cubic-bezier(.4,0,.2,1);text-decoration:none;text-align:center;white-space:nowrap;cursor:pointer;
}
.float-btn::before{
    content:'';position:absolute;inset:0;border-radius:24px;padding:2px;
    background:linear-gradient(135deg,#667eea,#764ba2,#f093fb,#4facfe,#43e97b);
    background-size:200% 200%;animation:gradientShift 4s ease infinite;
    -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.float-btn-text{
    background:linear-gradient(135deg,#667eea,#764ba2,#f093fb,#4facfe,#43e97b);
    background-size:200% 200%;animation:gradientShift 4s ease infinite;
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
}
.float-btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 6px 24px rgba(102,126,234,0.25)}
.float-btn:active{transform:translateY(0) scale(1)}
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.float-btn-bottom{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:1002}
.float-btn-bottom:hover{transform:translateX(-50%) translateY(-2px) scale(1.03)}
.float-btn-bottom:active{transform:translateX(-50%) translateY(0) scale(1)}
.btn-row-center{display:flex;align-items:center;justify-content:space-between;gap:12px}
.btn-row-center .text-muted{flex-shrink:0}

/* ========== 动画 ========== */
.anim-in{opacity:0;transform:translateY(12px);animation:slideIn .45s cubic-bezier(.16,1,.3,1) forwards}
.anim-in:nth-child(2){animation-delay:.06s}
.anim-in:nth-child(3){animation-delay:.12s}
.anim-in:nth-child(4){animation-delay:.18s}
@keyframes slideIn{to{opacity:1;transform:translateY(0)}}
.fade-in{opacity:0;transform:translateY(6px);animation:fadeInSub .25s ease forwards}
@keyframes fadeInSub{to{opacity:1;transform:translateY(0)}}

/* ========== 工具类 ========== */
.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}
.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-sm{font-size:12px}
.hidden{display:none!important}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}

/* ========== 滑块 ========== */
.fx-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 2px 8px rgba(59,110,245,0.35);cursor:pointer;border:2px solid #fff}
.fx-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 2px 8px rgba(59,110,245,0.35);cursor:pointer;border:2px solid #fff}

/* ========== 响应式 ========== */
@media(max-width:768px){
    .sidebar{transform:translateX(-100%);transition:transform .3s}
    .sidebar.open{transform:translateX(0)}
    .main{margin-left:0;padding:20px 16px}
    .stat-grid{grid-template-columns:1fr 1fr}
    .type-grid{grid-template-columns:1fr 1fr}
    .mobile-menu-btn{display:flex!important}
    .float-btns{left:16px!important}
    .admin-layout .float-btns{left:64px!important}
}
.mobile-menu-btn{display:none;position:fixed;top:16px;left:calc(var(--sidebar-width) + 12px);z-index:1001;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--glass-bg);backdrop-filter:blur(20px);border:1px solid var(--glass-border);align-items:center;justify-content:center;font-size:18px;box-shadow:0 2px 8px rgba(77,120,255,0.1)}