/* ============================================
   星云收银系统 · 后台科技风样式
   ============================================ */
:root{
    --bg:#05080f;
    --bg2:#0a1122;
    --panel:rgba(13,22,45,.75);
    --panel-solid:#0d162d;
    --line:rgba(0,229,255,.2);
    --line-strong:rgba(0,229,255,.45);
    --cyan:#00e5ff;
    --purple:#7c4dff;
    --green:#35f0a0;
    --red:#ff5c7a;
    --yellow:#ffc24d;
    --text:#e8f1ff;
    --text-dim:#8fa3c7;
    --font-head:'Orbitron','PingFang SC','Microsoft YaHei',sans-serif;
    --font-body:'Rajdhani','PingFang SC','Microsoft YaHei',-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:14px;line-height:1.65}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.mono{font-family:'SFMono-Regular',Consolas,monospace}
.dim{color:var(--text-dim)}
.muted{color:#5f739b;padding:10px 0}

/* ---------- 登录页 ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;position:relative;overflow:hidden}
.login-bg{position:fixed;inset:0;z-index:0}
.login-grid{
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(0,229,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.06) 1px,transparent 1px);
    background-size:44px 44px;
}
.login-orb{position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(0,229,255,.14);filter:blur(110px);top:-160px;right:-120px}
.login-card{
    position:relative;z-index:1;width:400px;max-width:92vw;
    background:var(--panel-solid);border:1px solid var(--line-strong);border-radius:18px;
    padding:44px 42px;box-shadow:0 0 70px rgba(0,229,255,.14);backdrop-filter:blur(10px);
}
.login-brand{font-family:var(--font-head);font-weight:700;font-size:17px;text-align:center}
.brand-mark{color:var(--cyan);text-shadow:0 0 14px var(--cyan)}
.login-title{font-family:var(--font-head);font-size:26px;text-align:center;margin:18px 0 4px}
.login-sub{text-align:center;color:#5f739b;font-size:11px;letter-spacing:3px;margin-bottom:26px}
.login-error{
    background:rgba(255,92,122,.1);border:1px solid rgba(255,92,122,.4);color:#ff8fa3;
    border-radius:10px;padding:10px 14px;margin-bottom:18px;font-size:13px;text-align:center;
}
.login-form{display:flex;flex-direction:column;gap:18px}
.lf-field{display:flex;flex-direction:column;gap:7px}
.lf-field span{font-size:13px;color:var(--text-dim)}
.lf-field input{
    padding:12px 14px;border-radius:10px;border:1px solid var(--line);
    background:rgba(0,0,0,.25);color:var(--text);font-size:14px;outline:none;
}
.lf-field input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(0,229,255,.1)}
.login-foot{display:flex;justify-content:space-between;margin-top:22px;font-size:12px;color:#5f739b}
.login-foot a{color:var(--cyan)}
.error-ico{font-size:44px;margin-bottom:8px}

/* ---------- 布局 ---------- */
.admin-layout{display:flex;min-height:100vh}
.sidebar{
    width:216px;flex-shrink:0;background:var(--bg2);
    border-right:1px solid var(--line);display:flex;flex-direction:column;
    position:sticky;top:0;height:100vh;
}
.side-brand{font-family:var(--font-head);font-weight:700;font-size:16px;padding:20px 18px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}
.side-nav{flex:1;padding:14px 10px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.side-link{
    display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;
    color:var(--text-dim);font-size:14px;transition:.2s;border:1px solid transparent;
}
.side-link:hover{color:var(--text);background:rgba(0,229,255,.06)}
.side-link.active{color:var(--cyan);background:rgba(0,229,255,.1);border-color:var(--line);box-shadow:0 0 18px rgba(0,229,255,.08)}
.sl-ico{width:22px;text-align:center}
.side-foot{border-top:1px solid var(--line);padding:12px 10px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 26px;background:rgba(10,17,34,.85);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;
}
.top-title{font-family:var(--font-head);font-size:15px;font-weight:700;letter-spacing:1px}
.top-user{display:flex;align-items:center;gap:12px}
.tu-name{color:var(--text)}
.tu-link{color:var(--text-dim);font-size:13px}
.tu-link:hover{color:var(--red)}
.content{padding:26px;display:flex;flex-direction:column;gap:20px;max-width:1280px;width:100%;margin:0 auto}

/* ---------- 通用组件 ---------- */
.btn-primary,.btn-ghost,.btn-danger{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    padding:9px 18px;border-radius:9px;font-size:13px;font-weight:600;transition:.2s;border:1px solid transparent;
}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--purple));color:#04121c;box-shadow:0 0 16px rgba(0,229,255,.3)}
.btn-primary:hover{box-shadow:0 0 26px rgba(0,229,255,.55)}
.btn-ghost{border-color:var(--line-strong);color:var(--cyan);background:rgba(0,229,255,.04)}
.btn-ghost:hover{background:rgba(0,229,255,.12)}
.btn-danger{background:rgba(255,92,122,.12);color:#ff8fa3;border-color:rgba(255,92,122,.4)}
.btn-danger:hover{background:rgba(255,92,122,.22)}
.btn-xs{padding:4px 10px;font-size:12px;border-radius:7px}
.btn-block{width:100%}
.active-tab{background:rgba(0,229,255,.16);color:var(--cyan)}

.panel{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius,14px);
    padding:20px;
}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel-title{font-family:var(--font-head);font-size:14px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line);letter-spacing:1px}

.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{
    background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;
    position:relative;overflow:hidden;
}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
.stat-card.mini{padding:16px 18px}
.sc-label{color:var(--text-dim);font-size:12px;letter-spacing:1px}
.sc-value{font-family:var(--font-head);font-size:26px;font-weight:700;color:var(--cyan);margin:6px 0 2px;text-shadow:0 0 16px rgba(0,229,255,.4)}
.sc-sub{font-size:11px;color:#5f739b}

.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.filter-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.filter-form input,.filter-form select{
    padding:9px 12px;border-radius:9px;border:1px solid var(--line);
    background:rgba(0,0,0,.25);color:var(--text);font-size:13px;outline:none;
}
.filter-form input:focus,.filter-form select:focus{border-color:var(--line-strong)}
.filter-form select option{background:#0d162d}
input[type="date"]::-webkit-calendar-picker-indicator{filter:invert(.8)}
.table-count{color:var(--text-dim);font-size:13px}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{
    text-align:left;color:#5f739b;font-weight:600;font-size:12px;letter-spacing:1px;
    padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table td{padding:11px 12px;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:middle}
.table tr:hover td{background:rgba(0,229,255,.03)}
.table .empty{text-align:center;color:#5f739b;padding:36px 0}
.amount{color:var(--cyan);font-weight:600;white-space:nowrap}
.stock-low{color:var(--yellow);font-weight:600}
.ops{display:flex;gap:6px;flex-wrap:wrap;white-space:nowrap}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.3);color:var(--cyan);font-size:11px}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:11px;letter-spacing:1px;white-space:nowrap}
.badge-gold{background:rgba(255,194,77,.12);border:1px solid rgba(255,194,77,.4);color:var(--yellow)}
.badge-purple{background:rgba(124,77,255,.14);border:1px solid rgba(124,77,255,.45);color:#c9a7ff}
.badge-blue{background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.35);color:var(--cyan)}
.badge-green{background:rgba(53,240,160,.1);border:1px solid rgba(53,240,160,.35);color:var(--green)}
.badge-gray{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.15);color:#8fa3c7}
.badge-yellow{background:rgba(255,194,77,.1);border:1px solid rgba(255,194,77,.35);color:var(--yellow)}

.pager{display:flex;gap:6px;margin-top:16px;flex-wrap:wrap}
.page{
    padding:6px 12px;border-radius:8px;border:1px solid var(--line);color:var(--text-dim);font-size:13px;
}
.page.active{background:rgba(0,229,255,.16);color:var(--cyan);border-color:var(--line-strong)}
.page:hover{color:var(--cyan)}

/* ---------- 表单 ---------- */
.grid-form{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:end}
.gf-field{display:flex;flex-direction:column;gap:7px}
.gf-field span{font-size:12px;color:var(--text-dim)}
.gf-field input,.gf-field select,.gf-field textarea{
    padding:10px 12px;border-radius:9px;border:1px solid var(--line);
    background:rgba(0,0,0,.25);color:var(--text);font-size:13px;outline:none;font-family:inherit;
}
.gf-field input:focus,.gf-field select:focus,.gf-field textarea:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(0,229,255,.1)}
.gf-field select option{background:#0d162d}
.gf-check{justify-content:flex-end;padding-bottom:6px;color:var(--text-dim);font-size:13px}
.gf-check input{width:16px;height:16px;accent-color:var(--cyan)}
.gf-actions{display:flex;gap:10px;grid-column:1/-1}

.flash{
    border-radius:10px;padding:12px 16px;font-size:13px;
}
.flash.ok{background:rgba(53,240,160,.1);border:1px solid rgba(53,240,160,.4);color:var(--green)}
.flash.err{background:rgba(255,92,122,.1);border:1px solid rgba(255,92,122,.4);color:#ff8fa3}

/* ---------- 图表组件 ---------- */
.bar-item{margin-bottom:14px}
.bar-head{display:flex;justify-content:space-between;font-size:13px;color:var(--text-dim);margin-bottom:6px}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--purple),var(--cyan));box-shadow:0 0 10px rgba(0,229,255,.4)}
.rank-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.05)}
.rank-row:last-child{border-bottom:none}
.rank-no{width:24px;height:24px;border-radius:6px;background:rgba(0,229,255,.1);border:1px solid var(--line);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:12px}
.rank-name{flex:1;color:var(--text)}
.rank-amt{color:var(--cyan);font-weight:600}

/* ---------- 弹窗 ---------- */
.modal-mask{
    position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
    background:rgba(3,6,12,.82);backdrop-filter:blur(6px);
}
.modal-mask.show{display:flex}
.modal{width:560px;max-width:94vw;max-height:88vh;overflow-y:auto}
.detail-meta{font-size:13px;color:var(--text-dim);margin-bottom:14px;line-height:1.9}
.detail-total{text-align:right;font-size:14px;color:var(--text-dim);padding:12px 0;border-top:1px dashed var(--line);margin-bottom:14px}
.detail-total strong{color:var(--cyan);font-size:18px;font-family:var(--font-head)}
.review-info p{display:flex;gap:14px;padding:6px 0;font-size:13px;border-bottom:1px dashed rgba(255,255,255,.05)}
.review-info span{width:76px;color:#5f739b;flex-shrink:0}
.review-info b{color:var(--text);font-weight:500}
.review-actions{display:flex;gap:10px;margin-top:6px}
.form-tip{font-size:12px;color:#5f739b}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
    .stat-cards{grid-template-columns:repeat(2,1fr)}
    .panel-grid{grid-template-columns:1fr}
    .grid-form{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
    .sidebar{display:none}
    .stat-cards{grid-template-columns:1fr 1fr}
    .grid-form{grid-template-columns:1fr}
    .content{padding:16px}
}