:root{--brand:#16b8ad;--brand-dark:#087f7a;--ink:#17252d;--muted:#75828a;--bg:#f4f7f8;--line:#e8edef;--card:#fff;--danger:#ef5b62}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand-dark);text-decoration:none}button,input,select,textarea{font:inherit}
.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:linear-gradient(180deg,#0f766e,#128a82);color:#fff;padding:22px 16px;flex-shrink:0}
.brand{font-size:18px;font-weight:750;margin:0 8px 28px;line-height:1.35}.brand small{display:block;opacity:.72;font-size:12px;font-weight:600;margin-top:4px}
.nav a{display:block;padding:11px 12px;border-radius:12px;color:rgba(255,255,255,.86);margin-bottom:4px;font-size:14px;font-weight:600}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.16);color:#fff}
.main{flex:1;padding:22px 28px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.topbar h1{margin:0;font-size:22px}.userbox{color:var(--muted);font-size:13px}
.card{background:var(--card);border:1px solid rgba(221,229,232,.9);border-radius:18px;padding:18px;box-shadow:0 5px 18px rgba(31,65,73,.05)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat{padding:18px}.stat b{display:block;font-size:28px;margin-top:8px;color:var(--brand-dark)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
input,select{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff}
.btn{border:0;border-radius:12px;padding:10px 14px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}
.btn.secondary{background:#e8f7f5;color:var(--brand-dark)}.btn.danger{background:#ffe8ea;color:var(--danger)}
table{width:100%;border-collapse:collapse}th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:middle}
th{color:var(--muted);font-weight:650}img.thumb{width:48px;height:48px;border-radius:12px;object-fit:cover;background:#eef3f3}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 12% 12%,#ffe8db 0,transparent 28%),radial-gradient(circle at 88% 84%,#cff5ed 0,transparent 30%),#e9f6fb}
.login-card{width:400px;max-width:92vw;background:#fff;border-radius:24px;padding:28px;box-shadow:0 18px 40px rgba(22,80,90,.12)}
.login-card h1{margin:0 0 6px;font-size:24px}.login-card p{margin:0 0 20px;color:var(--muted);font-size:13px}
.field{margin-bottom:12px}.field label{display:block;font-size:12px;color:var(--muted);font-weight:650;margin-bottom:6px}
.field input{width:100%}.pager{margin-top:14px}.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:#e8f7f5;color:var(--brand-dark);font-size:12px;font-weight:700}
.badge.off{background:#f1f3f4;color:#8a949a}.grid-images{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.grid-images .item{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}.grid-images img{width:100%;height:110px;object-fit:cover;display:block}
.grid-images .meta{padding:8px;font-size:12px;color:var(--muted)}

/* actions — do not set display:flex on td (breaks table layout) */
.ops{white-space:nowrap}
.ops a,.ops button.link{border:0;background:none;padding:0;margin:0 10px 0 0;color:var(--brand-dark);font-weight:650;cursor:pointer;font-size:13px;line-height:1.4;vertical-align:middle}
.ops a:last-child,.ops button.link:last-child{margin-right:0}
.ops a.danger,.ops button.link.danger{color:var(--danger)}
.ops a:hover,.ops button.link:hover{opacity:.78}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(15,35,40,.42);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px;backdrop-filter:blur(2px)}
.modal-mask.show{display:flex}
.modal{width:520px;max-width:100%;max-height:min(88vh,760px);overflow:auto;background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(18,55,62,.22);padding:22px 22px 18px;animation:modalIn .18s ease}
.modal.sm{width:420px}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.modal-head h3{margin:0;font-size:18px}
.modal-close{width:32px;height:32px;border:0;border-radius:10px;background:#f1f5f6;color:#5b6a72;cursor:pointer;font-size:18px;line-height:1}
.modal-close:hover{background:#e6ecee}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;padding-top:4px}
.modal .field input,.modal .field select,.modal .field textarea{width:100%}
@keyframes modalIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}

/* confirm / alert */
.confirm-body,.alert-body{color:var(--muted);font-size:14px;line-height:1.65;margin:0 0 4px;word-break:break-word;white-space:pre-wrap}
.alert-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:22px;font-weight:700;margin:0 auto 14px;line-height:1}
.alert-icon.success{background:#e8f7f5;color:var(--brand-dark)}
.alert-icon.error{background:#ffe8ea;color:var(--danger)}
.alert-icon.info{background:#eef3f6;color:#5b6a72}
.modal.alert-modal{width:400px;text-align:center}
.modal.alert-modal .modal-head{justify-content:center;margin-bottom:8px}
.modal.alert-modal .modal-head h3{font-size:17px}
.modal.alert-modal .modal-foot{justify-content:center}
.modal.alert-modal .modal-close{position:absolute;top:14px;right:14px}
.modal.alert-modal{position:relative}

/* upload */
.upload-box{display:flex;gap:14px;align-items:stretch}
.upload-preview-wrap{width:88px;height:88px;border-radius:14px;background:#eef3f3;border:1px dashed #c5d6d8;flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;color:#9aabaf;font-size:12px}
.upload-preview-wrap::before{content:"暂无样图"}
.upload-preview-wrap.has-image{border-style:solid;border-color:var(--line)}
.upload-preview-wrap.has-image::before{display:none}
.upload-preview{width:100%;height:100%;object-fit:cover;display:none;background:#eef3f3}
.upload-preview-wrap.has-image .upload-preview{display:block}
.upload-drop{flex:1;min-height:88px;border:1.5px dashed #c5d6d8;border-radius:14px;background:#f7fbfb;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:12px;cursor:pointer;transition:.15s ease;text-align:center;position:relative}
.upload-drop:hover,.upload-drop.dragover,.upload-box.dragover .upload-drop{border-color:var(--brand);background:#eefaf8}
.upload-drop strong{font-size:13px;color:var(--brand-dark);font-weight:700}
.upload-drop span{font-size:12px;color:var(--muted)}
.upload-drop input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-inline{display:inline-flex;align-items:center;gap:10px}
.upload-btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:8px}
.upload-btn input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-name{font-size:12px;color:var(--muted);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media(max-width:960px){.stats{grid-template-columns:1fr 1fr}.sidebar{width:200px}}