:root{--bg1:rgba(255,255,255,.12);--bg2:rgba(255,255,255,.22);--stroke:rgba(255,255,255,.22);--txt:rgba(255,255,255,.92);--muted:rgba(255,255,255,.68);--shadow:0 20px 50px rgba(0,0,0,.28);--radius:20px}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial;}
body{min-height:100vh;background:radial-gradient(1200px 600px at 10% 10%, rgba(120,210,255,.38), transparent),radial-gradient(900px 500px at 90% 20%, rgba(255,120,200,.32), transparent),radial-gradient(1100px 700px at 50% 100%, rgba(120,255,180,.18), transparent), #0b1220;color:var(--txt)}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:22px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--stroke);background:linear-gradient(180deg,var(--bg2),var(--bg1));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:var(--radius);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}
.logo{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,255,255,.15));border:1px solid rgba(255,255,255,.35)}
.navlinks{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.badge{font-size:12px;padding:7px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.10)}
.badge.primary{background:rgba(120,210,255,.18);border-color:rgba(120,210,255,.35)}
.btn{cursor:pointer;border:none;border-radius:14px;padding:10px 14px;font-weight:600;color:var(--txt);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);transition:transform .08s ease, background .2s ease}
.btn:hover{background:rgba(255,255,255,.18)}
.btn:active{transform:scale(.98)}
.btn.primary{background:linear-gradient(135deg, rgba(120,210,255,.35), rgba(255,255,255,.12));border-color:rgba(120,210,255,.35)}
.grid{display:grid;gap:16px}
.hero{margin-top:18px;padding:26px;border:1px solid var(--stroke);border-radius:var(--radius);background:linear-gradient(180deg,var(--bg2),rgba(255,255,255,.08));backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.hero h1{margin:0 0 10px;font-size:34px;line-height:1.15}
.hero p{margin:0;color:var(--muted)}
.card{padding:18px;border:1px solid var(--stroke);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.08));backdrop-filter:blur(18px);box-shadow:0 12px 30px rgba(0,0,0,.22)}
.card h2{margin:0 0 10px;font-size:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row.cols3{grid-template-columns:repeat(3,1fr)}
.form-row.cols2{grid-template-columns:1fr 1fr}
@media (max-width:720px){.form-row{grid-template-columns:1fr}.form-row.cols2{grid-template-columns:1fr}.form-row.cols3{grid-template-columns:1fr}.hero h1{font-size:28px}}
.input,select,textarea{width:100%;padding:12px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.20);background:rgba(10,16,28,.35);color:var(--txt);outline:none}
textarea{min-height:120px;resize:vertical}
.small{font-size:12px;color:var(--muted)}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:720px){.kpi{grid-template-columns:1fr}}
.kpi .box{padding:14px;border-radius:18px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08)}
.kpi .val{font-size:22px;font-weight:800}
.kpi .lbl{font-size:12px;color:var(--muted)}
.drop{position:relative;border:1.5px dashed rgba(255,255,255,.32);border-radius:22px;padding:18px;text-align:center;background:rgba(255,255,255,.06)}
.file-overlay{position:absolute;inset:0;opacity:0;cursor:pointer;pointer-events:none;}
.drop.drag{background:rgba(120,210,255,.10);border-color:rgba(120,210,255,.55)}
.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th{font-size:12px;text-align:left;color:var(--muted);padding:0 10px}
.table td{padding:14px 10px;background:rgba(255,255,255,.08);border-top:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14)}
.table tr td:first-child{border-left:1px solid rgba(255,255,255,.14);border-top-left-radius:14px;border-bottom-left-radius:14px}
.table tr td:last-child{border-right:1px solid rgba(255,255,255,.14);border-top-right-radius:14px;border-bottom-right-radius:14px}
.toast{position:fixed;right:16px;bottom:16px;max-width:360px;z-index:9999}
.toast .t{margin-top:10px;padding:12px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.22);background:rgba(0,0,0,.35);backdrop-filter:blur(16px)}
.footer{margin:22px 0 6px;color:rgba(255,255,255,.55);text-align:center;font-size:12px}

.progress{height:10px;border-radius:999px;overflow:hidden;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.progress .bar{height:100%;width:0%;background:linear-gradient(90deg, rgba(120,210,255,.55), rgba(255,120,200,.35));transition:width .15s ease}


/* Floating feature suggestion button */
.fab-suggest{position:fixed;left:18px;bottom:18px;z-index:9998;display:inline-flex;align-items:center;justify-content:center;padding:12px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:linear-gradient(180deg,rgba(255,255,255,.20),rgba(255,255,255,.08));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 14px 40px rgba(0,0,0,.28);font-weight:800;letter-spacing:.2px;transition:transform .12s ease, background .2s ease,border-color .2s ease}
.fab-suggest:hover{transform:translateY(-1px);background:linear-gradient(180deg,rgba(255,255,255,.26),rgba(255,255,255,.10));border-color:rgba(120,210,255,.40)}
.fab-suggest:active{transform:translateY(0) scale(.98)}
@media(max-width:720px){.fab-suggest{left:14px;bottom:14px;padding:11px 12px;font-weight:800}}


/* ------------------------------------------------------------
   Admin settings UX
------------------------------------------------------------ */
.settings-toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:12px}
.settings-toolbar .left{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn.sm{padding:8px 10px;border-radius:12px;font-size:13px}
.settings-section{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.settings-section:first-child{margin-top:0;padding-top:0;border-top:none}
.settings-section h2{margin:0 0 10px;font-size:18px}
.settings-section h3{margin:14px 0 10px;font-size:16px}
.kv-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}
.settings-advanced{margin-top:10px}
.settings-advanced summary{cursor:pointer;user-select:none;padding:10px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.settings-advanced[open] summary{background:rgba(255,255,255,.10)}
.kv-table .input{padding:10px 10px;border-radius:12px}
.kv-msg{margin-top:8px}
.kv-msg.ok{color:rgba(150,255,200,.85)}
.kv-msg.error{color:rgba(255,170,170,.92)}
.sticky-actions{position:sticky;bottom:12px;z-index:10;margin-top:18px;padding:12px 14px;border-radius:18px;border:1px solid rgba(255,255,255,.20);background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,.10));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 10px 28px rgba(0,0,0,.22);display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.settings-hint{color:rgba(255,255,255,.72)}