:root{--ink:#12141f;--ink2:#1b1e2d;--line:#e6e8f0;--bg:#f4f5f9;--card:#fff;--text:#1f2433;--muted:#6b7285;--or:#ff8a00;--red:#ff2a1a;--grad:linear-gradient(135deg,#ff9a00,#ff3a1a);--ok:#12a150;--bad:#d92d20;--r:12px}
*{box-sizing:border-box}
html,body{margin:0}
body{font:15px/1.55 "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:#d9480f;text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0;line-height:1.25;color:var(--ink)}h3{font-size:17px;margin-bottom:12px}
.muted{color:var(--muted)}small{font-weight:400}
code{background:#f1f2f7;padding:1px 6px;border-radius:5px;font-size:13px}
.ic{width:19px;height:19px;flex:none}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:9px;padding:9px 16px;font:600 14px inherit;font-family:inherit;cursor:pointer;background:#fff;color:var(--ink);text-decoration:none!important;transition:.15s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(255,90,20,.28)}.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{border-color:var(--line);background:#fff}.btn-ghost:hover{background:#f7f8fb}
.btn-danger{background:#fff;color:var(--bad);border-color:#f4c7c2}.btn-danger:hover{background:#fff4f3}
.btn-light{background:#fff;color:var(--ink)}.btn-white{background:#fff;color:#c2410c}
.btn-sm{padding:6px 11px;font-size:13px}.btn-lg{padding:13px 24px;font-size:16px}.block{width:100%}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--or);outline-offset:2px}
/* forms */
.form{display:flex;flex-direction:column;gap:14px}.form.inline{flex-direction:row;align-items:center;gap:8px;flex-wrap:wrap}
label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:13.5px;color:#39405a}
input,select,textarea{font:inherit;font-weight:400;color:var(--text);background:#fff;border:1px solid #d7dae6;border-radius:9px;padding:10px 12px;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--or);box-shadow:0 0 0 3px rgba(255,138,0,.15);outline:0}
input:disabled{background:#f3f4f8;color:#8a90a3}
.form.inline input{flex:1;min-width:140px;width:auto}.form.inline select{width:auto}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.three{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.hint{font-size:13px;color:var(--muted);margin:0}.actions{display:flex;gap:10px;flex-wrap:wrap}
.check{flex-direction:row;align-items:center;gap:9px;font-weight:500;cursor:pointer}.check input,.chip input{width:auto}
.check.big{font-size:15px;font-weight:600;margin-bottom:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{flex-direction:row;cursor:pointer}.chip input{position:absolute;opacity:0}
.chip span{border:1px solid #d7dae6;border-radius:999px;padding:6px 14px;font-weight:600;background:#fff}
.chip small{color:var(--muted);margin-left:4px}
.chip input:checked+span{background:var(--grad);color:#fff;border-color:transparent}.chip input:checked+span small{color:#ffe4d0}
.chip input:focus-visible+span{outline:2px solid var(--or);outline-offset:2px}
/* alerts, badges */
.alert{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-size:14px;border:1px solid}
.alert.success{background:#ecfdf3;border-color:#a6e9c3;color:#0b6b36}.alert.error{background:#fef3f2;border-color:#fbc9c4;color:#a2231a}.alert.info{background:#fff7ed;border-color:#fed7aa;color:#9a3412}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#eef0f6;color:#555d75}
.badge.ok{background:#e3f8ec;color:#0b6b36}.badge.bad{background:#fde8e6;color:#a2231a}.badge.wait{background:#fff0dc;color:#a15200}
.tag{background:#fff0e0;color:#b45309;padding:2px 10px;border-radius:6px;font-size:12.5px;font-weight:600}
/* app shell */
.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--ink);color:#c9cde0;display:flex;flex-direction:column;z-index:30;transition:transform .2s}
.brand{display:block;padding:22px 20px 14px;text-decoration:none!important}.brand img{width:100%;max-width:190px;display:block}
.brand span{display:block;margin-top:6px;font-size:12.5px;color:#8d93ad;letter-spacing:.02em}
.sidebar nav{padding:10px 12px;display:flex;flex-direction:column;gap:2px;flex:1}
.sidebar nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;color:#c9cde0;font-weight:500;text-decoration:none}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.on{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 4px 14px rgba(255,90,20,.3)}
.side-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08)}
.who{display:flex;flex-direction:column;margin-bottom:10px;overflow:hidden}.who b{color:#fff;font-size:14px}.who small{color:#8d93ad;overflow:hidden;text-overflow:ellipsis}
.logout{display:flex;align-items:center;gap:8px;color:#c9cde0;font-size:14px}
.main{margin-left:250px;min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:20px 28px 0}.topbar h1{font-size:24px}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px;cursor:pointer;color:var(--ink)}
.content{padding:18px 28px 28px;flex:1;max-width:1200px;width:100%}
.foot{padding:16px 28px;color:var(--muted);font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:18px;box-shadow:0 1px 2px rgba(18,20,31,.04)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.card-head h3{margin:0}.card-head.wrap{flex-wrap:wrap}
.card-head select{width:auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.welcome{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--grad);color:#fff;border-radius:var(--r);padding:24px 26px;margin-bottom:18px}
.welcome h2{color:#fff;font-size:22px}.welcome p{margin:4px 0 0;opacity:.95}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stats.mini{margin:6px 0 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;border-left:4px solid var(--or)}
.stat span{display:block;color:var(--muted);font-size:13px}.stat b{font-size:26px;color:var(--ink)}.stat b.sm{font-size:20px}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:12.5px;color:var(--muted);font-weight:600;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid #f0f1f6;vertical-align:middle}tr:last-child td{border-bottom:0}
.chk{width:34px}.chk input{width:auto}
.row-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.row-actions form{margin:0}
.empty{text-align:center;padding:30px 10px;color:var(--muted)}.empty .btn{margin-top:6px}
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:8px 16px;border-radius:9px;background:#fff;border:1px solid var(--line);color:var(--text);font-weight:600;text-decoration:none}
.tabs a.on{background:var(--ink);color:#fff;border-color:var(--ink)}.tabs.flat{margin-bottom:10px}
.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.filters form{display:flex;gap:8px;margin:0}.filters input{width:210px}.filters select{width:auto}
.bulkbar{display:flex;gap:8px;align-items:center;margin-bottom:8px;flex-wrap:wrap}.bulkbar select{width:auto}
.pager{display:flex;gap:6px;justify-content:center;margin-top:14px}
.pager a{padding:6px 12px;border:1px solid var(--line);border-radius:8px;color:var(--text)}.pager a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.send-box{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.send-box p{margin:2px 0 0}
.progress-card{max-width:720px}.bar{height:12px;background:#eceef5;border-radius:99px;overflow:hidden;margin:14px 0}
.bar i{display:block;height:100%;background:var(--grad);transition:width .4s}
/* rich text editor */
.rte{border:1px solid #d7dae6;border-radius:10px;overflow:hidden;background:#fff}
.rte-bar{display:flex;flex-wrap:wrap;gap:4px;padding:8px;background:#f6f7fb;border-bottom:1px solid var(--line);align-items:center}
.rte-bar button,.rte-color{border:1px solid transparent;background:transparent;border-radius:7px;padding:5px 9px;font:600 13px inherit;font-family:inherit;cursor:pointer;color:var(--ink)}
.rte-bar button:hover,.rte-color:hover{background:#fff;border-color:var(--line)}
.rte-color{display:inline-flex;flex-direction:row;align-items:center;gap:4px;position:relative}.rte-color input{width:22px;height:22px;padding:0;border:0;background:none}
.grow{flex:1}.rte-area{min-height:240px;padding:16px;outline:0;line-height:1.6}.rte-area:focus{box-shadow:inset 0 0 0 2px rgba(255,138,0,.25)}
.rte-text{display:none;border:0;border-radius:0;min-height:260px;font:13px/1.5 Consolas,Menlo,monospace;resize:vertical}
.rte.source .rte-area{display:none}.rte.source .rte-text{display:block}
/* auth / install / landing */
.auth-body{background:var(--ink)}
.auth{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.auth-art{padding:56px 60px;color:#c9cde0;background:radial-gradient(900px 500px at 0 0,rgba(255,120,20,.28),transparent 60%),var(--ink);display:flex;flex-direction:column;justify-content:center}
.auth-art img{width:260px;max-width:100%;margin-bottom:36px}
.auth-art h2{color:#fff;font-size:34px;max-width:15ch;margin-bottom:14px}.auth-art p{max-width:46ch;font-size:16px}
.auth-art ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.auth-art li{padding-left:22px;position:relative;color:#aab0c9}.auth-art li:before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--grad)}
.auth-form{background:var(--bg);display:flex;align-items:center;justify-content:center;padding:32px 20px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;width:100%;max-width:480px;box-shadow:0 10px 40px rgba(18,20,31,.08)}
.auth-card h3{font-size:22px;margin-bottom:6px}.auth-card .muted{margin:0 0 18px}.alt{text-align:center;margin:16px 0 0;color:var(--muted)}
.install{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:radial-gradient(800px 400px at 50% 0,rgba(255,120,20,.25),transparent 60%),var(--ink)}
.install-head{text-align:center;margin-bottom:20px;color:#aab0c9}.install-head img{width:240px;max-width:80%}
.landing{background:var(--ink);color:#c9cde0;min-height:100vh}
.l-nav{display:flex;justify-content:space-between;align-items:center;padding:22px 6vw}.l-nav img{width:170px}.l-nav nav{display:flex;gap:18px;align-items:center}.l-nav nav a:not(.btn){color:#fff;font-weight:600}
.hero{padding:9vh 6vw 8vh;max-width:900px;background:radial-gradient(700px 360px at 10% 0,rgba(255,120,20,.25),transparent 65%)}
.hero h1{color:#fff;font-size:clamp(32px,5.4vw,58px);max-width:16ch;margin-bottom:18px}.hero p{font-size:18px;max-width:52ch;color:#b4bad3}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:0 6vw 8vh}
.feat div{border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:20px;background:rgba(255,255,255,.03)}.feat h3{color:#fff;font-size:16px}.feat p{margin:0;color:#9aa1bd;font-size:14px}
.l-foot{padding:24px 6vw;color:#7b829e;font-size:13px;border-top:1px solid rgba(255,255,255,.08)}
@media(max-width:960px){.stats,.feat{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}.auth{grid-template-columns:1fr}.auth-art{padding:32px 28px}.auth-art h2{font-size:26px}.auth-art ul{display:none}}
@media(max-width:860px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.45)}.main{margin-left:0}.menu-toggle{display:inline-flex}.topbar,.content{padding-left:16px;padding-right:16px}}
@media(max-width:560px){.two,.three,.stats,.feat{grid-template-columns:1fr}.filters input{width:100%}.auth-card{padding:22px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}