:root{
  --bg:#f4f6fb; --panel:#ffffff; --border:#e3e8f0; --text:#0f172a; --muted:#64748b;
  --side:#0f1b31; --side-text:#c7d2e5; --side-active:#1e3a63;
  --green:#16a34a; --red:#dc2626; --amber:#d97706; --blue:#2563eb; --teal:#0d9488; --gray:#94a3b8; --orange:#ea580c;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 1px 8px rgba(15,23,42,.05);
  --radius:12px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b1120;--panel:#111a2e;--border:#1e293b;--text:#e5edff;--muted:#8595b0;--side:#0a1122;--side-text:#9fb0cc;--side-active:#17233c;--shadow:none;}
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;font-size:14px}
a{color:var(--blue);text-decoration:none}
h1{font-size:19px;margin:0}
h2{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 12px;font-weight:600}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:216px;flex-shrink:0;background:var(--side);color:var(--side-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{font-weight:700;font-size:16px;color:#fff;padding:18px 18px 14px}
.sidebar nav{display:flex;flex-direction:column;padding:6px}
.sidebar nav a{color:var(--side-text);padding:10px 14px;border-radius:9px;font-weight:500;margin:1px 0}
.sidebar nav a:hover{background:rgba(255,255,255,.06)}
.sidebar nav a.active{background:var(--side-active);color:#fff}
.sidebar .side-foot{margin-top:auto;padding:14px}
main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--panel)}
.topbar .user{font-size:13px;color:var(--muted)}
.content{padding:22px 24px 60px;max-width:1120px;width:100%}
@media(max-width:720px){.sidebar{width:60px}.sidebar .brand{font-size:11px;padding:14px 8px}.sidebar nav a{font-size:0;padding:12px}.sidebar nav a::first-letter{font-size:18px}}

/* Panels & cards */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:1fr 1fr}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.kpi .n{font-size:26px;font-weight:700;line-height:1}
.kpi .l{font-size:12px;color:var(--muted);margin-top:6px}
.kpi .n.green{color:var(--green)}.kpi .n.red{color:var(--red)}.kpi .n.amber{color:var(--amber)}.kpi .n.orange{color:var(--orange)}

/* Forms */
label{display:block;font-size:13px;font-weight:600;margin:12px 0 5px}
.hint{font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],textarea,select{
  width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--text);font-family:inherit;font-size:14px}
textarea{min-height:78px;resize:vertical;line-height:1.5}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:640px){.row2,.row4{grid-template-columns:1fr 1fr}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:14px;font-weight:600;padding:9px 15px;border-radius:9px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;text-decoration:none}
.btn:hover{border-color:var(--muted)}
.btn-primary{background:var(--blue);color:#fff;border:0}
.btn-green{background:var(--green);color:#fff;border:0}
.btn-danger{background:var(--red);color:#fff;border:0}
.btn-sm{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:default}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}

/* Tables */
.tablewrap{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
td.wrap{white-space:normal}

/* Pills / badges */
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700}
.toggle{display:flex;align-items:center;gap:10px;margin:10px 0;font-size:14px;font-weight:600;cursor:pointer}
.toggle input{width:38px;height:22px;appearance:none;background:var(--border);border-radius:20px;position:relative;cursor:pointer;transition:.2s;flex-shrink:0}
.toggle input:checked{background:var(--green)}
.toggle input::after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.2s}
.toggle input:checked::after{left:19px}

/* Flash */
.flash{padding:11px 14px;border-radius:9px;font-size:13px;font-weight:600;margin-bottom:14px}
.flash.ok{background:color-mix(in srgb,var(--green) 13%,transparent);color:var(--green)}
.flash.err{background:color-mix(in srgb,var(--red) 13%,transparent);color:var(--red)}
.flash.warn{background:color-mix(in srgb,var(--amber) 14%,transparent);color:var(--amber)}

.muted{color:var(--muted)}
.banner{border-radius:10px;padding:11px 14px;font-size:13px;font-weight:600;margin-bottom:14px}
.banner.dry{background:color-mix(in srgb,var(--blue) 12%,transparent);color:var(--blue)}
.banner.real{background:color-mix(in srgb,var(--amber) 14%,transparent);color:var(--amber)}
.banner.stop{background:color-mix(in srgb,var(--red) 14%,transparent);color:var(--red)}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:30px;width:360px;max-width:100%}
.login-card .brand{font-size:20px;font-weight:700;margin-bottom:4px}

/* WhatsApp preview */
.wa{background:#e5ddd5;border-radius:12px;padding:16px}
@media(prefers-color-scheme:dark){.wa{background:#0b141a}}
.bubble{background:var(--panel);border-radius:8px 8px 8px 2px;padding:10px 12px;max-width:85%;box-shadow:0 1px 1px rgba(0,0,0,.12);font-size:14px;line-height:1.45}
.bubble .foot{font-size:11px;color:var(--muted);margin-top:6px}
.wabtns{margin-top:6px;display:flex;flex-direction:column;gap:5px;max-width:85%}
.wabtn{background:var(--panel);border-radius:8px;padding:9px;text-align:center;color:#0ea5e9;font-weight:600;font-size:14px;box-shadow:0 1px 1px rgba(0,0,0,.12)}