:root{
  --bg:#f4f6f8;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#18202a;
  --muted:#667085;
  --line:#e5e7eb;
  --primary:#111827;
  --primary-2:#374151;
  --accent:#2563eb;
  --danger:#b42318;
  --danger-bg:#fef3f2;
  --success:#067647;
  --success-bg:#ecfdf3;
  --warning:#b54708;
  --warning-bg:#fffaeb;
  --radius:14px;
  --shadow:0 10px 28px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}
.sidebar{background:#111827;color:#fff;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 22px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:14px}
.brand-logo{width:42px;height:42px;border-radius:12px;background:#fff;color:#111827;display:grid;place-items:center;font-weight:900;letter-spacing:-1px}
.brand h1{font-size:15px;margin:0}.brand small{color:#aab2c0;display:block;margin-top:3px}
.nav{display:flex;flex-direction:column;gap:4px}
.nav button{border:0;background:transparent;color:#cbd5e1;text-align:left;padding:11px 12px;border-radius:10px;display:flex;align-items:center;gap:10px}
.nav button:hover,.nav button.active{background:#232e40;color:#fff}.nav .locked{opacity:.55}
.sidebar-footer{margin-top:auto;padding:15px 8px 0;border-top:1px solid rgba(255,255,255,.09)}
.plan-pill{display:inline-flex;align-items:center;gap:6px;background:#233047;border:1px solid #344158;padding:5px 9px;border-radius:999px;font-size:12px;color:#e5e7eb}
.main{min-width:0}
.topbar{height:70px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}
.topbar h2{font-size:18px;margin:0}.top-actions{display:flex;align-items:center;gap:10px}.user-dot{width:36px;height:36px;border-radius:50%;background:#eef2f7;display:grid;place-items:center;font-weight:700;color:#344054}
.content{padding:28px;max-width:1550px;margin:auto}
.section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:20px}.section-head h3{font-size:26px;margin:0 0 5px}.section-head p{margin:0;color:var(--muted)}
.btn{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:10px;color:#344054;font-weight:650}.btn:hover{background:#f8fafc}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.danger{color:var(--danger);background:#fff;border-color:#fecdca}.btn.small{padding:7px 10px;font-size:13px}
.grid{display:grid;gap:16px}.metrics{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.metric{padding:18px}.metric .label{font-size:13px;color:var(--muted);font-weight:650}.metric .value{font-size:28px;font-weight:800;margin-top:8px;letter-spacing:-.5px}.metric .sub{font-size:12px;color:var(--muted);margin-top:5px}
.row-2{grid-template-columns:1.6fr 1fr}.panel{padding:20px}.panel h4{margin:0 0 14px;font-size:16px}.chart{height:220px;display:flex;align-items:flex-end;gap:8px;padding:18px 4px 0;border-top:1px solid #f1f3f5}.bar{flex:1;min-width:8px;background:#dbe4f0;border-radius:7px 7px 2px 2px;position:relative;transition:.2s}.bar:hover{background:#bac8da}.bar span{position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);font-size:10px;color:#98a2b3}
.mini-list{display:flex;flex-direction:column}.mini-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #f0f2f5}.mini-item:last-child{border-bottom:0}.mini-item strong{font-size:14px}.mini-item small{display:block;color:var(--muted);margin-top:3px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.tabs{display:inline-flex;background:#eef2f6;padding:4px;border-radius:10px}.tabs button{border:0;background:transparent;padding:8px 13px;border-radius:8px;color:#667085;font-weight:700}.tabs button.active{background:#fff;color:#111827;box-shadow:0 1px 3px rgba(16,24,40,.08)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}.data-table{border-collapse:collapse;width:100%;min-width:1050px}.data-table th{position:sticky;top:0;background:#f8fafc;color:#667085;text-align:left;font-size:12px;padding:11px 10px;border-bottom:1px solid var(--line);white-space:nowrap}.data-table td{padding:9px 10px;border-bottom:1px solid #eef1f4;font-size:13px;vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table tr:hover td{background:#fbfcfd}.data-table input,.data-table select{width:100%;min-width:85px;border:1px solid #d8dde5;border-radius:8px;padding:7px 8px;background:#fff}.data-table input:focus,.data-table select:focus{outline:2px solid #bfdbfe;border-color:#60a5fa}.new-row td{background:#fcfdff}.new-row td:first-child{border-left:3px solid #2563eb}.money{text-align:right;font-variant-numeric:tabular-nums}.status{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:750;white-space:nowrap}.status.paid{background:var(--success-bg);color:var(--success)}.status.pending{background:var(--warning-bg);color:var(--warning)}.status.active{background:#eff6ff;color:#1d4ed8}.status.cancel{background:var(--danger-bg);color:var(--danger)}
.daily-summary{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.summary-chip{background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:13px;color:#667085}.summary-chip strong{color:#111827;margin-left:6px}
.form-card{padding:20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:750;color:#475467}.field input,.field textarea,.field select{border:1px solid #d8dde5;border-radius:9px;padding:10px 11px;background:#fff}.field textarea{min-height:90px;resize:vertical}
.clients-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.client-detail{padding:20px;position:sticky;top:94px;height:fit-content}.empty{padding:34px;text-align:center;color:#98a2b3}
.public-preview{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.hero{min-height:260px;background:linear-gradient(135deg,#111827,#334155);color:#fff;padding:36px;display:flex;align-items:end}.hero h1{font-size:38px;margin:0 0 8px}.hero p{margin:0;color:#d7dde6;max-width:720px}.public-body{padding:26px}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.service-card{border:1px solid var(--line);border-radius:12px;padding:16px}.service-card h4{margin:0 0 7px}.service-card p{color:var(--muted);font-size:13px;min-height:38px}.service-card .price{font-weight:800;font-size:18px}
.notice{padding:12px 14px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;color:#1e40af;font-size:13px;margin-bottom:15px}.lockbox{padding:16px;border:1px dashed #cbd5e1;border-radius:12px;background:#f8fafc;color:#667085}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.42);display:grid;place-items:center;padding:20px;z-index:20}.modal{background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(15,23,42,.22);width:min(720px,100%);max-height:90vh;overflow:auto;padding:22px}.modal h3{margin:0 0 16px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
@media(max-width:1100px){.shell{grid-template-columns:210px 1fr}.metrics{grid-template-columns:repeat(2,1fr)}.row-2,.clients-grid{grid-template-columns:1fr}.client-detail{position:static}.service-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.shell{display:block}.sidebar{position:relative;height:auto;padding:12px}.brand{padding-bottom:10px}.nav{display:grid;grid-template-columns:repeat(3,1fr)}.nav button{font-size:12px;padding:9px}.sidebar-footer{display:none}.topbar{top:0;height:58px;padding:0 14px}.content{padding:16px}.section-head{align-items:start;flex-direction:column}.metrics{grid-template-columns:1fr 1fr}.metric .value{font-size:22px}.service-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.hero{min-height:210px;padding:24px}.hero h1{font-size:29px}}

/* MVP 2: autenticación / estados de conexión */
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f4f6f8}
.auth-card{width:min(480px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.auth-card h1{margin:0 0 6px;font-size:26px}.auth-card>p{margin:0 0 20px;color:var(--muted)}
.auth-tabs{display:flex;gap:6px;background:#eef2f6;padding:4px;border-radius:10px;margin-bottom:18px}.auth-tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font-weight:750;color:#667085}.auth-tabs button.active{background:#fff;color:#111827;box-shadow:0 1px 3px rgba(16,24,40,.08)}
.stack{display:flex;flex-direction:column;gap:12px}.stack .field input{width:100%}.auth-error{padding:10px 12px;background:#fef3f2;border:1px solid #fecdca;color:#b42318;border-radius:9px;font-size:13px;display:none}.auth-note{padding:10px 12px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;border-radius:9px;font-size:13px}
.sync-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#12b76a;margin-right:6px}.sync-dot.local{background:#f79009}.sync-dot.error{background:#f04438}
.loading-screen{min-height:100vh;display:grid;place-items:center;color:#667085;font-weight:700}.spinner{width:26px;height:26px;border:3px solid #e5e7eb;border-top-color:#111827;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;right:20px;bottom:20px;background:#111827;color:#fff;padding:11px 14px;border-radius:10px;box-shadow:0 12px 30px rgba(15,23,42,.22);z-index:40;font-size:13px}.toast.error{background:#b42318}

.google-auth{width:100%;justify-content:center;background:#fff;border:1px solid #d0d5dd;color:#344054;margin-bottom:14px;font-weight:750}.google-auth:hover{background:#f9fafb}.google-g{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;font-weight:900;color:#4285f4;background:#fff;font-family:Arial,sans-serif}.auth-divider{display:flex;align-items:center;gap:10px;color:#98a2b3;font-size:12px;margin:0 0 14px}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:#e4e7ec;flex:1}.auth-divider span{padding:0 2px}