:root{--primary:#175cd3;--dark:#102a43;--bg:#f5f7fb;--line:#d8e0ea;--ok:#087a55;--danger:#b42318;--warning:#8a4b08}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:#243b53}.topbar{background:var(--dark);color:#fff;padding:14px 5%;display:flex;justify-content:space-between;align-items:center}.brand{color:#fff;text-decoration:none;font-weight:800;font-size:22px}.userbox{display:flex;gap:12px;align-items:center;font-size:13px}.userbox a{color:#fff}.nav{background:#fff;border-bottom:1px solid var(--line);padding:9px 4%;display:flex;gap:5px;flex-wrap:wrap}.nav a{padding:9px 11px;text-decoration:none;color:#334e68;border-radius:7px}.nav a:hover,.nav a.active{background:#eaf1ff;color:var(--primary)}.container{width:min(1180px,92%);margin:24px auto}.footer{text-align:center;padding:28px;color:#627d98}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 3px 12px rgba(16,42,67,.05)}.metric{font-size:30px;font-weight:800;color:var(--primary)}h1,h2,h3{color:var(--dark)}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.btn{display:inline-block;border:0;border-radius:8px;background:var(--primary);color:#fff;padding:10px 14px;text-decoration:none;cursor:pointer;font-weight:700}.btn.secondary{background:#526d82}.btn.danger{background:var(--danger)}.btn.success{background:var(--ok)}.btn.small{padding:7px 9px;font-size:12px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .full{grid-column:1/-1}label{display:block;font-weight:700;margin-bottom:6px}input,select,textarea{width:100%;padding:10px;border:1px solid #bcccdc;border-radius:8px;background:#fff}textarea{min-height:90px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:11px 12px;border-bottom:1px solid #e9eef4;text-align:left;vertical-align:top}th{background:#eef3f8;color:#334e68;font-size:13px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700;background:#eaf1ff;color:#175cd3}.badge.active,.badge.paid{background:#e6f6ef;color:#087a55}.badge.pending,.badge.partial{background:#fff4e5;color:#8a4b08}.badge.inactive,.badge.cancelled{background:#fdecec;color:#b42318}.alert{padding:12px 14px;border-radius:8px;margin-bottom:14px}.alert.success{background:#e6f6ef;color:#087a55}.alert.error{background:#fdecec;color:#b42318}.alert.warning{background:#fff4e5;color:#8a4b08}.login-shell{min-height:70vh;display:grid;place-items:center}.login-card{width:min(430px,100%)}.muted{color:#627d98}.actions{display:flex;gap:6px;flex-wrap:wrap}.text-right{text-align:right}.whatsapp{background:#15803d}.empty{padding:24px;text-align:center;color:#627d98}@media(max-width:720px){.form-grid{grid-template-columns:1fr}.userbox span{display:none}.container{width:95%}}

/* Identidad visual configurable */
.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-logo{width:48px;height:48px;object-fit:contain;border-radius:9px;background:#fff;padding:3px;flex:0 0 auto}.brand-copy{display:flex;flex-direction:column;min-width:0}.brand-copy strong{color:#fff;font-size:21px;line-height:1.15}.brand-copy small{color:#d9e2ec;font-size:12px;font-weight:400;line-height:1.25;margin-top:3px;max-width:560px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.login-brand{text-align:center}.login-site-name{font-size:14px;font-weight:800;color:var(--primary);text-transform:uppercase;letter-spacing:.04em}.settings-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:16px;align-items:start}.field-help{display:block;color:#627d98;font-size:12px;margin-top:6px}.check-row{display:flex;align-items:center;gap:8px;margin-top:10px;font-weight:400}.check-row input{width:auto}.brand-preview{background:var(--dark);color:#fff;border-radius:10px;padding:18px;display:flex;gap:14px;align-items:center}.brand-preview img{width:72px;height:72px;object-fit:contain;background:#fff;border-radius:10px;padding:5px}.brand-preview strong{display:block;font-size:20px}.brand-preview p{margin:5px 0 0;color:#d9e2ec;font-size:13px}.logo-placeholder{width:72px;height:72px;border-radius:10px;border:1px dashed #9fb3c8;display:grid;place-items:center;font-size:12px;color:#bcccdc}.favicon-preview{display:flex;align-items:center;gap:10px;margin-top:16px;padding:12px;border:1px solid var(--line);border-radius:9px}.favicon-preview img{width:32px;height:32px;object-fit:contain}.preview-card{position:sticky;top:16px}
@media(max-width:850px){.settings-layout{grid-template-columns:1fr}.preview-card{position:static}.brand-copy small{max-width:280px}}@media(max-width:560px){.topbar{align-items:flex-start;gap:10px}.brand-logo{width:40px;height:40px}.brand-copy strong{font-size:18px}.brand-copy small{max-width:180px}.userbox{flex-direction:column;align-items:flex-end;gap:3px}}