:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#172033;background:#eef2f7;font-synthesis:none;
}
*{box-sizing:border-box} body{margin:0} button,input,select,textarea{font:inherit} button{cursor:pointer}
.shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:#0f172a;color:white;padding:24px 18px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{font-weight:800;font-size:18px;line-height:1.2;margin-bottom:6px}.brand small{display:block;font-size:12px;font-weight:500;opacity:.72;margin-top:6px}.nav{margin-top:24px;display:grid;gap:7px}.nav button{width:100%;text-align:left;border:0;border-radius:10px;padding:10px 12px;background:transparent;color:#cbd5e1}.nav button.active{background:#1e293b;color:white;font-weight:700}
.main{padding:28px;max-width:1440px;width:100%;margin:0 auto}.topbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:20px}.topbar h1{margin:0;font-size:24px}.top-actions{display:flex;gap:8px;flex-wrap:wrap}.file-btn{display:inline-flex!important;align-items:center;gap:8px}.file-btn input{display:none}
.btn{border:0;border-radius:10px;padding:10px 14px;background:#e2e8f0;color:#0f172a;font-weight:700}.btn.primary{background:#0f172a;color:white}.btn.primary.large{padding:13px 18px;font-size:15px}.btn.danger{background:#fee2e2;color:#991b1b}.btn.ghost{background:white;border:1px solid #cbd5e1}
.card{background:white;border-radius:16px;padding:20px;box-shadow:0 1px 2px rgba(15,23,42,.06),0 8px 28px rgba(15,23,42,.04);margin-bottom:16px}.card h2,.card h3{margin-top:0}.card h2{font-size:22px}.card h3{font-size:16px;margin-top:20px}
.grid{display:grid;gap:14px}.grid.one{grid-template-columns:1fr}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.compact{margin-top:12px}
label{display:grid;gap:6px;font-size:13px;font-weight:700;color:#334155}input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:9px;padding:9px 10px;background:white;color:#0f172a}input[readonly]{background:#f8fafc;color:#475569}textarea{min-height:110px;resize:vertical}.muted{color:#64748b;font-size:13px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.top-gap{margin-top:14px}.subsection-title{font-size:13px;font-weight:800;color:#0f172a;margin:18px 0 10px;padding-top:12px;border-top:1px solid #e2e8f0}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800;background:#e2e8f0}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.badge.bad{background:#fee2e2;color:#991b1b}.badge.neutral{background:#e2e8f0;color:#475569}
.summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:14px 0}.summary.three-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.metric{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:14px}.metric strong{display:block;font-size:20px;margin-top:4px}.compact-metric{padding:10px 14px;margin:0}.compact-metric strong{font-size:18px}
.credit-card,.item-card{border:1px solid #dbe3ee;border-radius:14px;padding:16px;margin-top:12px}.item-card.generated{background:#f8fff9;border-style:dashed}.credit-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.credit-head strong{font-size:15px}.credit-head h2{margin:0}
.table-wrap{overflow:auto;border:1px solid #e2e8f0;border-radius:12px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:10px;border-bottom:1px solid #e2e8f0;text-align:left;font-size:13px;vertical-align:top}th{background:#f8fafc;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.checkbox{display:flex;align-items:center;gap:8px;font-weight:600}.checkbox input{width:auto}.checkbox.disabled{opacity:.6}.notice{border-left:4px solid #0f172a;background:#f8fafc;padding:12px 14px;border-radius:8px;font-size:13px}.notice.info{border-color:#2563eb;background:#eff6ff}.notice.warning{border-color:#d97706;background:#fffbeb}.notice.success{border-color:#16a34a;background:#f0fdf4}.hidden{display:none!important}.issues{margin:0;padding-left:20px}.issues li{margin:6px 0}
.class-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.class-tab{border:1px solid #cbd5e1;background:white;border-radius:999px;padding:8px 13px;font-weight:700;color:#475569}.class-tab.active{background:#0f172a;color:white;border-color:#0f172a}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.nav{grid-template-columns:repeat(2,minmax(0,1fr))}.main{padding:16px}.grid.two,.grid.three,.summary,.summary.three-metrics{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.card h2{font-size:19px}}

/* MVP 0.3 - constructor avanzado de propuesta */
.proposal-group-tabs{display:flex;justify-content:center;gap:26px;border-bottom:1px solid #e2e8f0;margin:20px 0 14px}
.proposal-group-tab{border:0;background:transparent;padding:10px 4px 11px;color:#475569;font-weight:700;border-bottom:2px solid transparent}
.proposal-group-tab span{display:inline-flex;min-width:20px;height:20px;align-items:center;justify-content:center;border-radius:999px;background:#e2e8f0;font-size:11px;margin-left:5px}
.proposal-group-tab.active{color:#2563eb;border-bottom-color:#2563eb}.proposal-group-tab:disabled{opacity:.42;cursor:not-allowed}
.proposal-category{border:1px solid #e2e8f0;border-radius:12px;padding:14px;background:#fbfdff}.proposal-class-status{margin-top:10px;display:flex;gap:7px;flex-wrap:wrap}
.proposal-interest-box{margin-top:16px;border:1px dashed #cbd5e1;border-radius:12px;padding:14px;background:#fcfcfd}.proposal-interest-box>strong{font-size:13px;color:#334155}
.proposal-config-card{border-top:4px solid #0f172a}.compact-notice{margin-bottom:10px}.proposal-manual{min-height:360px;line-height:1.55}
@media(max-width:900px){.proposal-group-tabs{justify-content:flex-start;overflow-x:auto}.proposal-group-tab{white-space:nowrap}}

/* MVP 0.4 - experiencia de diligenciamiento, fechas manuales y aviso inicial */
.sidebar{display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.sidebar-footer{margin-top:28px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;line-height:1.45;color:#cbd5e1}
.sidebar-footer small{display:block;margin-top:5px;color:#94a3b8}
.add-credit-bottom{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:18px 0 2px;padding-top:16px;border-top:1px dashed #cbd5e1}
.emplazamiento-box{padding:12px 14px;border:1px solid #dbe3ee;border-radius:12px;background:#fbfdff}
.date-entry{display:grid;grid-template-columns:minmax(0,1fr) 48px;gap:7px;align-items:center}
.date-entry .date-picker{padding:8px 5px;min-width:0;color:transparent;position:relative}
.date-entry .date-picker::-webkit-calendar-picker-indicator{opacity:1;cursor:pointer;width:24px;height:24px;margin:auto}
.field-hint{font-size:11px;font-weight:500;color:#64748b}
.field-error{border-color:#dc2626!important;box-shadow:0 0 0 2px rgba(220,38,38,.08)}
.welcome-overlay{position:fixed;inset:0;z-index:9999;background:rgba(15,23,42,.72);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto}
.welcome-card{width:min(980px,100%);max-height:calc(100vh - 48px);overflow:auto;background:white;border-radius:20px;padding:28px;box-shadow:0 24px 80px rgba(15,23,42,.28)}
.welcome-kicker{font-size:12px;letter-spacing:.08em;font-weight:900;color:#2563eb;margin-bottom:7px}.welcome-card h2{margin:0 0 10px;font-size:26px}.welcome-card h3{margin:0 0 8px;font-size:15px}.welcome-card p{margin:7px 0;line-height:1.55;color:#334155;font-size:13px}.welcome-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}.welcome-grid section,.welcome-warning{border:1px solid #e2e8f0;border-radius:14px;padding:15px;background:#f8fafc}.welcome-warning{background:#fffdf5;border-color:#fde68a}.welcome-accept{display:flex;grid-template-columns:auto 1fr;align-items:flex-start;gap:10px;margin:18px 0 14px;font-weight:700;line-height:1.4}.welcome-accept input{width:auto;margin-top:2px}.welcome-card>.btn{width:100%}
@media(max-width:760px){.welcome-grid{grid-template-columns:1fr}.welcome-card{padding:20px}.date-entry{grid-template-columns:minmax(0,1fr) 46px}}

/* MVP 0.4.3 - porcentaje de mora calculado exclusivamente con obligaciones >90 días */
.field-hint strong{font-weight:700;color:#0f4c5c}.date-entry input[type=text].field-error{border-color:#b91c1c;background:#fff1f2}

/* PWA 0.4.4 - instalación y actualizaciones */
.btn.install{background:#dbeafe;color:#1d4ed8;border:1px solid #93c5fd}
.pwa-update{position:fixed;z-index:10020;left:50%;bottom:20px;transform:translateX(-50%);width:min(760px,calc(100% - 28px));display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;background:#fff;border:1px solid #bfdbfe;border-radius:14px;padding:14px 16px;box-shadow:0 16px 50px rgba(15,23,42,.22)}
.pwa-update div{display:grid;gap:2px}.pwa-update strong{font-size:14px}.pwa-update span{font-size:12px;color:#475569}
@media(max-width:680px){.pwa-update{grid-template-columns:1fr 1fr}.pwa-update div{grid-column:1/-1}.pwa-update .btn{width:100%}}


/* PWA 0.5.0 - autenticación restringida y panel administrativo */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px;background:radial-gradient(circle at top,#e0e7ff 0,#eef2f7 38%,#e2e8f0 100%)}
.auth-card{width:min(500px,100%);background:white;border:1px solid #dbe3ee;border-radius:22px;padding:30px;box-shadow:0 24px 70px rgba(15,23,42,.16)}
.auth-logo{width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;background:#0f172a;color:white;font-weight:900;letter-spacing:.04em;margin-bottom:18px}.auth-card h1{margin:0 0 8px;font-size:27px}.auth-card>p{margin:0 0 20px;color:#475569;line-height:1.55}.auth-form{display:grid;gap:15px}.auth-form .btn.large{width:100%;margin-top:4px}.auth-error{margin:0 0 16px}.password-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.auth-show-password{white-space:nowrap}.auth-help{margin-top:18px;padding:12px 14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:11px;color:#64748b;font-size:12px;line-height:1.5}.auth-footer{margin-top:18px;padding-top:14px;border-top:1px solid #e2e8f0;text-align:center;color:#94a3b8;font-size:11px}.auth-spinner{width:34px;height:34px;margin:22px auto 4px;border:3px solid #e2e8f0;border-top-color:#2563eb;border-radius:50%;animation:auth-spin .8s linear infinite}@keyframes auth-spin{to{transform:rotate(360deg)}}
.sidebar-user{margin-top:18px;padding:12px;border:1px solid rgba(255,255,255,.13);border-radius:12px;background:rgba(255,255,255,.05);display:grid;gap:4px}.sidebar-user strong{font-size:13px}.sidebar-user>span:not(.badge){font-size:11px;color:#94a3b8;word-break:break-all}.admin-badge{background:#dbeafe!important;color:#1d4ed8!important;width:max-content}.admin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:16px}.admin-head h2{margin:0 0 5px}.admin-actions{display:flex;gap:6px;flex-wrap:wrap;min-width:220px}.admin-actions .btn{padding:7px 9px;font-size:12px}.admin-table{min-width:1050px}.admin-table.compact{min-width:580px}.admin-table td{vertical-align:middle}
@media(max-width:680px){.auth-page{padding:14px}.auth-card{padding:22px}.password-row{grid-template-columns:1fr}.admin-head{flex-direction:column}.admin-head .btn{width:100%}}