:root{
  --bg:#f3f6fb;--panel:#fff;--text:#10213e;--muted:#6d7d98;--line:#dbe3ef;
  --primary:#2563eb;--primary-2:#1d4ed8;--primary-soft:#eef4ff;--success:#0f9f6e;
  --warning:#c98615;--danger:#d14343;--nav:#0f2344;--shadow:0 10px 30px rgba(15,35,68,.07);
  --radius:14px;--sidebar:138px;--topbar:42px;--footer:26px;
}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}body{min-height:100vh;font-size:13px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}.hidden{display:none!important}.muted{color:var(--muted)}

/* APP SHELL — estándar NextFlow */
.app-shell{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);height:100vh;overflow:hidden}.sidebar{height:100vh;background:#fff;border-right:1px solid var(--line);padding:8px 6px 7px;display:flex;flex-direction:column;z-index:30}.brand-row{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:10px;padding:7px 6px;margin-bottom:8px;background:#fff}.brand-row img{width:30px;height:30px;flex:0 0 30px}.brand-row strong{display:block;font-size:12px;line-height:1.1}.brand-row small{display:block;color:var(--muted);font-size:8px;margin-top:2px}.sidebar nav{display:grid;gap:3px}.nav-link{border:0;background:transparent;border-radius:7px;padding:8px 7px;display:flex;align-items:center;gap:7px;color:#34435e;text-align:left;width:100%;font-weight:700;font-size:11px;transition:.15s}.nav-link:hover,.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 5px 14px rgba(37,99,235,.17)}.nav-link span{width:16px;text-align:center;font-size:13px}.sidebar-bottom{margin-top:auto;display:grid;gap:3px}.sidebar-footnote{font-size:7px;color:#8b98ad;border-top:1px solid var(--line);padding:7px 5px 0;margin-top:7px;line-height:1.35}
.main{min-width:0;height:100vh;display:flex;flex-direction:column;overflow:hidden;padding:0}.system-bar{height:var(--topbar);flex:0 0 var(--topbar);background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 14px;gap:12px}.system-brand{display:flex;align-items:center;gap:8px}.system-brand .mini-mark{width:24px;height:24px;border-radius:7px;background:var(--primary-soft);display:grid;place-items:center}.system-brand .mini-mark img{width:17px;height:17px}.system-brand strong{display:block;font-size:11px}.system-brand small{display:block;font-size:8px;color:var(--muted);margin-top:1px}.system-user{text-align:right;line-height:1.1}.system-user strong{display:block;font-size:11px}.system-user small{font-size:8px;color:var(--muted)}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:12px 15px 8px;flex:0 0 auto}.page-copy .eyebrow{font-size:8px;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);font-weight:900;margin-bottom:3px}.page-copy h1{font-size:21px;line-height:1.05;margin:0}.page-copy p{margin:3px 0 0;color:var(--muted);font-size:10px}.top-actions{display:flex;gap:6px;align-items:center}.mobile-menu{display:none;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 9px}.view{display:none;min-height:0;padding:0 15px 7px;overflow:auto}.view.active{display:block;flex:1}.app-footer{height:var(--footer);flex:0 0 var(--footer);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#8896ac;background:#fff;font-size:8px}

.cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;margin-bottom:8px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 10px;min-width:0;box-shadow:0 1px 0 rgba(15,35,68,.02)}.metric-card small{color:var(--muted);display:block;margin-bottom:5px;font-size:9px}.metric-card strong{font-size:18px;line-height:1}.metric-card .hint{font-size:8px;color:var(--muted);margin-top:5px}.metric-card.alert{border-left:3px solid #ef4444;background:#fffafa}.metric-card.money{border-left:3px solid var(--primary)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:10px;box-shadow:0 2px 8px rgba(15,35,68,.03)}.compact-panel{padding-bottom:7px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}.panel h2,.panel h3{margin:0;font-size:14px}.panel-head p,.section-title-row p{margin:2px 0 0;color:var(--muted);font-size:9px}.btn{border:1px solid transparent;border-radius:8px;padding:7px 10px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:.15s;font-size:10px;line-height:1}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-2)}.btn.ghost{background:#fff;border-color:var(--line);color:#34435e}.btn.soft{background:var(--primary-soft);color:var(--primary)}.btn.danger{background:var(--danger);color:#fff}.btn.wide{width:100%;margin-top:7px}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:8px;width:30px;height:30px;font-size:18px;color:#5b6478}.filters{display:flex;gap:6px;margin-bottom:7px;align-items:center}.filters input{flex:1}.filters select{width:auto;min-width:88px}.filters input,.filters select,.field input,.field select,.field textarea{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 9px;color:var(--text);outline:none;transition:.15s;font-size:10px}.filters input:focus,.filters select:focus,.field input:focus,.field select:focus,.field textarea:focus{border-color:#7fa5fb;box-shadow:0 0 0 2px rgba(37,99,235,.08)}.field input.invalid,.field select.invalid{border-color:#df6d6d}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:9px;max-height:calc(100vh - 295px);background:#fff}.table-wrap table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}.table-wrap th,.table-wrap td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;font-size:9px}.table-wrap th{font-size:8px;color:#566784;background:#f7f9fc;white-space:nowrap;position:sticky;top:0;z-index:2}.table-wrap th[data-sort]{cursor:pointer}.table-wrap th[data-sort]:hover{color:var(--primary)}.table-wrap th.sort-active::after{content:attr(data-arrow);margin-left:4px;color:var(--primary);font-weight:900}.table-wrap tbody tr:hover{background:#fbfdff}.table-wrap tbody tr:last-child td{border-bottom:0}.actions-col{width:128px}.row-actions{display:flex;gap:4px;white-space:nowrap}.row-actions button,.row-actions a{border:1px solid var(--line);background:#fff;border-radius:6px;padding:5px 7px;font-size:8px;font-weight:800;color:#40506a}.row-actions button:hover,.row-actions a:hover{border-color:#a9c0f8;color:var(--primary)}.row-actions .danger-action{color:var(--danger);background:#fff8f8}.badge{display:inline-flex;padding:3px 7px;border-radius:999px;font-size:8px;font-weight:900;white-space:nowrap}.badge.reserved{background:#eef4ff;color:#2455b8}.badge.delivered{background:#e9f8f1;color:#137a55}.badge.overdue{background:#fff0f0;color:#bc3030}.badge.returned{background:#eef0f4;color:#5f6675}.badge.cancelled{background:#f2f2f2;color:#747474}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:4px;padding-top:7px;flex-wrap:wrap}.pagination button{border:1px solid var(--line);background:#fff;border-radius:6px;min-width:26px;height:26px;font-size:8px}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination span{color:var(--muted);font-size:8px}

.grid-2{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(250px,.55fr);gap:8px}.sticky-summary{align-self:start;position:sticky;top:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.field{min-width:0}.field.span-2,.modal-actions.span-2{grid-column:1/-1}.field label{display:block;font-size:9px;font-weight:850;margin-bottom:4px}.field input,.field select,.field textarea{width:100%}.field textarea{resize:vertical;min-height:56px}.field-error{display:block;min-height:11px;margin-top:2px;color:var(--danger);font-size:8px}.section-title-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:10px 0 6px}.items-list{display:grid;gap:5px}.rental-item{display:grid;grid-template-columns:minmax(0,1.5fr) 70px 84px 84px 30px;gap:5px;align-items:end;border:1px solid var(--line);border-radius:8px;padding:7px;background:#fbfcfe}.rental-item .mini-label{font-size:8px;color:var(--muted);margin-bottom:3px}.rental-item input,.rental-item select{width:100%;border:1px solid var(--line);border-radius:7px;padding:6px;font-size:9px}.remove-item{height:29px;border:1px solid #f1d5d5;background:#fff7f7;color:var(--danger);border-radius:7px}.summary-lines{display:grid;gap:6px;margin:10px 0}.summary-lines>div{display:flex;justify-content:space-between;gap:8px;color:#4a556b;font-size:10px}.total-box{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px 0;margin:8px 0 10px}.total-box strong{font-size:20px;color:var(--primary)}

.modal{position:fixed;inset:0;background:rgba(15,35,68,.42);display:none;align-items:center;justify-content:center;padding:14px;z-index:80}.modal.open{display:flex}.modal-card{width:min(620px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:14px;padding:13px;box-shadow:var(--shadow)}.modal-card.large{width:min(820px,100%)}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}.modal-head h2{margin:0;font-size:15px}.modal-head p{margin:2px 0 0;color:var(--muted);font-size:9px}.modal-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:3px}.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:8px}.detail-box{border:1px solid var(--line);border-radius:8px;padding:8px}.detail-box small{color:var(--muted);display:block;margin-bottom:3px;font-size:8px}.detail-box strong{font-size:11px}.detail-list{border:1px solid var(--line);border-radius:8px;overflow:hidden}.detail-list>div{display:flex;justify-content:space-between;gap:8px;padding:7px 8px;border-bottom:1px solid var(--line);font-size:9px}.detail-list>div:last-child{border-bottom:0}.detail-actions{display:flex;justify-content:flex-end;gap:5px;margin-top:9px;flex-wrap:wrap}.toast-stack{position:fixed;right:12px;top:50px;z-index:120;display:grid;gap:6px}.toast{background:#10213e;color:#fff;padding:8px 10px;border-radius:8px;box-shadow:var(--shadow);min-width:220px;max-width:320px;font-size:10px;animation:toastIn .18s ease}.toast.success{background:#0d7d5a}.toast.error{background:#b53a3a}@keyframes toastIn{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:none}}.confirm{position:fixed;inset:0;background:rgba(15,35,68,.42);display:none;align-items:center;justify-content:center;padding:14px;z-index:110}.confirm.open{display:flex}.confirm-card{background:#fff;border-radius:12px;padding:13px;width:min(390px,100%);box-shadow:var(--shadow)}.confirm-card h3{margin:0 0 4px;font-size:14px}.confirm-card p{margin:0 0 12px;color:var(--muted);font-size:10px}.confirm-card>div{display:flex;justify-content:flex-end;gap:6px}.empty{padding:20px 12px;text-align:center;color:var(--muted);font-size:9px}.password-wrap{position:relative}.password-wrap input{padding-right:38px}.eye-btn{position:absolute;right:5px;top:50%;transform:translateY(-50%);border:0;background:transparent;font-size:15px;color:#53647f}.alert{border-radius:8px;padding:8px 9px;margin:8px 0;font-size:9px}.alert.error{background:#fff0f0;color:#b23a3a}.alert.success{background:#eaf8f2;color:#167653}

/* Login / recovery — estándar premium NextFlow */
.auth-body{min-height:100vh;background:#f4f7fb;display:flex;flex-direction:column;overflow:hidden}.auth-main{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(390px,.72fr);background:radial-gradient(circle at 66% 28%,rgba(37,99,235,.08),transparent 30%),linear-gradient(135deg,#f4f7fb 0%,#f8fbff 55%,#edf4ff 100%)}.auth-hero{position:relative;padding:28px 52px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.auth-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,247,251,.15),rgba(255,255,255,.5));pointer-events:none}.auth-hero>*{position:relative}.auth-brand{position:absolute;left:52px;top:26px}.auth-brand img{width:168px;height:auto}.auth-kicker{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);font-weight:900;margin-bottom:12px}.auth-hero h1{font-size:45px;line-height:1.04;letter-spacing:-.035em;margin:0 0 14px;max-width:720px}.auth-hero>p{font-size:16px;line-height:1.55;color:#657693;max-width:710px;margin:0}.auth-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:720px;margin-top:28px}.auth-feature{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:0 8px 24px rgba(15,35,68,.04)}.auth-feature strong{display:block;font-size:11px;margin-bottom:4px}.auth-feature span{font-size:9px;color:var(--muted);line-height:1.45}.auth-visual{position:absolute;right:4%;top:7%;width:300px;height:260px;opacity:.16;pointer-events:none}.auth-visual .box{position:absolute;border:3px solid var(--primary);border-radius:18px}.auth-visual .b1{width:150px;height:95px;right:5px;top:12px;transform:rotate(8deg)}.auth-visual .b2{width:115px;height:115px;right:130px;top:92px;transform:rotate(-12deg)}.auth-visual .b3{width:85px;height:70px;right:35px;top:160px;transform:rotate(16deg)}
.auth-side{display:grid;place-items:center;padding:22px 38px;background:rgba(255,255,255,.38)}.auth-card{width:min(100%,440px);background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 30px;box-shadow:0 18px 45px rgba(15,35,68,.10)}.auth-card-logo{display:flex;justify-content:center;margin-bottom:19px}.auth-card-logo img{width:168px}.auth-card .eyebrow{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);font-weight:900;text-align:center;margin-bottom:6px}.auth-card h2{font-size:23px;text-align:center;margin:0}.auth-card .intro{text-align:center;color:var(--muted);font-size:10px;margin:6px 0 18px}.auth-card label{display:block;font-size:9px;font-weight:850;margin:9px 0 4px}.auth-card input{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 11px;outline:none;color:var(--text);font-size:11px}.auth-card input:focus{border-color:#7fa5fb;box-shadow:0 0 0 3px rgba(37,99,235,.08)}.auth-link{display:block;text-align:right;color:var(--primary);font-weight:800;font-size:9px;margin:7px 1px 0}.auth-submit{width:100%;margin-top:11px;padding:11px 14px;font-size:11px}.demo-box{margin-top:10px;padding:9px 10px;background:#f7f9fc;border:1px solid var(--line);border-radius:9px;color:#566076;font-size:9px;line-height:1.45}.auth-footer{height:30px;flex:0 0 30px;background:rgba(255,255,255,.82);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#8391a8;font-size:8px}.auth-back{display:inline-flex;align-items:center;gap:5px;color:#40506a;font-size:9px;font-weight:800;margin-top:11px}.recovery-card{width:min(100%,560px)}.recovery-card .form-grid{gap:8px}.recovery-step{border:1px solid var(--line);border-radius:11px;padding:12px;margin-top:10px}.recovery-step-head{display:flex;gap:9px;align-items:center;margin-bottom:10px}.step-badge{width:28px;height:28px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:900;font-size:9px}.recovery-step-head strong{display:block;font-size:11px}.recovery-step-head span{display:block;font-size:8px;color:var(--muted);margin-top:2px}

@media(max-width:1100px){:root{--sidebar:124px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.auth-main{grid-template-columns:1fr 420px}.auth-hero{padding:28px}.auth-brand{left:28px}.auth-visual{display:none}.auth-hero h1{font-size:38px}.auth-features{grid-template-columns:1fr}}
@media(max-width:820px){body{font-size:14px}.app-shell{display:block;height:auto;overflow:visible}.sidebar{position:fixed;left:-230px;top:0;width:220px;height:100vh;transition:.2s;box-shadow:var(--shadow)}.sidebar.open{left:0}.main{height:auto;min-height:100vh;overflow:visible}.system-bar{position:sticky;top:0;z-index:20}.mobile-menu{display:inline-flex}.page-head{align-items:center}.page-copy h1{font-size:20px}.top-actions .btn.ghost{display:none}.view{overflow:visible;padding:0 10px 12px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2{grid-template-columns:1fr}.sticky-summary{position:static}.table-wrap{max-height:none}.app-footer{height:32px}.auth-body{overflow:auto}.auth-main{display:block}.auth-hero{display:none}.auth-side{min-height:calc(100vh - 30px);padding:22px}.auth-card{padding:24px 22px}.form-grid{grid-template-columns:1fr}.field.span-2,.modal-actions.span-2{grid-column:auto}.rental-item{grid-template-columns:1fr 68px}.rental-item>div:nth-child(3),.rental-item>div:nth-child(4){grid-column:span 1}.remove-item{align-self:end}.detail-grid{grid-template-columns:1fr}.modal-card{max-height:92vh}}