:root{
  --bg:#101214;
  --surface:#1b1e22;
  --surface-2:#22262b;
  --surface-3:#292e34;
  --border:#373c43;
  --text:#eef1f4;
  --muted:#a9b0b8;
  --blue:#2b91ff;
  --pink:#ff4ecb;
  --green:#38c976;
  --yellow:#f1b94b;
  --red:#f06767;
  --shadow:0 18px 60px rgba(0,0,0,.42);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif}
button,input,select{font:inherit}
button{color:inherit}
a{color:var(--blue)}
.app-shell{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:#15181b;border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:12px;padding:2px 6px 22px}
.brand strong{display:block}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.brand-mark{width:64px;height:64px;border-radius:18px;background:linear-gradient(145deg,#278fff,#8b5cf6);display:grid;place-items:center;font-weight:900;letter-spacing:.5px}
.brand-mark.small{width:42px;height:42px;border-radius:12px;font-size:12px}
.sidebar-section{border-top:1px solid var(--border);padding-top:18px}
.sidebar-title{text-transform:uppercase;letter-spacing:.1em;color:#7f8791;font-size:11px;padding:0 9px 9px}
.nav-filter{width:100%;display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:8px;border:0;background:transparent;border-radius:9px;padding:10px;text-align:left;cursor:pointer}
.nav-filter:first-of-type{grid-template-columns:1fr auto}
.nav-filter:hover,.nav-filter.active{background:var(--surface-2)}
.nav-filter b{font-size:12px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%}.dot.approved{background:var(--green)}.dot.pending{background:var(--yellow)}.dot.rejected{background:var(--red)}
.sidebar-footer{margin-top:auto;border-top:1px solid var(--border);padding:16px 8px 0;display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted)}
.main{min-width:0;padding:28px 30px 45px}
.topbar{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}
h1,h2,p{margin-top:0}.topbar h1{margin-bottom:4px;font-size:25px}.subtle{color:var(--muted)}
.top-actions{display:flex;gap:8px}
.primary-btn,.secondary-btn,.ghost-btn{border:1px solid var(--border);border-radius:9px;padding:9px 12px;cursor:pointer}
.primary-btn{background:var(--blue);border-color:var(--blue);color:white}
.secondary-btn{background:var(--surface-2)}
.ghost-btn{background:transparent}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px}
.stat-card span{display:block;color:var(--muted);font-size:12px}.stat-card strong{display:block;margin-top:7px;font-size:22px}
.filters{display:grid;grid-template-columns:minmax(300px,2fr) repeat(5,minmax(130px,1fr)) auto;gap:8px;margin:14px 0}
.filters input,.filters select{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:9px;padding:10px}
.search{min-width:0}
.table-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:1000px}
th{color:#bdc3ca;font-size:12px;font-weight:600;text-align:left;background:#171a1d;position:sticky;top:0;z-index:2}
th,td{padding:12px 14px;border-bottom:1px solid #2f343a}
tbody tr{cursor:pointer;transition:background .12s}tbody tr:hover{background:#22272d}
.money{font-variant-numeric:tabular-nums;font-weight:650}
.client-cell{font-weight:700;color:var(--blue)}.company-sub{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:2px}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 8px;font-size:11px;font-weight:800;letter-spacing:.03em}
.badge.aprobado{background:rgba(56,201,118,.14);color:#62dc96}
.badge.pendiente{background:rgba(241,185,75,.14);color:#f7c766}
.badge.rechazado{background:rgba(240,103,103,.14);color:#f98b8b}
.pagination{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px}
.empty{text-align:center;color:var(--muted);padding:35px}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.42);opacity:0;pointer-events:none;transition:.18s;z-index:80}
.scrim.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100vh;background:#1a1d20;border-left:1px solid var(--border);box-shadow:var(--shadow);transform:translateX(102%);transition:transform .22s ease,right .22s ease;z-index:90;display:flex;flex-direction:column}
.drawer.open{transform:translateX(0)}
.sale-drawer{width:min(760px,62vw)}
.client-drawer{width:min(440px,38vw);z-index:100}
body.client-open .sale-drawer.open{right:min(440px,38vw)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border)}
.drawer-head small{color:var(--muted)}.drawer-head h2{font-size:18px;margin:4px 0 0}
.icon-btn{width:36px;height:36px;border:0;border-radius:50%;background:var(--surface-3);font-size:23px;cursor:pointer}
.drawer-content{overflow:auto;padding:18px}
.hero-image{width:100%;height:260px;object-fit:contain;background:#0e1012;border:1px solid var(--border);border-radius:10px;margin-bottom:16px}
.client-logo{width:100%;max-height:220px;object-fit:contain;background:#0f1113;border:1px solid var(--border);border-radius:10px;margin-bottom:14px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px 16px}
.detail{padding:11px 0;border-bottom:1px solid #30353b;min-width:0}.detail.wide{grid-column:1/-1}
.detail label{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.detail .value{white-space:pre-wrap;overflow-wrap:anywhere}
.ref-link{color:var(--blue);font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.ref-link::before{content:"▣";color:var(--pink)}
.action-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 4px}
.action-link{display:inline-flex;text-decoration:none;background:var(--surface-3);border:1px solid var(--border);padding:8px 10px;border-radius:8px;color:var(--text)}
.sale-history{margin-top:18px}.sale-history h3{font-size:14px}.history-item{padding:9px;border:1px solid var(--border);border-radius:8px;margin:7px 0;background:#20242a}
.alert{padding:10px;border-radius:8px}.alert.error{background:#4c1f26;color:#ffb8c1}
.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 50% 20%,#1d2737 0,#0e1012 48%)}
.login-card{width:min(390px,calc(100% - 36px));background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow);text-align:center}
.login-card .brand-mark{margin:0 auto 16px}.login-card h1{margin-bottom:5px}.login-card label{display:block;text-align:left;color:var(--muted);font-size:12px;margin:14px 0 6px}
.login-card input{width:100%;background:#111418;color:#fff;border:1px solid var(--border);border-radius:9px;padding:11px}.login-card .primary-btn{width:100%;margin-top:16px}.small-link{display:inline-block;margin-top:16px;font-size:11px;color:var(--muted)}
@media(max-width:1200px){
  .filters{grid-template-columns:repeat(3,1fr)}.filters .search{grid-column:span 2}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:850px){
  .app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;display:block}.sidebar-section{display:flex;gap:5px;overflow:auto}.sidebar-title{display:none}.nav-filter{width:auto;display:flex;white-space:nowrap}.sidebar-footer{display:none}
  .main{padding:18px}.filters{grid-template-columns:1fr 1fr}.filters .search{grid-column:1/-1}
  .sale-drawer,.client-drawer{width:100vw}.sale-drawer{right:0!important}.client-drawer{z-index:110}
  .detail-grid{grid-template-columns:1fr}
}