:root{
  --primary:#10B981; --primary-dark:#059669; --primary-soft:#ECFDF5; --primary-border:#A7F3D0;
  --ink:#0F172A; --ink-2:#334155; --muted:#64748B; --dim:#94A3B8;
  --bg:#F1F5F9; --surface:#FFFFFF; --line:#E2E8F0;
  --danger:#E11D48; --danger-soft:#FFF1F2;
  --warn:#D97706; --warn-soft:#FFFBEB;
  --info:#0284C7; --info-soft:#F0F9FF;
  --radius:12px; --shadow:0 1px 2px rgba(15,23,42,.06),0 4px 12px rgba(15,23,42,.05);
  --sidebar:236px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary-dark);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}

/* ---------- Shell ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar);flex-shrink:0;background:var(--surface);color:var(--ink-2);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.sidebar-brand{padding:20px 18px 16px;border-bottom:1px solid var(--line)}
.sidebar-brand .n{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.sidebar-brand .s{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.sidebar nav{padding:12px 10px;flex:1}
.sidebar a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;
  color:var(--ink-2);font-size:13.5px;font-weight:500;margin-bottom:2px;transition:.15s;
}
.sidebar a:hover{background:var(--primary-soft);color:var(--primary-dark)}
.sidebar a.active{background:var(--primary);color:#fff}
.sidebar a svg{width:17px;height:17px;flex-shrink:0}
.sidebar-foot{padding:14px 18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.sidebar-foot b{display:block;color:var(--ink);font-size:13px;font-weight:600}
.sidebar-foot button{
  margin-top:8px;background:none;border:1px solid var(--line);color:var(--muted);
  padding:5px 10px;border-radius:7px;cursor:pointer;font-size:12px;width:100%
}
.sidebar-foot button:hover{color:var(--ink);border-color:var(--dim);background:#F8FAFC}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  background:var(--surface);border-bottom:1px solid var(--line);padding:16px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.topbar h1{font-size:19px;font-weight:700;letter-spacing:-.02em}
.topbar p{font-size:13px;color:var(--muted);margin-top:1px}
.content{padding:22px 26px 48px;flex:1}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:9px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:var(--dim);background:#F8FAFC}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn.danger{color:var(--danger);border-color:#FECDD3;background:var(--danger-soft)}
.btn.danger:hover{background:#FFE4E6}
.btn.sm{padding:5px 10px;font-size:12.5px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn svg{width:15px;height:15px}

/* ---------- Tarjetas y KPIs ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-head h2{font-size:15px;font-weight:650}
.card-head .sub{font-size:12.5px;color:var(--muted);font-weight:400}
.card-body{padding:18px}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:20px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.kpi .v{font-size:24px;font-weight:700;letter-spacing:-.025em;margin-top:6px;font-variant-numeric:tabular-nums}
.kpi .d{font-size:12.5px;color:var(--muted);margin-top:3px}
.kpi.ok .v{color:var(--primary-dark)}
.kpi.bad .v{color:var(--danger)}
.kpi.warn .v{color:var(--warn)}

/* ---------- Tablas ---------- */
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{
  text-align:left;padding:10px 14px;background:#F8FAFC;border-bottom:1px solid var(--line);
  font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;white-space:nowrap;
}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:hover{background:#F8FAFC}
tbody tr:last-child td{border-bottom:none}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}
td.c,th.c{text-align:center}
.t-strong{font-weight:650;color:var(--ink)}
.t-dim{color:var(--muted);font-size:12.5px}
.empty{padding:44px 20px;text-align:center;color:var(--muted)}
.empty b{display:block;color:var(--ink-2);font-size:14.5px;margin-bottom:4px}

/* ---------- Chips ---------- */
.chip{display:inline-block;padding:3px 9px;border-radius:100px;font-size:11.5px;font-weight:650;letter-spacing:.02em;white-space:nowrap}
.chip.gray{background:#F1F5F9;color:var(--muted)}
.chip.green{background:var(--primary-soft);color:var(--primary-dark)}
.chip.blue{background:var(--info-soft);color:var(--info)}
.chip.amber{background:var(--warn-soft);color:var(--warn)}
.chip.red{background:var(--danger-soft);color:var(--danger)}

/* ---------- Formularios ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:650;color:var(--ink-2);margin-bottom:5px}
.field .hint{font-size:12px;color:var(--muted);font-weight:400;margin-top:4px}
input,select,textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);
  font-size:13.5px;transition:.15s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(16,185,129,.14)}
input[readonly]{background:#F8FAFC;color:var(--muted)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.filters .field{margin:0;min-width:150px}
.filters .grow{flex:1;min-width:220px}

/* ---------- Modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow-y:auto}
.modal-bg.open{display:flex}
.modal{background:var(--surface);border-radius:16px;width:100%;max-width:660px;box-shadow:0 24px 60px rgba(15,23,42,.3)}
.modal.wide{max-width:900px}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-head h3{font-size:16.5px;font-weight:700}
.modal-head .x{background:none;border:none;font-size:24px;line-height:1;color:var(--dim);cursor:pointer;padding:0 4px}
.modal-body{padding:22px}
.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* ---------- Avisos ---------- */
.alert{padding:12px 15px;border-radius:10px;font-size:13.5px;margin-bottom:16px;border:1px solid}
.alert.err{background:var(--danger-soft);border-color:#FECDD3;color:#9F1239}
.alert.ok{background:var(--primary-soft);border-color:var(--primary-border);color:#065F46}
.alert.warn{background:var(--warn-soft);border-color:#FDE68A;color:#92400E}
.alert.info{background:var(--info-soft);border-color:#BAE6FD;color:#075985}

#toast{position:fixed;right:20px;bottom:20px;z-index:99;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 17px;border-radius:10px;color:#fff;font-size:13.5px;font-weight:600;box-shadow:0 8px 24px rgba(15,23,42,.25);animation:tin .25s}
.toast.ok{background:var(--primary-dark)}
.toast.err{background:var(--danger)}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(140deg,#0F172A,#134E4A)}
.login-card{background:var(--surface);border-radius:18px;padding:34px;width:100%;max-width:390px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.login-card h1{font-size:22px;font-weight:700;letter-spacing:-.02em}
.login-card .sub{color:var(--muted);font-size:13.5px;margin:4px 0 24px}
.login-card .btn{width:100%;justify-content:center;padding:11px}
.login-foot{text-align:center;margin-top:18px;font-size:12px;color:var(--dim)}

.spinner{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media(max-width:860px){
  .layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static}
  .sidebar nav{display:flex;flex-wrap:wrap;gap:4px}
  .sidebar a{margin:0}
  .content{padding:16px}
  .topbar{padding:14px 16px}
}