:root{
  --azul:#3A5CA5; --azul-d:#2c4880; --azul-l:#eef3fb; --verde:#86B93E; --verde-d:#5f8a25;
  --amarillo:#F4B400; --rojo:#E12B2B; --ink:#161c26; --muted:#697586;
  --bg:#f3f6fb; --surface:#ffffff; --line:#e6ebf2; --soft:#f7f9fc;
  --radius:16px; --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  --shadow-lg:0 20px 50px rgba(16,24,40,.16);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
.hidden{display:none !important}
.muted{color:var(--muted)}
h1,h2,h3{font-family:'Sora',sans-serif;letter-spacing:-.01em}
.stripe{height:7px;background:linear-gradient(90deg,var(--azul) 0 25%,var(--verde) 25% 50%,var(--amarillo) 50% 75%,var(--rojo) 75% 100%)}

/* Botones */
.btn{border:1px solid transparent;border-radius:11px;padding:10px 18px;font-weight:600;font-size:13px;cursor:pointer;transition:.16s ease;font-family:inherit;display:inline-flex;align-items:center;gap:7px;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--azul);color:#fff;box-shadow:0 4px 12px rgba(58,92,165,.28)}.btn-primary:hover{background:var(--azul-d)}
.btn-ok{background:var(--verde);color:#fff;box-shadow:0 4px 12px rgba(134,185,62,.28)}.btn-ok:hover{background:var(--verde-d)}
.btn-danger{background:#fff;color:var(--rojo);border-color:#f3cccc}.btn-danger:hover{background:#fdf2f2}
.btn-ghost{background:#fff;color:var(--muted);border-color:var(--line)}.btn-ghost:hover{background:var(--soft);color:var(--ink)}
.btn-block{width:100%;justify-content:center;padding:13px}
.btn-sm{padding:7px 13px;font-size:12px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Campos */
.field{margin-bottom:15px}
.field label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin-bottom:7px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);transition:.15s}
.field input:hover,.field select:hover{border-color:#cfd8e3}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--azul);box-shadow:0 0 0 3.5px rgba(58,92,165,.13)}
.error-line{color:var(--rojo);font-size:13px;min-height:18px;margin-bottom:6px;font-weight:500}

/* ===== Login ===== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1000px 460px at 50% -8%, #e2ebf8, var(--bg))}
.login-card{width:100%;max-width:400px;background:var(--surface);border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden}
.login-body{padding:34px 32px}
.login-logo{height:66px;width:auto;display:block;margin:0 auto 20px}
.login-body h1{font-size:20px;margin:0 0 3px;text-align:center;font-weight:700}
.login-body .muted{margin:0 0 22px;font-size:13px;text-align:center}

/* ===== App shell ===== */
.app{display:flex;min-height:100vh}
.side{width:246px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:24px 16px;position:sticky;top:0;height:100vh}
.side-logo{width:150px;height:auto;margin:4px 6px 2px}
.side-sub{font-size:11px;color:var(--muted);letter-spacing:.3px;margin:0 6px 24px;font-weight:500}
.nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav button{text-align:left;background:transparent;border:none;padding:11px 14px;border-radius:11px;color:var(--ink);font-size:14px;cursor:pointer;font-family:inherit;font-weight:500;display:flex;align-items:center;gap:10px;transition:.14s}
.nav button:hover{background:var(--soft)}
.nav button.active{background:var(--azul);color:#fff;box-shadow:0 6px 16px rgba(58,92,165,.26)}
.nav .badge{margin-left:auto;background:var(--amarillo);color:#5a4200;border-radius:20px;font-size:11px;font-weight:700;padding:1px 8px;min-width:20px;text-align:center}
.nav button.active .badge{background:#fff;color:var(--azul)}
.side-foot{border-top:1px solid var(--line);padding-top:16px;margin-top:12px}
.u-nombre{font-weight:600;font-size:13px}
.u-rol{font-size:11px;color:var(--muted);text-transform:capitalize;margin-bottom:12px}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 32px;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar h2{margin:0;font-size:19px;font-weight:700}
.view{padding:28px 32px;overflow:auto}

/* ===== Tarjetas / lista ===== */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.form-card{max-width:640px;padding:28px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.row2{grid-template-columns:1fr}}

.list{display:flex;flex-direction:column;gap:12px}
.item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:16px;transition:.15s}
.item:hover{border-color:#cfd8e3;box-shadow:0 4px 14px rgba(16,24,40,.09)}
.item .folio{font-weight:700;color:var(--azul);font-size:13px;min-width:118px;font-family:'Sora',sans-serif}
.item .cli{flex:1;min-width:0}
.item .cli .c-nom{font-weight:600}
.item .cli .c-sub{color:var(--muted);font-size:12.5px}
.item .monto{font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap;font-family:'Sora',sans-serif}
.item .acts{display:flex;gap:8px}

.pill{display:inline-block;padding:4px 11px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.pill.enviada{background:#fff5da;color:#8a6b00}
.pill.vo_bueno{background:#e8f6d8;color:var(--verde-d)}
.pill.autorizada{background:#e5eefb;color:var(--azul)}
.pill.rechazada_cp,.pill.rechazada_dir{background:#fce8e8;color:var(--rojo)}

.empty{text-align:center;color:var(--muted);padding:70px 20px}
.empty .big{font-size:40px;margin-bottom:10px}
.errbox{background:#fce8e8;border:1px solid #f3cccc;color:#a5231d;padding:16px 18px;border-radius:12px;font-size:13.5px}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;background:rgba(16,24,40,.5);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal-card{background:#fff;border-radius:18px;max-width:940px;width:100%;max-height:92vh;overflow:auto;position:relative;box-shadow:var(--shadow-lg)}
.modal-x{position:absolute;top:14px;right:16px;border:none;background:#f2f5f9;width:32px;height:32px;border-radius:9px;font-size:20px;line-height:1;color:var(--muted);cursor:pointer;z-index:2}
.modal-x:hover{background:#e7ecf2;color:var(--ink)}
.modal-head{padding:22px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.modal-body{padding:22px 26px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin-bottom:16px}
.detail-grid .k{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.detail-grid .v{font-weight:600;margin-bottom:8px}
.pdf-frame{width:100%;height:480px;border:1px solid var(--line);border-radius:12px}

/* Firma */
.firma-box{border:1.5px dashed var(--azul);border-radius:12px;background:#fbfdff;padding:10px}
#firma-canvas{width:100%;height:150px;touch-action:none;border-radius:8px;background:#fff;border:1px solid var(--line)}

.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:13px 22px;border-radius:12px;font-size:14px;font-weight:500;z-index:80;box-shadow:var(--shadow-lg)}
.toast.ok{background:var(--verde-d)}.toast.err{background:var(--rojo)}

h3.section{font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:22px 0 10px;font-family:'Inter',sans-serif;font-weight:700}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
table.tbl th,table.tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
table.tbl th{background:var(--soft);font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr:hover{background:#fafbfe}
.rowacts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.tag-rol{display:inline-block;padding:3px 10px;border-radius:8px;font-size:11px;font-weight:600;background:var(--azul-l);color:var(--azul);text-transform:capitalize}