/* ==========================================================================
   Gestor de Facturas — Meta Ads  ·  hoja de estilos
   Estética clara tipo panel de negocio (gris Facebook + azul), identidad propia.
   ========================================================================== */
:root{
  --blue:#1877F2;
  --blue-strong:#0866FF;
  --blue-dark:#0a2e63;
  --bg:#f0f2f5;
  --card:#ffffff;
  --ink:#1c1e21;
  --muted:#65676b;
  --line:#e4e6eb;
  --radius:12px;
  --shadow:0 1px 2px rgba(0,0,0,.08),0 1px 3px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- Estructura general ---- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex:0 0 248px;background:#fff;border-right:1px solid var(--line);
  padding:14px 10px;position:sticky;top:0;height:100vh;overflow:auto;
}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.content{padding:22px 26px;flex:1}

/* ---- Marca ---- */
.brand{display:flex;align-items:center;gap:10px;padding:8px 10px 16px}
.brand-mark{
  width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;overflow:hidden;
}
.brand-mark img{width:62%;height:auto;display:block}
.brand-text strong{display:block;font-size:15px;line-height:1.1}
.brand-text small{color:var(--muted);font-size:11px}

/* ---- Navegación ---- */
.nav{display:flex;flex-direction:column;gap:2px}
.nav-sep{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);
  padding:14px 12px 6px}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:8px;
  color:var(--ink);font-weight:500;
}
.nav-item:hover{background:#f2f3f5;text-decoration:none}
.nav-item.active{background:#e7f0ff;color:var(--blue-dark);font-weight:700}
.nav-item .ni-ico{width:22px;height:22px;display:grid;place-items:center;color:var(--muted)}
.nav-item.active .ni-ico{color:var(--blue)}
.nav-item .ni-ico svg{width:22px;height:22px}
.nav-item.locked{color:#90949c}
.nav-item.locked .ni-ico{color:#b0b3b8}
.nav-item .ni-label{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-item .ni-dot{width:8px;height:8px;border-radius:50%;background:#e0245e;flex:0 0 auto}
.nav-item .ni-lock{width:14px;height:14px;color:#b0b3b8;flex:0 0 auto;display:grid;place-items:center}
.nav-item .ni-lock svg{width:14px;height:14px}
.nav-item.locked:hover{background:#f5f6f7}

/* ---- Barra superior ---- */
.topbar{
  height:58px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;
  position:sticky;top:0;z-index:20;
}
.tb-title{font-size:18px;font-weight:700}
.tb-right{display:flex;align-items:center;gap:14px}
.tb-btn{
  display:flex;align-items:center;gap:7px;background:#f0f2f5;border:1px solid var(--line);
  border-radius:8px;padding:7px 12px;font-weight:600;cursor:pointer;color:var(--ink);
}
.tb-btn svg{width:18px;height:18px}
.tb-btn:hover{background:#e4e6eb}
.tb-user{display:flex;align-items:center;gap:8px}
.tb-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.tb-uname{font-weight:600;font-size:14px}
.tb-logout{font-size:14px;font-weight:600}

/* ---- Tarjetas ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;margin-bottom:18px}
.card h2{margin:0 0 4px;font-size:18px}
.card .sub{color:var(--muted);font-size:13px;margin:0 0 14px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.stat{display:flex;flex-direction:column;gap:4px}
.stat .num{font-size:26px;font-weight:800}
.stat .lbl{color:var(--muted);font-size:13px}

/* ---- Perfil (home) ---- */
.profile{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.profile-av{width:64px;height:64px;border-radius:50%;object-fit:cover;border:2px solid #fff;
  box-shadow:0 0 0 1px var(--line)}
.profile h2{margin:0}
.profile .meta{color:var(--muted);font-size:13px;display:flex;gap:14px;flex-wrap:wrap;margin-top:4px}
.profile .meta a{display:inline-flex;align-items:center;gap:6px}
.profile .meta img{width:18px;height:18px;vertical-align:middle}
.actions-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* ---- Mensajes (home) con glifo de Messenger ---- */
.msg-list{display:flex;flex-direction:column}
.msg{display:flex;align-items:center;gap:12px;padding:11px 4px;border-top:1px solid var(--line)}
.msg:first-child{border-top:0}
.msg .who{display:flex;align-items:center;gap:9px;min-width:200px;font-weight:600}
.msg .msg-ch{width:18px;height:18px}
.msg .txt{color:var(--muted);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg .when{color:#90949c;font-size:12px}

/* ---- Botones ---- */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);
  background:#fff;color:var(--ink);border-radius:8px;padding:9px 16px;font-weight:600;
  cursor:pointer;font-size:14px;line-height:1}
.btn:hover{background:#f2f3f5;text-decoration:none}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-strong)}
.btn-danger{background:#fff;border-color:#e0245e;color:#e0245e}
.btn-danger:hover{background:#fdecf1}
.btn-sm{padding:6px 11px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.locked{color:#90949c;background:#fff;border-color:var(--line)}
.btn.locked:hover{background:#f5f6f7}
.btn .b-lock{display:inline-grid;place-items:center;width:14px;height:14px;color:#b0b3b8}
.btn .b-lock svg{width:14px;height:14px}
.tag-int{display:inline-flex;align-items:center;font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;color:#65676b;background:#f0f2f5;
  border:1px solid var(--line);border-radius:999px;padding:2px 9px;margin-left:8px;
  vertical-align:middle;position:relative;top:-1px}

/* ---- Formularios ---- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
label{font-weight:600;font-size:13px}
label .opt{color:var(--muted);font-weight:500}
input[type=text],input[type=date],input[type=email],input[type=password],
input[type=number],select,textarea{
  border:1px solid #ccd0d5;border-radius:8px;padding:10px 12px;font-size:14px;
  font-family:inherit;background:#fff;color:var(--ink);width:100%;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(24,119,242,.15)}
.check{flex-direction:row;align-items:center;gap:10px}
.check input{width:18px;height:18px}
.hint{color:var(--muted);font-size:12px}

/* ---- Badges de estado ---- */
.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;
  padding:4px 11px;font-size:12.5px;font-weight:700}
.badge .dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.estado-comentario{font-size:13px;margin-top:6px}
.estado-comentario.error{color:#e0245e}
.estado-comentario.missing{color:#65676b}

/* ---- Tablas ---- */
table.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);
  overflow:hidden;border:1px solid var(--line)}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px;
  vertical-align:middle}
.tbl th{background:#f7f8fa;color:var(--muted);font-size:12px;text-transform:uppercase;
  letter-spacing:.03em}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.done{background:#fafbfc;color:var(--muted)}
.tbl .right{text-align:right}
.tbl a{font-weight:600}

/* ---- Avisos ---- */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-weight:500;border:1px solid}
.flash.ok{background:#e8f6ec;border-color:#bfe3c8;color:#0f4a1d}
.flash.err{background:#fdecf1;border-color:#f6c3d3;color:#7a0a2c}
.flash.info{background:#e7f0ff;border-color:#c7dcff;color:#0a2e63}

/* ---- Filtros / barra de acciones ---- */
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:16px;flex-wrap:wrap}
.tabs{display:flex;gap:6px}
.tabs a{padding:7px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;
  font-weight:600;color:var(--ink)}
.tabs a.active{background:var(--blue);border-color:var(--blue);color:#fff}
.tabs a:hover{text-decoration:none}

/* ---- Detalle / definición ---- */
.dl{display:grid;grid-template-columns:200px 1fr;gap:10px 18px}
.dl dt{color:var(--muted);font-weight:600}
.dl dd{margin:0}
.file-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 0;border-top:1px solid var(--line)}
.file-row:first-child{border-top:0}

/* ---- Pie ---- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:16px 26px;color:var(--muted);
  font-size:12.5px}
.ft-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.ft-sub{margin-top:8px;font-size:12px}
.ft-disclaimer{font-weight:600;color:#90949c}
.ft-social{display:inline-flex;gap:12px;align-items:center}
.ft-social img{display:block}

/* ---- Modal ---- */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;
  align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:14px;max-width:420px;width:100%;padding:24px;
  box-shadow:0 10px 40px rgba(0,0,0,.25)}
.modal h3{margin:0 0 10px;font-size:18px}
.modal p{margin:0 0 18px;color:var(--muted)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px}

/* ==========================================================================
   LOGIN
   ========================================================================== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:var(--bg);padding:24px}
.login-card{background:#fff;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.12);
  max-width:420px;width:100%;padding:34px}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.login-logo .brand-mark{width:42px;height:42px;font-size:22px;border-radius:50%}
.login-logo .lt strong{display:block;font-size:20px;line-height:1.1}
.login-logo .lt small{color:var(--muted);font-size:12px}
.login-sub{color:var(--muted);font-size:13.5px;margin:14px 0 22px;line-height:1.6}
.login-card label{font-size:13px}
.login-card .field{margin-bottom:14px}
.login-card .btn-primary{width:100%;justify-content:center;padding:12px}
.login-forgot{display:block;text-align:center;margin-top:16px;color:var(--blue);font-size:13.5px}
.login-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
  color:#90949c;font-size:11.5px;text-align:center;line-height:1.6}

/* ---- Responsive ---- */
@media (max-width:860px){
  .sidebar{display:none}
  .form-grid,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .dl{grid-template-columns:1fr}
  .content{padding:16px}
}