/* ============================================================
   PS_Facturación — Sistema de diseño (identidad Paradigma Soft)
   Paleta: azul (blue-700..950) + acento naranja (orange-600)
   ============================================================ */
:root {
  --ps-blue-50:#eff6ff;  --ps-blue-100:#dbeafe; --ps-blue-200:#bfdbfe;
  --ps-blue-500:#3b82f6; --ps-blue-600:#2563eb; --ps-blue-700:#1d4ed8;
  --ps-blue-800:#1e40af; --ps-blue-900:#1e3a8a; --ps-blue-950:#172554;
  --ps-orange:#ea580c;   --ps-orange-400:#fb923c; --ps-orange-50:#fff7ed;

  --ps-bg:#f3f6fc;
  --ps-surface:#ffffff;
  --ps-text:#0f172a;
  --ps-muted:#64748b;
  --ps-border:#e6ebf3;

  --ps-radius:14px;
  --ps-radius-sm:10px;
  --ps-shadow:0 1px 2px rgba(16,24,40,.04), 0 6px 20px rgba(30,58,138,.06);
  --ps-shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --ps-sidebar-w:250px;
}

* { box-sizing:border-box; }

body {
  margin:0;
  background:var(--ps-bg);
  color:var(--ps-text);
  font-family:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,"Inter",Roboto,sans-serif;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

a { color:var(--ps-blue-700); text-decoration:none; }
a:hover { color:var(--ps-blue-900); text-decoration:underline; }

/* ---------- Shell: sidebar + main ---------- */
.ps-shell { display:flex; min-height:100vh; }

.ps-sidebar {
  width:var(--ps-sidebar-w);
  position:fixed; top:0; left:0; bottom:0; z-index:1030;
  background:linear-gradient(180deg,var(--ps-blue-950) 0%, var(--ps-blue-900) 100%);
  color:#c7d6f2;
  display:flex; flex-direction:column;
  padding:18px 14px;
  box-shadow:2px 0 20px rgba(15,23,42,.12);
}
.ps-sidebar__brand { padding:6px 8px 18px; }
.ps-sidebar__brand img { width:185px; height:auto; }

.ps-nav { display:flex; flex-direction:column; gap:3px; overflow-y:auto; flex:1; }
.ps-nav__label {
  font-size:11.5px; font-weight:700; letter-spacing:1.4px; text-transform:uppercase;
  color:#5f78ad; padding:16px 12px 6px;
}
.ps-nav a {
  display:flex; align-items:center; gap:12px;
  padding:11px 13px; border-radius:var(--ps-radius-sm);
  color:#b9c8e8; font-weight:500; font-size:15px; text-decoration:none;
  border-left:3px solid transparent; transition:.15s;
}
.ps-nav a svg { width:19px; height:19px; flex:none; opacity:.85; }
.ps-nav a:hover { background:rgba(255,255,255,.07); color:#fff; text-decoration:none; }
.ps-nav a.active {
  background:rgba(59,130,246,.18); color:#fff;
  border-left-color:var(--ps-orange);
}
.ps-nav a.active svg { opacity:1; }

.ps-sidebar__footer {
  margin-top:auto; padding:14px 10px 4px; border-top:1px solid rgba(255,255,255,.08);
  font-size:11px; color:#7f93bd; line-height:1.5;
}
.ps-sidebar__footer a { color:var(--ps-orange-400); }

/* ---------- Main ---------- */
.ps-main { margin-left:var(--ps-sidebar-w); flex:1; display:flex; flex-direction:column; min-width:0; }

.ps-topbar {
  height:62px; position:sticky; top:0; z-index:1020;
  background:rgba(255,255,255,.86); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ps-border);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 26px;
}
.ps-topbar__title { font-weight:600; color:var(--ps-blue-900); }
.ps-user { display:flex; align-items:center; gap:12px; }
.ps-user__name { font-weight:600; color:var(--ps-text); }
.ps-chip {
  font-size:11px; font-weight:700; letter-spacing:.4px; text-transform:uppercase;
  padding:3px 9px; border-radius:999px;
  background:var(--ps-blue-50); color:var(--ps-blue-700); border:1px solid var(--ps-blue-100);
}
.ps-burger { display:none; background:none; border:none; color:var(--ps-blue-900); cursor:pointer; }

.ps-content { padding:26px 28px; flex:1; }
.ps-footer {
  padding:16px 28px; border-top:1px solid var(--ps-border);
  color:var(--ps-muted); font-size:13.5px;
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
}

/* ---------- Bootstrap overrides ---------- */
h1,h2,h3,h4,h5 { color:var(--ps-blue-950); font-weight:700; letter-spacing:-.01em; }

.card {
  border:1px solid var(--ps-border); border-radius:var(--ps-radius);
  box-shadow:var(--ps-shadow); background:var(--ps-surface);
}
.card-header { background:var(--ps-surface); font-weight:600; color:var(--ps-blue-900);
  border-bottom:1px solid var(--ps-border); border-radius:var(--ps-radius) var(--ps-radius) 0 0 !important; }

.btn { border-radius:var(--ps-radius-sm); font-weight:600; }
.btn-primary { background:var(--ps-blue-700); border-color:var(--ps-blue-700); }
.btn-primary:hover,.btn-primary:focus { background:var(--ps-blue-800); border-color:var(--ps-blue-800); }
.btn-success { background:#16a34a; border-color:#16a34a; }
.btn-success:hover { background:#15803d; border-color:#15803d; }
.btn-outline-primary { color:var(--ps-blue-700); border-color:var(--ps-blue-200); }
.btn-outline-primary:hover { background:var(--ps-blue-700); border-color:var(--ps-blue-700); }
.btn-outline-info { color:var(--ps-blue-700); border-color:var(--ps-blue-200); }
.btn-outline-info:hover { background:var(--ps-blue-600); border-color:var(--ps-blue-600); color:#fff; }
.btn-outline-warning { color:var(--ps-orange); border-color:#fed7aa; }
.btn-outline-warning:hover { background:var(--ps-orange); border-color:var(--ps-orange); color:#fff; }
.btn-link { color:var(--ps-blue-700); }

.form-control,.form-select { border-radius:var(--ps-radius-sm); border-color:var(--ps-border); padding:.5rem .75rem; }
.form-control:focus,.form-select:focus { border-color:var(--ps-blue-500); box-shadow:0 0 0 .2rem rgba(37,99,235,.12); }
.form-label { font-weight:600; font-size:14px; color:#334155; margin-bottom:.3rem; }

/* Tablas */
.table { --bs-table-bg:transparent; border-color:var(--ps-border); }
.table > thead th {
  text-transform:uppercase; font-size:12px; letter-spacing:.5px;
  color:var(--ps-muted); font-weight:700; border-bottom:1.5px solid var(--ps-border);
  background:#fafbfe;
}
.table > tbody td { vertical-align:middle; }
.table-hover > tbody > tr:hover > * { background:var(--ps-blue-50); }
.table thead th[style*="343a40"], .table .table-dark { background:var(--ps-blue-900) !important; }

/* Envolver tablas/forms sueltos en superficie */
.ps-content > .table { background:var(--ps-surface); border-radius:var(--ps-radius);
  overflow:hidden; box-shadow:var(--ps-shadow); }

.badge { font-weight:600; letter-spacing:.2px; padding:.4em .65em; border-radius:7px; }
.alert { border-radius:var(--ps-radius-sm); border:none; }
.alert-success { background:#ecfdf5; color:#065f46; }
.alert-danger { background:#fef2f2; color:#991b1b; }
.alert-warning { background:var(--ps-orange-50); color:#9a3412; }

/* Dashboard cards */
.ps-tile { display:block; height:100%; text-decoration:none; color:inherit;
  border:1px solid var(--ps-border); border-radius:var(--ps-radius);
  background:var(--ps-surface); box-shadow:var(--ps-shadow); padding:18px 18px 14px;
  transition:.18s; }
.ps-tile:hover { text-decoration:none; color:inherit; transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(30,58,138,.13); border-color:var(--ps-blue-200); }
.ps-tile__icon { width:42px; height:42px; border-radius:11px; display:flex;
  align-items:center; justify-content:center; margin-bottom:12px;
  background:linear-gradient(135deg,var(--ps-blue-600),var(--ps-blue-900)); color:#fff; }
.ps-tile__icon svg { width:22px; height:22px; }
.ps-tile h6 { color:var(--ps-blue-950); font-size:16px; margin:0 0 4px; }
.ps-tile p { color:var(--ps-muted); font-size:13.5px; margin:0; }
.ps-tile--accent .ps-tile__icon { background:linear-gradient(135deg,var(--ps-orange-400),var(--ps-orange)); }

.ps-page-head { display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:12px; margin-bottom:20px; }
.ps-page-head h3 { margin:0; }

/* ---------- Login ---------- */
.ps-login {
  min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px;
  background:radial-gradient(1200px 600px at 80% -10%, rgba(234,88,12,.18), transparent 60%),
             linear-gradient(135deg,var(--ps-blue-950) 0%, var(--ps-blue-800) 100%);
}
.ps-login__card {
  width:100%; max-width:400px; background:var(--ps-surface);
  border-radius:18px; box-shadow:0 24px 60px rgba(15,23,42,.4); padding:34px 32px;
}
.ps-login__logo { text-align:center; margin-bottom:8px; }
.ps-login__logo img { width:210px; height:auto; }
.ps-login__sub { text-align:center; color:var(--ps-muted); font-size:13px; margin-bottom:22px; }

/* ---------- Responsive ---------- */
@media (max-width:991px){
  .ps-sidebar { transform:translateX(-100%); transition:transform .22s ease; }
  .ps-shell.is-open .ps-sidebar { transform:translateX(0); }
  .ps-main { margin-left:0; }
  .ps-burger { display:inline-flex; }
}