/* =========================================================
   ScanTech · Panel de administración
   ========================================================= */

:root{
  --navy:#0b1f33;
  --navy-2:#0e2a47;
  --steel:#12304a;
  --accent:#ff7a1a;
  --accent-2:#ff9a45;
  --accent-dark:#e5670a;
  --ink:#0e1b29;
  --muted:#5b6b7c;
  --muted-2:#8496a8;
  --line:#e2e8f0;
  --line-2:#edf1f6;
  --bg:#f4f6f9;
  --white:#fff;
  --ok:#2ecc71;
  --danger:#e5484d;
  --radius:11px;
  --shadow:0 8px 26px rgba(11,31,51,.08);
  --side-w:250px;
}

*,*::before,*::after{box-sizing:border-box}

body.admin{
  margin:0;
  font-family:'Inter','Segoe UI',Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:1.08rem}

/* ---------- Sidebar ---------- */
.side{
  position:fixed;inset:0 auto 0 0;width:var(--side-w);
  background:linear-gradient(180deg,var(--navy),var(--navy-2));
  color:#a9bacb;display:flex;flex-direction:column;z-index:50;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-brand{padding:22px 22px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.side-brand img{height:38px}
.side-nav{padding:16px 12px;flex:1;overflow-y:auto}
.side-nav a{
  display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:9px;
  font-size:.92rem;font-weight:500;margin-bottom:3px;transition:.16s;
}
.side-nav a .dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.25);transition:.16s}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a.active{background:rgba(255,122,26,.16);color:#fff;font-weight:600}
.side-nav a.active .dot{background:var(--accent);box-shadow:0 0 0 3px rgba(255,122,26,.25)}

.side-foot{padding:16px 22px 22px;border-top:1px solid rgba(255,255,255,.08);font-size:.86rem}
.side-foot a{display:block;padding:7px 0;transition:.16s}
.side-foot a:hover{color:var(--accent-2)}
.side-foot .logout{color:#ff8a8a}

/* ---------- Contenido ---------- */
.admin-main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.admin-top{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:18px;
  padding:14px 30px;
}
.admin-title{font-weight:700;font-size:1rem}
.admin-user{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--muted)}
.avatar{
  width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;
}
.side-toggle{
  display:none;background:none;border:1.5px solid var(--line);border-radius:8px;
  padding:6px 11px;cursor:pointer;font-size:1rem;
}
.admin-content{padding:28px 30px 46px;max-width:1320px;width:100%}

/* ---------- Alertas ---------- */
.alert{padding:12px 16px;border-radius:9px;font-size:.9rem;margin-bottom:20px;border-left:4px solid}
.alert.ok{background:#eafaf1;border-color:var(--ok);color:#146c43}
.alert.err{background:#fdeeee;border-color:var(--danger);color:#a32020}
.alert.info{background:#eef4fb;border-color:#2f6fb0;color:#1f5c8f}
.alert a{font-weight:700;text-decoration:underline}
.alert .hint{font-weight:400;opacity:.85}

/* ---------- Estadísticas ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);
}
.stat-num{display:block;font-size:1.9rem;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);font-weight:600}

/* ---------- Paneles ---------- */
.panel{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);margin-bottom:24px;overflow:hidden;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 22px;border-bottom:1px solid var(--line-2);
}
.panel-head h2{margin:0}
.panel-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.mini-search{display:flex;gap:8px}
.mini-search input{
  padding:8px 13px;border:1.5px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:.86rem;outline:0;min-width:230px;transition:.2s;
}
.mini-search input:focus{border-color:var(--accent)}

/* ---------- Tabla ---------- */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:.89rem}
.table th{
  text-align:left;padding:12px 16px;background:#fafbfd;
  font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.table td{padding:13px 16px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table tbody tr:hover{background:#fbfcfe}
.table tr:last-child td{border-bottom:0}
.table .right{text-align:right}
.table .empty{text-align:center;color:var(--muted-2);padding:34px}
.mono{font-family:'Consolas',monospace;font-size:.85rem;color:var(--muted)}
.sub{display:block;font-size:.78rem;color:var(--muted-2);margin-top:2px}

.cell-product{display:flex;align-items:center;gap:13px;min-width:230px}
.cell-product img{
  width:52px;height:44px;object-fit:cover;border-radius:7px;
  border:1px solid var(--line);background:var(--navy);flex-shrink:0;
}
.cell-product strong{display:block;font-size:.92rem}
.cell-product span{font-size:.78rem;color:var(--muted-2)}

.row-actions{display:flex;gap:7px;justify-content:flex-end;flex-wrap:wrap}
.inline-form{display:inline}

.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;padding:3px 9px;border-radius:20px;margin:1px 3px 1px 0;
}
.tag.ok{background:#eafaf1;color:#146c43}
.tag.muted{background:#f1f3f6;color:var(--muted)}
.tag.accent{background:#fff1e5;color:var(--accent-dark)}
.tag.info{background:#eef4fb;color:#1f5c8f}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 18px;border-radius:8px;border:1.5px solid transparent;
  font-family:inherit;font-size:.89rem;font-weight:600;cursor:pointer;
  transition:.18s;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#161616}
.btn-primary:hover{background:var(--accent-2)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--steel)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn-danger{background:#fff;border-color:#f3c2c4;color:var(--danger)}
.btn-danger:hover{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-sm{padding:7px 13px;font-size:.8rem}
.btn-block{width:100%}

/* ---------- Formularios ---------- */
.form-panel{padding-bottom:6px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:22px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.83rem;font-weight:600;color:var(--steel)}
.field input,.field select,.field textarea{
  padding:10px 14px;border:1.5px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:.93rem;background:#fff;outline:0;transition:.18s;width:100%;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,26,.14);
}
.field .hint{font-size:.76rem;color:var(--muted-2)}
.field input[type="file"]{padding:8px;background:var(--bg)}
.check{display:flex;align-items:center;gap:9px;font-size:.88rem;margin-top:4px}
.check input{width:auto;accent-color:var(--accent)}
.preview{
  width:200px;height:150px;object-fit:cover;border-radius:9px;
  border:1px solid var(--line);background:var(--navy);
}
.form-foot{
  display:flex;justify-content:flex-end;gap:10px;
  padding:16px 22px;border-top:1px solid var(--line-2);background:#fafbfd;
}
.stack-form{padding:22px}
.stack-form .form-foot{margin:20px -22px -22px}

/* ---------- Dos columnas ---------- */
.two-col{display:grid;grid-template-columns:340px 1fr;gap:22px;align-items:start}

/* ---------- Login ---------- */
body.login-page{
  margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(700px 340px at 80% 10%, rgba(255,122,26,.18), transparent 60%),
    linear-gradient(140deg,#0b1f33,#12304a);
  font-family:'Inter','Segoe UI',Arial,sans-serif;padding:24px;
}
.login-card{
  width:414px;max-width:100%;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);border-radius:16px;
  padding:36px 34px;backdrop-filter:blur(14px);box-shadow:0 30px 70px rgba(0,0,0,.45);
  color:#e8eef5;
}
.login-logo{height:50px;margin:0 auto 18px}
.login-card h1{font-size:1.28rem;margin-bottom:6px;color:#fff;text-align:center}
.login-card>p{color:#9fb0c2;font-size:.9rem;margin-bottom:22px;text-align:center}
.login-card .field label{color:#cbd6e2}
.login-card .field input{
  background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);color:#fff;
}
.login-card .field input::placeholder{color:#7488a0}
.login-card .field input:focus{border-color:var(--accent);background:rgba(255,255,255,.11)}
.login-card .field{margin-bottom:16px}
.login-card .alert.info{background:rgba(47,111,176,.18);border-color:#4a90d9;color:#cfe4f7}
.login-card .alert.err{background:rgba(229,72,77,.16);border-color:#ff6b6b;color:#ffb3b3}
.login-foot{margin-top:20px;text-align:center;font-size:.86rem}
.login-foot a{color:#9fb0c2}
.login-foot a:hover{color:var(--accent-2)}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
}

@media (max-width:860px){
  .side{transform:translateX(-100%);transition:.25s}
  body.side-open .side{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.5)}
  .admin-main{margin-left:0}
  .side-toggle{display:block}
  .admin-content{padding:22px 18px 40px}
  .admin-top{padding:12px 18px}
  .form-grid{grid-template-columns:1fr;padding:18px}
  .stack-form{padding:18px}
  .stack-form .form-foot{margin:18px -18px -18px}
}

@media (max-width:560px){
  .stats-grid{grid-template-columns:1fr}
  .mini-search input{min-width:0;width:100%}
  .mini-search{width:100%}
  .panel-actions{width:100%}
}