:root{
  --navy:#012640; --navy-2:#023a5e; --green:#00836F; --green-d:#006557; --green-soft:#E3F2EE;
  --ink:#1c2b33; --muted:#65757f; --border:#e9eef2; --bg:#ffffff; --soft:#f7fafb; --card:#fff;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.5}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;font-size:14px;padding:10px 18px;border-radius:9px;border:1.5px solid transparent;cursor:pointer}
.btn--ghost{border-color:#d4dde3;color:var(--navy)}
.btn--ghost:hover{background:var(--soft)}
.btn--primary{background:var(--green);color:#fff}
.btn--primary:hover{background:var(--green-d)}
.lnk{background:none;border:0;color:var(--green-d);font-weight:600;font-size:13px;cursor:pointer;font-family:var(--font)}

/* topbar — blanco limpio con borde inferior */
.topbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.topbar__in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{color:var(--navy);font-weight:800;font-size:20px;text-decoration:none;letter-spacing:.5px;display:flex;align-items:center;gap:9px}
.brand__dot{width:11px;height:11px;border-radius:50%;background:var(--green);box-shadow:0 0 12px rgba(0,131,111,.5)}
.brand__r{font-size:12px;vertical-align:super;opacity:.7}

/* hero — fondo blanco con malla neuronal sutil */
.hero{position:relative;overflow:hidden;background:radial-gradient(900px 380px at 88% -30%,rgba(0,131,111,.08),transparent 60%),#fff;border-bottom:1px solid var(--border);padding:48px 0 52px}
.hero__net{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero__in{position:relative;z-index:1}
.hero__eyebrow{display:inline-block;color:var(--green);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.hero h1{font-size:clamp(28px,4.5vw,42px);font-weight:800;margin:0 0 10px;color:var(--navy)}
.hero p{color:var(--muted);max-width:620px;margin:0 0 22px}
.periodo-bar{display:flex;align-items:center;gap:10px;font-size:14px}
.periodo-bar label{color:var(--muted);font-weight:600}
.periodo-bar select{font-family:var(--font);font-size:14px;font-weight:600;padding:9px 14px;border-radius:10px;border:1.5px solid #d4dde3;background:#fff;color:var(--navy);cursor:pointer;box-shadow:0 4px 14px rgba(1,38,64,.06)}

/* layout */
.layout{display:grid;grid-template-columns:262px 1fr;gap:30px;padding:34px 0 70px;align-items:start}
@media(max-width:920px){.layout{grid-template-columns:1fr}}
.filters{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;position:sticky;top:84px;box-shadow:0 4px 16px rgba(1,38,64,.04)}
@media(max-width:920px){.filters{position:static}}
.filters__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.filters__head h3{margin:0;color:var(--navy);font-size:16px}
.search{display:flex;align-items:center;gap:8px;border:1.5px solid #d8dee3;border-radius:10px;padding:9px 12px;margin:12px 0 16px}
.search svg{width:18px;height:18px;color:var(--muted)}
.search input{border:0;outline:0;flex:1;font-size:14px;font-family:var(--font);background:transparent}
.fgroup{border-top:1px solid var(--border);padding:14px 0 2px}
.fgroup h4{margin:0 0 10px;font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.opt{display:flex;align-items:center;gap:9px;padding:6px 0;font-size:14px;cursor:pointer}
.opt input{width:16px;height:16px;accent-color:var(--green);cursor:pointer}

.count{color:var(--muted);font-size:14px;margin:0 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 6px 20px rgba(1,38,64,.06);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(1,38,64,.12)}
.card__thumb{aspect-ratio:35/20;background:linear-gradient(135deg,var(--navy),var(--navy-2));position:relative;display:flex;align-items:center;justify-content:center}
.card__thumb img{width:100%;height:100%;object-fit:cover}
.thumb-name{color:#fff;font-size:20px;font-weight:800;opacity:.92;text-align:center;padding:0 12px}
.card__tag{position:absolute;top:11px;left:11px;background:rgba(255,255,255,.92);color:var(--navy);font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;padding:4px 9px;border-radius:6px;z-index:2}
.card__body{padding:17px 19px 19px;display:flex;flex-direction:column;gap:11px;flex:1}
.badge{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;background:var(--green-soft);color:var(--green-d);font-size:11.5px;font-weight:600;padding:5px 11px;border-radius:999px}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.card__title{margin:0;font-size:16px;font-weight:700;color:var(--navy);line-height:1.3}
.downloads{list-style:none;margin:2px 0 0;padding:0}
.downloads li{border-top:1px solid var(--border)}
.downloads li:first-child{border-top:0}
.downloads a{display:flex;align-items:center;gap:10px;padding:9px 3px;text-decoration:none;font-size:13.5px;font-weight:500;color:var(--ink)}
.downloads a:hover{color:var(--green-d)}
.downloads a:hover .dl-ic{background:var(--green);color:#fff;border-color:var(--green)}
.dl-ic{width:29px;height:29px;flex-shrink:0;border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--green-d)}
.dl-ic svg{width:15px;height:15px}
.dl-type{margin-left:auto;font-size:10px;font-weight:700;color:var(--muted);background:var(--soft);padding:3px 7px;border-radius:5px;letter-spacing:.5px}
.card__more{margin-top:auto;text-align:center;background:var(--navy);color:#fff;text-decoration:none;font-size:13px;font-weight:600;padding:10px;border-radius:9px}
.card__more:hover{background:var(--green-d)}
.empty{display:none;text-align:center;color:var(--muted);padding:46px 0}

.foot{background:#fff;border-top:1px solid var(--border);color:var(--muted);padding:36px 0;text-align:center}
.foot h3{color:var(--navy);font-size:19px;margin:0 0 6px}
.foot p{margin:3px 0;font-size:14px}

/* ===== ADMIN ===== */
.admin{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
@media(max-width:820px){.admin{grid-template-columns:1fr}}
.side{background:var(--navy);color:#cdd9e2;padding:24px 16px}
.side .brand{color:#fff;margin-bottom:24px}
.side .brand{color:#fff}
.side nav{display:flex;flex-direction:column;gap:4px}
.side nav a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;text-decoration:none;color:#cdd9e2;font-size:14.5px;font-weight:500}
.side nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side nav a.active{background:var(--green);color:#fff}
.side .out{margin-top:24px;border-top:1px solid rgba(255,255,255,.1);padding-top:16px}
.main{padding:30px 34px;background:var(--soft)}
.main h1{color:var(--navy);margin:0 0 4px;font-size:24px}
.main .sub{color:var(--muted);margin:0 0 24px}
.panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:22px;box-shadow:0 4px 14px rgba(1,38,64,.05)}
.panel h2{margin:0 0 16px;font-size:17px;color:var(--navy)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;background:var(--green-soft);color:var(--green-d)}
.tag--off{background:#f0f0f0;color:#888}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font-family:var(--font);font-size:14px;padding:10px 12px;border:1.5px solid #d8dee3;border-radius:9px;outline:none;background:#fff}
.field input:focus,.field select:focus{border-color:var(--green)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.actions{display:flex;gap:9px;flex-wrap:wrap}
.ic-btn{padding:7px 12px;font-size:13px;font-weight:600;border-radius:8px;border:1.5px solid #d8dee3;background:#fff;cursor:pointer;text-decoration:none;color:var(--ink)}
.ic-btn:hover{border-color:var(--green);color:var(--green-d)}
.ic-btn--danger:hover{border-color:#d33;color:#d33}
.dl-row{display:grid;grid-template-columns:2fr 1fr 2fr auto;gap:9px;margin-bottom:9px;align-items:center}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(700px 400px at 70% 0%,rgba(0,131,111,.10),transparent),var(--soft)}
.login-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:34px;width:360px;box-shadow:0 20px 50px rgba(1,38,64,.12)}
.login-card h1{color:var(--navy);margin:0 0 4px;font-size:22px}
.login-card p{color:var(--muted);margin:0 0 22px;font-size:14px}
.alert{background:#fde8e8;color:#b42318;padding:11px 14px;border-radius:9px;font-size:13.5px;margin-bottom:16px}
.note{background:#fff8e6;border:1px solid #ffe08a;color:#7a5b00;padding:11px 14px;border-radius:9px;font-size:13px;margin-bottom:18px}