:root{
  --bg:#f6f7fb; --card:#ffffff; --text:#111827; --muted:#6b7280; --border:#e5e7eb;
  --brand:#4f46e5; --brand2:#06b6d4; --danger:#ef4444;
  --shadow:0 12px 30px rgba(17,24,39,.08); --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial; color:var(--text); background:var(--bg)}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}

.container{max-width:1180px;margin:0 auto;padding:22px 16px 60px}
.topbar{position:sticky;top:0;z-index:50;background:rgba(246,247,251,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.topbar .inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:var(--shadow)}
.brand .title{font-weight:800;letter-spacing:.2px}

.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.btn{border:1px solid var(--border);background:#fff;border-radius:999px;padding:10px 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:var(--text);cursor:pointer;font-weight:650}
.btn:hover{filter:brightness(.985)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.danger{border-color:#fecaca;color:var(--danger)}
.btn.small{padding:7px 10px;font-size:13px}

.input,.select{width:100%;border:1px solid var(--border);border-radius:14px;padding:12px 12px;background:#fff;font-size:15px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
/* spans utilitários (use em qualquer página) */
.span-12{grid-column:span 12}
.span-8{grid-column:span 8}
.span-7{grid-column:span 7}
.span-6{grid-column:span 6}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}
@media(max-width:900px){
  .span-8,.span-7,.span-6,.span-5,.span-4{grid-column:span 12}
}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-hd{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-bd{padding:18px}
.h1{font-size:24px;margin:0} .h2{font-size:18px;margin:0}
.muted{color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:rgba(255,255,255,.7);border-radius:999px;padding:8px 10px;font-size:13px}
.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:4px 9px;font-size:12px;color:var(--muted);background:#fff}
.badge.ok{border-color:#bbf7d0;color:#065f46;background:#ecfdf5}
.badge.warn{border-color:#fde68a;color:#92400e;background:#fffbeb}

.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:stretch}
@media(max-width:900px){.hero{grid-template-columns:1fr}}
.hero .left{padding:26px} .hero .right{padding:26px}
.kpis{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px 14px;min-width:140px}
.kpi b{font-size:18px}
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
@media(max-width:520px){.features{grid-template-columns:1fr}}
.feature{border:1px solid var(--border);background:#fff;border-radius:16px;padding:12px 12px}

.table-wrap{width:100%;overflow:auto;border:1px solid var(--border);border-radius:16px;background:#fff}
.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:12px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
.table th{color:var(--muted);font-weight:700;background:rgba(246,247,251,.7)}
.table tr:last-child td{border-bottom:none}

.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
@media(max-width:1100px){.gallery{grid-template-columns:repeat(4,1fr)}}
@media(max-width:760px){.gallery{grid-template-columns:repeat(2,1fr)}}
.tile{border:1px solid var(--border);border-radius:16px;background:#fff;overflow:hidden;display:flex;flex-direction:column}
.tile .thumb{aspect-ratio:1/1;background:linear-gradient(135deg,#eef2ff,#ecfeff);display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:800;position:relative}
.tile .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.tile .thumb .thumb-label{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-weight:900;letter-spacing:.08em;color:var(--muted)}
.tile .meta{padding:10px}

/* ==========================
   Mobile polish (celular)
   - thumbs mais "instagram" (4/5)
   - cards e botões menores
   - nav com scroll horizontal
   ========================== */
@media (max-width:520px){
  .container{padding:16px 12px 44px}
  .topbar .inner{padding:12px}
  .nav{width:100%;justify-content:flex-start;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:8px}
  .btn{padding:9px 12px}
  .btn.small{padding:7px 10px}
  .card-hd{padding:14px 14px}
  .card-bd{padding:14px}
  .row{gap:8px}
  .gallery{gap:8px}
  .tile{border-radius:14px}
  .tile .thumb{aspect-ratio:4/5}
  .tile .meta{padding:9px}
  .tile .meta .muted{display:none}
}
hr.hr{border:0;border-top:1px solid var(--border);margin:16px 0}

.notice{border:1px solid #bbf7d0;background:#ecfdf5;color:#065f46;border-radius:16px;padding:12px 12px;margin:12px 0}
.error{border:1px solid #fecaca;background:#fff1f2;color:#991b1b;border-radius:16px;padding:12px 12px;margin:12px 0}

.watermark{
  position:fixed; inset:auto 12px 12px auto;
  background:rgba(255,255,255,.85);
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 10px;
  font-size:12px;
  color:var(--muted);
  z-index:9999;
  pointer-events:none;
}

/* ==========================
   Viewer PRO (modal estilo Google Fotos)
   - abre em overlay (não abre nova guia)
   - zoom / swipe / setas / teclado
   ========================== */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.72);z-index:2000}
.modal.open{display:flex}
.viewer{width:min(1200px,100%);height:min(760px,100%);background:#0b0f19;color:#fff;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.10);box-shadow:0 22px 70px rgba(0,0,0,.55);display:flex;flex-direction:column}
.viewer-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 12px;background:rgba(17,24,39,.65);backdrop-filter:blur(10px)}
.viewer-title{font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:56%}
.viewer-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.viewer-actions .btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#fff}
.viewer-actions .btn:hover{filter:none;background:rgba(255,255,255,.12)}
.viewer-actions .btn.danger{background:rgba(239,68,68,.18);border-color:rgba(239,68,68,.35)}
.viewer-actions .btn.danger:hover{background:rgba(239,68,68,.25)}

.viewer-canvas{position:relative;flex:1;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}
.viewer-media{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;touch-action:none}
.viewer-media img{max-width:100%;max-height:100%;object-fit:contain;transform-origin:center;will-change:transform}
.viewer-media video{max-width:100%;max-height:100%}

.viewer-watermark{position:absolute;right:14px;bottom:14px;pointer-events:none;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:8px 10px;font-size:12px;color:rgba(255,255,255,.72)}

.viewer-nav{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:66px;border-radius:16px;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.16);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none}
.viewer-nav:hover{background:rgba(0,0,0,.5)}
.viewer-nav.prev{left:12px}
.viewer-nav.next{right:12px}

.viewer-bottom{padding:10px 12px;background:rgba(17,24,39,.65)}
.viewer-bottom .muted{color:rgba(255,255,255,.75)}

@media(max-width:520px){
  .modal{padding:0}
  .viewer{width:100%;height:100%;border-radius:0}
  .viewer-title{max-width:44%;font-size:14px}
  .viewer-actions{gap:6px}
  .viewer-actions .btn.small{padding:8px 10px}
  .viewer-nav{width:36px;height:56px;border-radius:14px}
}

/* clickable thumb button inside tiles (avoid abrir em nova guia) */
.thumbbtn{
  border:0;
  background:transparent;
  padding:0;
  margin:0;
  width:100%;
  text-align:inherit;
  cursor:pointer;
  display:block;
}
.thumbbtn:focus{outline:none}
.thumbbtn:focus-visible{outline:2px solid rgba(99,102,241,.55);outline-offset:2px;border-radius:14px}

/* Upload progress + list */
.progress{height:8px;background:var(--border);border-radius:999px;overflow:hidden}
.progress .bar{height:8px;background:var(--brand);width:0%;transition:width .2s ease}
.upload-item{font-size:12px;padding:4px 0;border-bottom:1px dashed var(--border)}
.upload-item.ok{color:#065f46}
.upload-item.err{color:var(--danger)}