@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Montserrat:wght@500;600;700;800&display=swap');

:root {
  --bg: #020617;
  --bg-card: #0f172a;
  --bg-panel: #0b1220;
  --border: #1e293b;
  --border-hi: #334155;
  --primary: #f59e0b;
  --primary-hover: #fbbf24;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #38bdf8;
  --purple: #8b5cf6;
  --cyan-neon: #22d3ee;
  --text: #f8fafc;
  --text-main: #f8fafc;
  --text-muted: #64748b;
  --soft: #94a3b8;
  --radius: 10px;
  --shadow: 0 8px 28px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; min-height: 100%;
  background: var(--bg); color: var(--text);
  font-family: 'Montserrat', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--info); }
.font-mono { font-family: 'JetBrains Mono', monospace; }

/* NAV */
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 16px;
  background: linear-gradient(180deg, #0d1526 0%, #020617 100%);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(8px);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: 0.02em; font-size: 0.95rem;
}
.nav-logo a { color: var(--soft); text-decoration: none; }
.nav-logo i { color: var(--primary); }
.nav-logo span { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.container, .content {
  max-width: 1400px; margin: 0 auto;
  padding: 16px 16px 32px; width: 100%;
}

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 14px; border: none; border-radius: 8px;
  font-weight: 700; font-size: 0.84rem; cursor: pointer;
  font-family: inherit; min-height: 40px; transition: 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--primary); color: #0b1220; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-info { background: var(--info); color: #0b1220; }
.btn-ghost {
  background: transparent; color: var(--soft);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-hi); color: var(--text); }
.btn-sm { padding: 5px 10px; min-height: 32px; font-size: 0.78rem; }
.btn-block { width: 100%; }
.btn-lg { min-height: 48px; font-size: 0.95rem; border-radius: 10px; }

/* FORMS */
.form-control, input[type=text], input[type=search], input[type=number],
input[type=url], input[type=email], select, textarea {
  width: 100%; background: #000; border: 1px solid var(--border);
  color: #fff; padding: 9px 12px; border-radius: 8px;
  font-size: 0.88rem; font-family: inherit; min-height: 40px;
}
/* Móvil/touch: inputs >=16px para que iOS NO haga auto-zoom al enfocar
   (el zoom persiste y saca los botones fuera de pantalla). */
@media (pointer: coarse) {
  .form-control, input[type=text], input[type=search], input[type=number],
  input[type=url], input[type=email], select, textarea {
    font-size: 16px;
  }
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.18);
}
label {
  display: block; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); margin-bottom: 5px;
}

/* CARDS */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px;
}
.card-title {
  font-size: 0.78rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--soft); margin-bottom: 10px;
}

.badge {
  display: inline-block; font-size: 0.68rem; font-weight: 800;
  padding: 3px 8px; border-radius: 4px; letter-spacing: 0.03em;
}
.badge-pendiente {
  background: rgba(245,158,11,0.15); color: var(--primary);
  border: 1px solid rgba(245,158,11,0.35);
}
.badge-ok {
  background: rgba(16,185,129,0.15); color: var(--success);
  border: 1px solid rgba(16,185,129,0.35);
}
.badge-danger {
  background: rgba(239,68,68,0.15); color: #fca5a5;
  border: 1px solid rgba(239,68,68,0.35);
}

.help-box {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 12px; padding: 0 14px;
}
.help-box summary {
  cursor: pointer; padding: 11px 0; font-weight: 700; font-size: 0.85rem;
  color: var(--soft); list-style: none;
}
.help-box summary::-webkit-details-marker { display: none; }
.help-body { padding: 0 0 12px; font-size: 0.84rem; color: var(--soft); line-height: 1.5; }
.help-body ul, .help-body ol { margin: 6px 0 0 18px; }

.artifact-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 12px;
}
.artifact-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 4px solid var(--primary); border-radius: var(--radius);
  padding: 16px; transition: 0.18s ease;
}
.artifact-card:hover {
  transform: translateY(-3px); border-color: var(--primary);
  box-shadow: var(--shadow);
}

.table-wrap { overflow: auto; border-radius: 8px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
th, td { padding: 9px 11px; border-bottom: 1px solid var(--border); text-align: left; }
th {
  position: sticky; top: 0; background: #0b1220; color: var(--text-muted);
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; z-index: 1;
}
tr:hover td { background: rgba(245,158,11,0.04); }
.diff-pos { color: var(--success); font-weight: 700; }
.diff-neg { color: var(--danger); font-weight: 700; }

.empty-state {
  text-align: center; padding: 40px 16px; color: var(--text-muted); font-size: 0.9rem;
}
.offline-banner {
  display: none; background: var(--danger); color: #fff; text-align: center;
  padding: 7px; font-size: 0.8rem; font-weight: 700;
}
.offline-banner.show { display: block; }

.tabs-row { display: flex; gap: 6px; overflow-x: auto; margin-bottom: 14px; padding-bottom: 2px; }
.tab-btn {
  flex: 0 0 auto; padding: 9px 15px; border-radius: 999px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-muted); font-size: 0.8rem; font-weight: 700;
  cursor: pointer; font-family: inherit; transition: 0.15s;
}
.tab-btn.active { background: var(--primary); color: #0b1220; border-color: var(--primary); }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.toolbar .grow { flex: 1; min-width: 160px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.page-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; flex-wrap: wrap; border-bottom: 1.5px solid var(--border);
  padding-bottom: 12px; margin-bottom: 14px;
}
.page-header h1 {
  color: var(--primary); margin: 0; font-size: 1.3rem;
  display: flex; align-items: center; gap: 10px;
}
.page-header p { color: var(--text-muted); margin: 4px 0 0; font-size: 0.84rem; }

.meta-bar {
  font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px;
  font-family: 'JetBrains Mono', monospace;
}

.sku-link {
  color: var(--primary); cursor: pointer; font-weight: 700;
  text-decoration: underline; text-underline-offset: 2px;
}
.sku-link:hover { color: var(--primary-hover); }

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
  .hide-mobile { display: none !important; }
}
@media (min-width: 641px) {
  .hide-desktop { display: none !important; }
}

/* subtle scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #020617; }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 4px; }


/* Sticky filter bars under nav */
.sticky-filters {
  position: sticky;
  top: 52px;
  z-index: 40;
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px 8px;
  margin: 0 -16px 12px;
}
@media (max-width: 480px) {
  .sticky-filters { top: 48px; }
}