/* ==========================================================================
   ACCELERA 360 (`accelera360.com.br`) — DESIGN SYSTEM ESCOLA VIVA & PLAYER HD
   ========================================================================== */

:root {
  --bg-deep: #06080d;
  --bg-surface: #0c1018;
  --bg-card: #121824;
  --border-subtle: rgba(255, 255, 255, 0.09);
  --brand-primary: #f59e0b;
  --brand-accent: #00f5a0;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --danger: #f43f5e;
  --radius-sm: 8px;
  --radius-md: 12px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
}

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand-primary);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), #fbbf24);
  color: #06080d;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-outline:hover { border-color: var(--brand-primary); }
.btn-sm { padding: 7px 12px; font-size: 0.8rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 8, 13, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  cursor: pointer;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--brand-primary);
  box-shadow: 0 0 12px var(--brand-primary);
}

.nav-links { display: flex; gap: 18px; flex-wrap: wrap; }
.nav-link { background: none; border: none; color: var(--text-secondary); font-size: 0.88rem; cursor: pointer; }
.nav-link:hover, .nav-link.active { color: var(--brand-primary); }

.hero-section {
  padding: 80px 0 60px;
  background: radial-gradient(circle at 25% 15%, rgba(245, 158, 11, 0.12), transparent 45%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-title {
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 18px 0;
}

.text-gradient {
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
}

.section-block { padding: 68px 0; border-bottom: 1px solid var(--border-subtle); }
.section-title { font-size: clamp(1.6rem, 2.8vw, 2.3rem); font-weight: 800; margin-bottom: 12px; }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
  background: #080b12;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.os-shell { display: grid; grid-template-columns: 270px 1fr; min-height: calc(100vh - 72px); }
.os-sidebar { background: var(--bg-surface); border-right: 1px solid var(--border-subtle); padding: 20px 14px; display: flex; flex-direction: column; justify-content: space-between; }
.os-nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  margin-bottom: 6px;
}
.os-nav-item.active {
  background: rgba(245, 158, 11, 0.14);
  color: var(--brand-primary);
  border-color: rgba(245, 158, 11, 0.35);
}
.os-main { padding: 28px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-table th, .data-table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border-subtle); }

.toast-banner {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: #121824;
  border: 1px solid var(--brand-primary);
  padding: 14px 18px;
  border-radius: 10px;
}

@media (max-width: 900px) {
  .os-shell { grid-template-columns: 1fr; }
}