@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --bg:        #0A0F1E;
  --bg-card:   #131929;
  --bg-card2:  #1A2236;
  --accent:    #00E5A0;
  --accent2:   #4B8EFF;
  --text:      #F0F4FF;
  --text-muted:#8A94B0;
  --border:    #232D45;
  --danger:    #FF5C5C;
  --gold:      #FFB020;
  --radius:    12px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Nav ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10,15,30,0.92);
  backdrop-filter: blur(8px);
  z-index: 100;
}
.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.btn-nav {
  background: var(--accent);
  color: #0A0F1E;
  border: none;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: opacity .2s;
}
.btn-nav:hover { opacity: 0.85; }

/* ── Botões gerais ── */
.btn-primary {
  background: var(--accent);
  color: #0A0F1E;
  border: none;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: opacity .2s, transform .15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-secondary:hover { border-color: var(--accent2); background: rgba(75,142,255,0.08); }

.btn-google {
  background: var(--bg-card2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  justify-content: center;
}
.btn-google:hover { border-color: var(--accent2); background: rgba(75,142,255,0.1); }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ── AEI number destaque ── */
.iea-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -2px;
  line-height: 1;
}
.iea-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Inputs ── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.input-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}
.input-group input, .input-group select {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 0.9rem;
  outline: none;
  transition: border-color .2s;
}
.input-group input:focus, .input-group select:focus {
  border-color: var(--accent2);
}
.input-group input::placeholder { color: var(--text-muted); }
.input-group select option { background: var(--bg-card2); }

/* ── Tabela ranking ── */
.ranking-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.ranking-table th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.ranking-table td {
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid rgba(35,45,69,0.5);
  vertical-align: middle;
}
.ranking-table tr:last-child td { border-bottom: none; }
.ranking-table tr:hover td { background: rgba(255,255,255,0.02); }
.rank-pos { font-weight: 700; color: var(--text-muted); width: 36px; }
.rank-pos.top1 { color: var(--gold); }
.rank-pos.top2 { color: #C0C0C0; }
.rank-pos.top3 { color: #CD7F32; }
.rank-iea { font-weight: 700; color: var(--accent); font-size: 1rem; }
.rank-name { font-weight: 500; }
.rank-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(0,229,160,0.12);
  color: var(--accent);
}

/* ── Badge chips ── */
.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 500;
}
.badge-chip.earned { border-color: var(--accent); color: var(--accent); }
.badge-chip.locked { color: var(--text-muted); }

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent2);
  background: rgba(75,142,255,0.05);
}
.upload-zone p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.5rem; }

/* ── Alert / Banner ── */
.banner {
  background: rgba(255,176,32,0.1);
  border: 1px solid rgba(255,176,32,0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Gráfico placeholder ── */
.chart-area {
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Utilitários ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }
.section-sm { padding: 2rem 0; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 90%;
  max-width: 460px;
}
.modal h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 1rem; }
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  float: right;
  margin-top: -0.25rem;
}

/* ── Spinner ── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ── Responsivo ── */
@media (max-width: 768px) {
  nav { padding: 0.9rem 1rem; }
  .nav-links a:not(.btn-nav) { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .iea-number { font-size: 2.5rem; }
  .section { padding: 2.5rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}