/* ════════════════════════════════════════════════
   BASE — variáveis, reset, tipografia
   ════════════════════════════════════════════════ */

:root {
  /* Paleta Rio Sucuri Nascentes */
  --c-primary:    #29ABE2;
  --c-primary-dk: #1A7FAD;
  --c-primary-lt: #39B54A;
  --c-mint:       #E0F7FA;
  --c-agua:       #4DD0E1;
  --c-amber:      #F4A261;
  --c-coral:      #E63946;

  --c-text:       #1C1C1E;
  --c-text-sub:   #6B7280;
  --c-bg:         #F3F4F6;
  --c-card:       #FFFFFF;
  --c-border:     #E5E7EB;

  --c-ok:         #22C55E;
  --c-err:        #EF4444;
  --c-warn:       #F59E0B;

  --font-base:    'Inter', -apple-system, system-ui, Segoe UI, Roboto, sans-serif;
  --font-display: 'Bebas Neue', var(--font-base);
  --font-mono:    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 12px rgba(0,0,0,.1);
  --shadow-lg:    0 20px 60px rgba(0,0,0,.2);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--c-primary-dk); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--c-mint);
  color: var(--c-primary-dk);
  padding: 1px 6px;
  border-radius: 4px;
}

.ico {
  vertical-align: middle;
  flex-shrink: 0;
}

/* ─── Splash de carregamento ─── */
.splash {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: linear-gradient(135deg, #E0F7FA, #FFFFFF);
  z-index: 99999;
}
.splash-logo {
  animation: pulse 2s ease-in-out infinite;
}
.splash-name {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.05em;
  color: var(--c-primary-dk);
}
.splash-spin {
  width: 40px;
  height: 40px;
  border: 3px solid var(--c-mint);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.05); opacity: 0.8; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}