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

:root {
  --bg: #0a0a0c;
  --bg-card: #14141a;
  --border: #26262e;
  --text: #f2f2f5;
  --text-muted: #9a9aa5;
  --accent: #5b8def;
  --accent-hover: #4a76d1;
  --danger: #e5484d;
  --success: #4ade80;
  --radius: 10px;
}

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

/* Foco visível — acessibilidade de navegação por teclado (WCAG 2.4.7) */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

.sr-only-focusable {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
  text-decoration: none;
  font-size: 0.85rem;
}

.sr-only-focusable:focus {
  left: 0;
}

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
}

/* Este layout centralizado é usado SOMENTE na tela de login */
body.layout-login {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.card .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-family: 'Space Mono', monospace;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  background-color: #0f0f13;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 18px;
  outline: none;
  transition: border-color 0.2s ease;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--accent);
}

button {
  width: 100%;
  background-color: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: var(--accent-hover);
}

.erro {
  background-color: rgba(229, 72, 77, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.footer-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 20px;
}