/* ═══════════════════════════════════════
   AUTH — overlay de login
   ═══════════════════════════════════════ */

.auth-ov {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}

.auth-box {
  width: 100%; max-width: 320px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}

.auth-logo {
  font-family: 'Syne', sans-serif;
  font-size: 52px; font-weight: 800;
  color: var(--text); line-height: 1;
}
.auth-logo b { color: var(--accent); }

.auth-box h2 { font-size: 20px; font-weight: 700; letter-spacing: -.2px; margin-top: 4px; }
.auth-box p  { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }

.auth-input {
  width: 100%;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
  color: var(--text); font-size: 16px; outline: none;
  text-align: center; letter-spacing: 3px;
  transition: border-color .2s, box-shadow .2s;
  font-family: 'Syne', sans-serif;
}
.auth-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,142,247,.12); }

.auth-err {
  font-size: 12px; color: var(--accent2);
  opacity: 0; transition: opacity .2s; min-height: 16px;
}

.auth-btn {
  width: 100%;
  background: linear-gradient(135deg, #6ba8ff, var(--accent));
  border: none; border-radius: var(--radius-sm);
  padding: 14px; color: #fff;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 14px;
  cursor: pointer; transition: opacity .15s, transform .15s;
  margin-top: 4px; letter-spacing: .3px;
}
.auth-btn:hover  { opacity: .88; }
.auth-btn:active { transform: scale(.97); }