/* ===== AUTH SCREEN ===== */
#auth-overlay {
  background: var(--paper2);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
#auth-overlay.show { display: flex; }

.auth-card {
  background: var(--paper);
  border: 1.5px solid var(--rule);
  border-radius: 16px;
  padding: 36px 32px;
  width: 380px;
  max-width: 96vw;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.auth-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 28px;
  color: rgba(255,255,255,0.9);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  line-height: 1;
}
.auth-logo span { color: var(--accent2); font-style: italic; }

.auth-tagline {
  font-size: 13px;
  color: var(--ink3);
  margin-bottom: 28px;
}

.auth-field {
  margin-bottom: 16px;
}
.auth-label {
  display: block;
  font-size: 11px;
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 6px;
}
.auth-input {
  width: 100%;
  background: var(--paper2);
  border: 1.5px solid var(--rule);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.auth-input:focus { border-color: var(--accent); }
.auth-hint {
  font-size: 11px;
  color: var(--ink4);
  margin-top: 5px;
}

.auth-error {
  font-size: 13px;
  color: var(--red);
  min-height: 18px;
  margin-bottom: 12px;
}

.auth-btn {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  border: none;
  border-radius: 9px;
  color: white;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
  margin-bottom: 12px;
}
.auth-btn:hover    { opacity: 0.87; }
.auth-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-note {
  font-size: 12px;
  color: var(--ink4);
  text-align: center;
  line-height: 1.5;
}