/* ════════════════════════════════════════════════════════════════════
   GUEST MODE — styles
   Reuses the app's existing design tokens (see :root in
   literature-review.css) so this never looks like a bolted-on layer.
════════════════════════════════════════════════════════════════════ */

/* ── Sidebar: Login / Create buttons replacing the account block ── */
.evi-guest-sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 2px 2px;
}

/* Slimmer sidebar buttons (lock-card buttons keep their own size) */
.evi-guest-sidebar-actions .evi-guest-btn {
  padding: 7px 12px;
  font-size: 0.8rem;
}

.evi-guest-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--r-sm, 8px);
  border: 1px solid var(--border, rgba(43,24,23,0.10));
  background: var(--bg-surface, #fff);
  color: var(--ink, #1a1210);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  box-sizing: border-box;
}
.evi-guest-btn:hover {
  background: var(--bg-elevated, #f2efea);
  border-color: var(--border-hover, rgba(43,24,23,0.18));
}
.evi-guest-btn.primary {
  background: var(--teal-soft, rgba(60,110,99,0.10));
  border-color: var(--border-teal, rgba(60,110,99,0.22));
  color: var(--teal-dim, #345f56);
}
.evi-guest-btn.primary:hover {
  background: rgba(60, 110, 99, 0.16);
  border-color: var(--teal, #3c6e63);
}

/* Icon is hidden while the sidebar is expanded (text buttons as before);
   when collapsed the label hides and each button becomes a square icon. */
.evi-guest-btn-icon { display: none; font-size: 18px; line-height: 1; }

#sidebar.hide .evi-guest-sidebar-actions {
  align-items: center;
  padding: 4px 0 2px;
}
#sidebar.hide .evi-guest-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 10px;
}
#sidebar.hide .evi-guest-btn-label { display: none; }
#sidebar.hide .evi-guest-btn-icon  { display: inline-block; }

/* ── Sidebar: greyed-out Exports / Workspace nav items ── */
.evi-nav-locked > a {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: auto; /* keep clickable so the "sign in to unlock" toast fires */
}
.evi-nav-locked > a:hover { background: transparent !important; color: inherit !important; }

/* ── Top-of-page guest banner (Dashboard / Projects) ── */
.evi-guest-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 9px 14px;
  margin: 0 0 12px;
  border-radius: var(--r-sm, 8px);
  border: 1px solid var(--border-teal, rgba(60,110,99,0.22));
  background: var(--teal-soft, rgba(60,110,99,0.10));
  color: var(--ink-soft, #5f5551);
  font-size: 0.82rem;
}
.evi-guest-banner a {
  color: var(--teal, #3c6e63);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.evi-guest-banner a:hover { text-decoration: underline; }

/* ── Full-page lock (Workspace / Exports reached directly) ── */
.evi-guest-dimmed {
  filter: blur(3px) saturate(0.7);
  pointer-events: none;
  user-select: none;
}

.evi-guest-lock {
  position: absolute;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(250, 250, 249, 0.55);
}

.evi-guest-lock-card {
  max-width: 420px;
  width: 100%;
  padding: 26px 28px;
  border-radius: var(--r-card, 8px);
  border: 1px solid var(--border, rgba(43,24,23,0.10));
  background: var(--bg-surface, #fff);
  box-shadow: 0 12px 32px rgba(26, 18, 16, 0.12);
  text-align: center;
}
.evi-guest-lock-card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink, #1a1210);
}
.evi-guest-lock-card p {
  margin: 0 0 18px;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ink-soft, #5f5551);
}
.evi-guest-lock-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.evi-guest-lock-actions .evi-guest-btn { width: auto; padding: 9px 18px; }

/* Needs a positioned ancestor for the overlay's inset:0 to work */
#content { position: relative; }

.evi-guest-limit-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(26, 18, 16, 0.32);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.evi-guest-limit-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.evi-guest-limit-card {
  position: relative;
  max-width: 380px;
  width: 100%;
  padding: 26px 28px;
  border-radius: var(--r-card, 8px);
  border: 1px solid var(--border, rgba(43,24,23,0.10));
  background: var(--bg-surface, #fff);
  box-shadow: 0 16px 40px rgba(26, 18, 16, 0.18);
  text-align: center;
  transform: translateY(6px);
  transition: transform 0.18s ease;
}
.evi-guest-limit-overlay.show .evi-guest-limit-card { transform: translateY(0); }

.evi-guest-limit-icon {
  width: 42px;
  height: 42px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--teal-soft, rgba(60,110,99,0.10));
  color: var(--teal, #3c6e63);
  font-size: 1.25rem;
}

.evi-guest-limit-card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink, #1a1210);
}
.evi-guest-limit-card p {
  margin: 0 0 18px;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ink-soft, #5f5551);
}

.evi-guest-limit-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--ink-muted, #8f817b);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}
.evi-guest-limit-close:hover { background: var(--bg-elevated, #f2efea); color: var(--ink, #1a1210); }

/* ── Blocked-action feedback on the Projects page ── */
.evi-guest-shake { animation: evi-guest-shake 0.4s ease; }
@keyframes evi-guest-shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-3px); }
  40%, 60% { transform: translateX(3px); }
}

.evi-guest-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 12px);
  z-index: 999;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--brand-dark, #2b1817);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}
.evi-guest-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 640px) {
  .evi-guest-toast { white-space: normal; max-width: 88vw; text-align: center; }
}

/* ── Sidebar project list: every project is shown, only the demo one opens ── */
.sidebar-project-card.evi-guest-locked {
  opacity: 0.55;
  cursor: not-allowed;
}
.sidebar-project-card.evi-guest-locked:hover { background: transparent; }