/* ========================================
   Monozuki Social — Auth, Interactions, Toasts
   ======================================== */

/* ── Login Modal ──────────────────────── */
.login-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}
.login-modal-overlay.open {
  display: flex;
}

.login-modal {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.login-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}
.login-modal-close:hover { color: var(--text-primary); }

.login-modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
}

.login-modal-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  line-height: 1.5;
}

.login-modal-form {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1rem;
  text-align: left;
}

.login-modal-field {
  display: grid;
  gap: 0.35rem;
}

.login-modal-field span {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.login-modal-field input {
  width: 100%;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  font: inherit;
}

.login-modal-error {
  margin: 0;
  color: #b42318;
  font-size: 0.8rem;
}

.login-modal-divider {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-modal-divider::before,
.login-modal-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.login-modal-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.login-btn svg { flex-shrink: 0; }

.login-btn-google {
  background: #fff;
  color: #3c4043;
}
.login-btn-google:hover {
  background: #f8f9fa;
  border-color: #dadce0;
}

.login-btn-email {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.login-btn-email:hover {
  opacity: 0.92;
}

.login-btn-github {
  background: #24292f;
  color: #fff;
  border-color: #24292f;
}
.login-btn-github:hover {
  background: #32383f;
}

/* ── Nav Auth UI ──────────────────────── */
.nav-auth {
  display: flex;
  align-items: center;
  margin-left: 0.5rem;
}

.nav-login-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}
.nav-login-btn:hover { opacity: 0.85; }

.nav-user-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-avatar-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
}

.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-subtle);
  transition: border-color 0.15s;
}
.nav-avatar-btn:hover .nav-avatar {
  border-color: var(--accent);
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.5rem 0;
  min-width: 160px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 100;
}
.nav-dropdown.open { display: block; }

.nav-dropdown-name {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 0.25rem;
}

.nav-dropdown a,
.nav-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  text-decoration: none;
  transition: background 0.1s;
}
.nav-dropdown a:hover,
.nav-dropdown button:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ── Card Interactions Bar ────────────── */
.card-interactions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin: 1.5rem auto;
  max-width: 720px;
}

.card-like-btn,
.card-save-btn,
.card-comment-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-body);
  transition: color 0.15s;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.card-like-btn:hover,
.card-save-btn:hover,
.card-comment-link:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.card-like-btn svg,
.card-save-btn svg,
.card-comment-link svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

/* Liked state */
.card-like-btn.liked { color: #ef4444; }
.card-like-btn.liked svg { fill: #ef4444; stroke: #ef4444; }

/* Saved state */
.card-save-btn.saved { color: var(--accent); }
.card-save-btn.saved svg { fill: var(--accent); stroke: var(--accent); }

/* ── Follow Button ────────────────────── */
.follow-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--accent);
  border-radius: 20px;
  background: transparent;
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.follow-btn:hover {
  background: var(--accent);
  color: #fff;
}
.follow-btn.following {
  background: var(--accent);
  color: #fff;
}
.follow-btn.following:hover {
  background: transparent;
  color: var(--accent);
}

/* ── Toast Notifications ──────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--text-primary);
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: auto;
}
.toast-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Comment Threading ─────────────────── */
.comment-reply {
  margin-left: 2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border-subtle);
}

.comment-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.comment-avatar-placeholder {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-tertiary, var(--bg-secondary));
}

.note-comment-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comment-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.25rem;
}
.comment-reply-btn,
.comment-delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-body);
  padding: 0;
}
.comment-reply-btn:hover { color: var(--accent); }
.comment-delete-btn:hover { color: #ef4444; }

.comment-reply-form {
  margin: 0.5rem 0 0.75rem;
}
.comment-reply-form textarea {
  width: 100%;
  font-size: 0.875rem;
  padding: 0.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  resize: vertical;
}
.comment-reply-form-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.comment-reply-form-actions button {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-body);
}
.comment-reply-form-actions button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border: none;
}
.comment-reply-cancel {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.comment-form-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.comment-form-row textarea { flex: 1; }
.comment-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  margin-top: 0.25rem;
}

.comment-deleted {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem 0;
}

/* ── Collection Pages (Saved, Following) ─ */
.collection-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.collection-header {
  margin-bottom: 2rem;
}

.collection-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.25rem;
}

.collection-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

.collection-login-prompt {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.collection-login-prompt p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.collection-loading,
.collection-empty {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 2rem 0;
}

/* ── Following Page ──────────────────── */
.following-section {
  margin-bottom: 2rem;
}

.following-section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.following-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.following-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.following-item-extra {
  flex-shrink: 0;
}

.following-item-thumb {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover;
}

.following-item-info {
  flex: 1;
  min-width: 0;
}

.following-item-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: capitalize;
}
.following-item-name a {
  color: inherit;
  text-decoration: none;
}
.following-item-name a:hover {
  color: var(--accent);
}

.following-item-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mono-card-missing {
  opacity: 0.5;
  pointer-events: none;
}

/* ── Responsive ───────────────────────── */
@media (max-width: 768px) {
  .nav-auth { margin-left: 0.25rem; }
  .nav-login-btn { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
  .card-interactions { padding: 0.75rem 1.5rem; }
}

@media (max-width: 600px) {
  .login-modal { padding: 2rem 1.5rem; }
  .toast-container { bottom: 1rem; right: 1rem; left: 1rem; }
  .toast { text-align: center; }
}