button {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s;
}

button:hover:not(:disabled) {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-soft);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal.hidden {
  display: none !important;
}

.modal-body {
  width: min(480px, 92vw);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-hover);
}

#modal-settings .modal-body {
  width: min(640px, 94vw);
}

#modal-settings .settings-modal-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  width: 100%;
  margin-top: 0.25rem;
  box-sizing: border-box;
}

#modal-settings .settings-modal-actions > button {
  width: 100%;
  min-width: 0;
  margin-bottom: 0;
  box-sizing: border-box;
}

#modal-settings .settings-modal-actions > button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

#modal-settings .settings-modal-actions > button.btn--primary:disabled:hover,
#modal-settings .settings-modal-actions > button.btn--secondary:disabled:hover {
  background: inherit;
  border-color: inherit;
  color: inherit;
  opacity: 0.55;
}

.modal-close {
  float: right;
  width: 2rem;
  height: 2rem;
  line-height: 1;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--color-text);
}

#modal-user-profile .modal-body.user-profile-modal {
  position: relative;
  width: min(420px, 94vw);
  max-height: min(90dvh, 640px);
  overflow: auto;
  box-sizing: border-box;
  text-align: center;
  padding: 2.25rem 1.25rem 1.25rem;
}

#modal-user-profile .user-profile-modal .modal-close {
  float: none;
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
}

#modal-user-profile .user-profile-modal h2 {
  margin: 0 1.75rem 1rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.user-profile-modal__media {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.user-profile-modal__avatar {
  display: block;
  width: auto;
  height: auto;
  max-width: min(85vw, 260px);
  max-height: min(42vh, 280px);
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.user-profile-modal__nickname {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  word-break: break-word;
}

.user-profile-modal__stats {
  margin: 0 0 1.25rem;
  display: grid;
  gap: 0.65rem;
  text-align: left;
}

.user-profile-modal__stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 0.65rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.user-profile-modal__stat dt {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.user-profile-modal__stat dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.user-profile-modal__actions {
  display: flex;
  justify-content: center;
}

.user-profile-modal__actions .btn--secondary {
  min-width: 8rem;
}

input,
textarea {
  width: 100%;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  font-family: inherit;
  box-sizing: border-box;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.settings-avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  max-height: min(50vh, 360px);
  overflow: auto;
  padding: 0.25rem;
}

.settings-avatar-option {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.25rem;
  background: var(--color-bg);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.settings-avatar-option:hover {
  transform: translateY(-1px);
}

.settings-avatar-option.is-selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(39, 110, 241, 0.35);
}

.settings-avatar-option__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  object-fit: contain;
  object-position: center;
  background: var(--color-bg);
  display: block;
}

#toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 8px;
  z-index: 1100;
}

.toast {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}