:root {
  --green: #3ec1a0;
  --green-dark: #2ea888;
  --bg: #f7f9f8;
  --card-bg: #ffffff;
  --text: #24313a;
  --muted: #6b7a80;
  --border: #e3e8e7;
  --warn-bg: #fff4e5;
  --warn-text: #9a5b00;
  --danger: #e0575b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141a19;
    --card-bg: #1d2624;
    --text: #eef4f2;
    --muted: #9fb0ab;
    --border: #2c3835;
    --warn-bg: #3a2c12;
    --warn-text: #ffcf82;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero__title {
  font-size: 2.4rem;
  margin: 0;
  color: var(--green-dark);
  letter-spacing: 0.02em;
}

.hero__sub {
  margin: 4px 0 0;
  font-weight: 600;
  color: var(--muted);
}

.hero__desc {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.search {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

#username-input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 1rem;
}

#username-input:focus {
  outline: none;
  border-color: var(--green);
}

#username-input::-webkit-calendar-picker-indicator,
#username-input::-webkit-list-button {
  display: none !important;
}

#check-button {
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  background: var(--green);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease;
}

#check-button:hover {
  background: var(--green-dark);
}

#check-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.status {
  text-align: center;
  color: var(--muted);
  margin-bottom: 16px;
}

.status.error {
  color: var(--danger);
  font-weight: 600;
}

.profile-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.profile-card img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.profile-card__name {
  font-weight: 700;
  font-size: 1.05rem;
}

.profile-card__stats {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 2px;
}

.warning {
  background: var(--warn-bg);
  color: var(--warn-text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 32px 0;
  font-size: 1rem;
}

.account-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.account-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
}

.account-list img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.account-list a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  flex: 1;
}

.account-list a:hover {
  color: var(--green-dark);
  text-decoration: underline;
}

.account-list li.done {
  opacity: 0.5;
}

.account-section {
  margin-bottom: 20px;
}

.section-title {
  font-size: 1rem;
  margin: 0;
  color: var(--text);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.settings-toggle.small {
  width: auto;
  white-space: nowrap;
  padding: 6px 12px;
  font-size: 0.82rem;
}

.account-section-body {
  margin-top: 4px;
}

.account-list .row-status {
  font-size: 0.8rem;
  color: var(--muted);
}

.account-list .row-status.error {
  color: var(--danger);
}

.bulk-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px;
}

.settings-toggle {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.settings-toggle:hover {
  border-color: var(--green);
}

.disclosure-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.disclosure-toggle:hover {
  border-color: var(--green);
  color: var(--green-dark);
}

.disclosure-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  opacity: 0.6;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}

.disclosure-toggle.open::after {
  transform: rotate(-135deg);
}

.cookie-help {
  margin-top: 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--muted);
}

.cookie-help ol {
  margin: 8px 0;
  padding-left: 20px;
}

.cookie-help code {
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 4px;
}

.cookie-warning {
  color: var(--warn-text);
  background: var(--warn-bg);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.rate-limit-note {
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.5;
  margin-top: 10px;
}

#cookie-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.bulk-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.select-all {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
}

#unfollow-button,
#follow-button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

#unfollow-button {
  background: var(--danger);
}

#follow-button {
  background: var(--green);
}

#follow-button:hover {
  background: var(--green-dark);
}

#unfollow-button:disabled,
#follow-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.account-checkbox {
  flex-shrink: 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  position: relative;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 28px 24px 24px;
  max-width: 380px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
}

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

.modal-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
}

.modal-profile img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
}

.modal-profile__name {
  font-weight: 700;
  font-size: 1.05rem;
}

.modal-profile__stats {
  color: var(--muted);
  font-size: 0.85rem;
}

.modal-profile__bio {
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  text-align: left;
  max-height: 120px;
  overflow-y: auto;
  width: 100%;
}

.modal-profile__link {
  font-size: 0.85rem;
  color: var(--green-dark);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
  width: 100%;
}

.modal-action-button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.modal-action-button.danger {
  background: var(--danger);
}

.modal-action-button.primary {
  background: var(--green);
}

.modal-action-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.modal-status {
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
  margin: 0;
}

.modal-status.error {
  color: var(--danger);
}

.confirm-overlay {
  z-index: 200;
}

.confirm-modal {
  max-width: 320px;
  text-align: center;
}

.confirm-modal__message {
  font-size: 0.92rem;
  line-height: 1.6;
  white-space: pre-wrap;
  margin: 0 0 20px;
}

.confirm-modal__actions {
  display: flex;
  gap: 10px;
}

.confirm-modal__button {
  flex: 1;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  font-weight: 700;
  cursor: pointer;
}

.confirm-modal__button.cancel {
  background: var(--bg);
  color: var(--text);
}

.confirm-modal__button.ok {
  background: var(--green);
  color: #fff;
}