:root {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --accent-primary: #1d9bf0;
  --accent-secondary: #7b78ff;
  --accent-danger: #f4212e;
  --radius-large: 28px;
  --radius-medium: 18px;
  --radius-small: 12px;
  --transition-fast: 0.2s ease;
  --shadow-strong: 0 18px 42px rgba(0, 0, 0, 0.22);
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.18);
}

:root[data-mode='dark'] {
  color-scheme: dark;
  --body-bg: #0f1419;
  --card-bg: #161b22;
  --card-bg-secondary: #1e242c;
  --card-border: rgba(255, 255, 255, 0.08);
  --surface-subtle: rgba(255, 255, 255, 0.05);
  --text-primary: #e7e9ea;
  --text-secondary: #9ba4b3;
  --text-muted: #6f7a87;
  --stat-bg: #141a20;
  --tweet-surface: #1b222c;
  --tweet-border: rgba(255, 255, 255, 0.06);
  --input-bg: #13181f;
  --divider: rgba(255, 255, 255, 0.1);
  --alert-danger-bg: rgba(244, 33, 46, 0.1);
  --alert-danger-border: rgba(244, 33, 46, 0.35);
  --alert-success-bg: rgba(29, 155, 240, 0.12);
  --alert-success-border: rgba(29, 155, 240, 0.28);
  --contact-bg: #16273b;
  --contact-border: rgba(29, 155, 240, 0.45);
  --example-highlight: rgba(29, 155, 240, 0.06);
  --rule-bg-1: rgba(29, 155, 240, 0.14);
  --rule-border-1: rgba(29, 155, 240, 0.28);
  --rule-bg-2: rgba(123, 120, 255, 0.14);
  --rule-border-2: rgba(123, 120, 255, 0.28);
  --rule-bg-3: rgba(244, 142, 54, 0.14);
  --rule-border-3: rgba(244, 142, 54, 0.3);
  --rule-bg-4: rgba(16, 205, 189, 0.14);
  --rule-border-4: rgba(16, 205, 189, 0.3);
  --rule-bg-5: rgba(148, 214, 106, 0.16);
  --rule-border-5: rgba(148, 214, 106, 0.32);
}

:root[data-mode='light'] {
  color-scheme: light;
  --body-bg: #f5f7fa;
  --card-bg: #ffffff;
  --card-bg-secondary: #f1f3f7;
  --card-border: rgba(15, 20, 25, 0.1);
  --surface-subtle: rgba(15, 20, 25, 0.05);
  --text-primary: #0f1419;
  --text-secondary: #4f6378;
  --text-muted: #97a3b4;
  --stat-bg: #f1f3f7;
  --tweet-surface: #ffffff;
  --tweet-border: rgba(15, 20, 25, 0.08);
  --input-bg: #f1f3f8;
  --divider: rgba(15, 20, 25, 0.12);
  --alert-danger-bg: rgba(244, 33, 46, 0.12);
  --alert-danger-border: rgba(244, 33, 46, 0.25);
  --alert-success-bg: rgba(29, 155, 240, 0.16);
  --alert-success-border: rgba(29, 155, 240, 0.28);
  --contact-bg: #e8f3fc;
  --contact-border: rgba(29, 155, 240, 0.35);
  --example-highlight: rgba(123, 120, 255, 0.06);
  --shadow-strong: 0 18px 48px rgba(15, 20, 25, 0.12);
  --shadow-soft: 0 14px 38px rgba(15, 20, 25, 0.1);
  --rule-bg-1: #e9f3ff;
  --rule-border-1: rgba(29, 155, 240, 0.28);
  --rule-bg-2: #f0efff;
  --rule-border-2: rgba(123, 120, 255, 0.28);
  --rule-bg-3: #fff4ea;
  --rule-border-3: rgba(244, 142, 54, 0.28);
  --rule-bg-4: #e9fbf8;
  --rule-border-4: rgba(16, 205, 189, 0.26);
  --rule-bg-5: #eef8e9;
  --rule-border-5: rgba(148, 214, 106, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--body-bg);
  color: var(--text-primary);
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

.page {
  min-height: 100vh;
  padding: 56px 16px 72px;
}

/* 改善移动端触摸体验 */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  /* 防止容器溢出 */
  max-width: 100%;
  box-sizing: border-box;
}

input, textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* 移动端触摸反馈优化 */
button, .theme-toggle, .theme-toggle-compact, .tweet-action {
  -webkit-tap-highlight-color: rgba(29, 155, 240, 0.2);
  transition: transform 0.1s ease, opacity 0.2s ease;
}

button:active, .theme-toggle:active, .tweet-action:active {
  transform: scale(0.98);
  opacity: 0.8;
}

/* 主题切换按钮的特殊处理，避免变换冲突 */
.theme-toggle-compact:active {
  opacity: 0.8;
}

@media (hover: none) and (pointer: coarse) {
  /* 移动设备专用样式 */
  .tweet-action {
    padding: 8px 12px 8px 8px;
  }

  .tweet-action .icon-wrap {
    width: 36px;
    height: 36px;
  }

  .theme-toggle {
    min-height: 44px; /* iOS 推荐最小触摸目标 */
  }

  .profile-field input, textarea.tweet-input {
    min-height: 44px;
  }

  /* 移动端滚动优化 */
  body {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  /* 移动端焦点管理 */
  textarea.tweet-input:focus, .profile-field input:focus {
    box-shadow: 0 0 0 3px rgba(29, 155, 240, 0.3);
    border-color: var(--accent-primary);
  }
}

.shell {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.header {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
  min-height: 60px;
}

.header-top h1 {
  text-align: center;
  margin: 0;
}

/* 在移动端保持主题按钮在右上角，标题居中 */
@media (max-width: 720px) {
  .header-top {
    align-items: center;
    padding: 4px 20px 4px 20px;
    position: relative;
  }

  .header-top h1 {
    text-align: center;
    flex: 1;
    margin: 0;
  }

  .theme-toggle-compact {
    position: absolute;
    top: 50%;
    right: 20px;
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    gap: 0;
    transform: translateY(-50%);
  }

  .theme-toggle-compact:active {
    transform: translateY(-50%) scale(0.95);
  }

  .theme-toggle-compact .theme-label {
    display: none;
  }

  .theme-toggle-compact svg {
    width: 16px;
    height: 16px;
  }
}

.header h1 {
  margin: 0;
  font-size: clamp(1.75rem, 2.6vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.header p {
  margin: 0 auto;
  max-width: 640px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  text-align: center;
}

.theme-toggle {
  border: 1px solid var(--card-border);
  background: var(--surface-subtle);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.theme-toggle span.label {
  font-size: 0.88rem;
  font-weight: 500;
}

.theme-toggle span.icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
}

/* 紧凑型主题切换按钮 */
.theme-toggle-compact {
  border: 1px solid var(--card-border);
  background: var(--surface-subtle);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
  white-space: nowrap;
}

.theme-toggle-compact:hover {
  border-color: var(--accent-primary);
  background: var(--card-bg);
  transform: scale(1.05);
}

.theme-toggle-compact:active {
  transform: scale(0.95);
}

.theme-toggle-compact svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.theme-toggle-compact:hover svg {
  color: var(--accent-primary);
}

.theme-toggle-compact .theme-label {
  font-size: 0.88rem;
  font-weight: 500;
}

.contact-card {
  border-radius: var(--radius-large);
  background: var(--contact-bg);
  border: 1px solid var(--contact-border);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-soft);
}

.contact-card span.label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-card strong {
  font-size: 1.05rem;
}

.contact-card a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
}

.contact-card a:hover {
  text-decoration: underline;
}

.main-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

/* 更好的移动端分列优化 */
@media (max-width: 960px) {
  .main-grid {
    gap: 20px;
  }
}

.panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-large);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: var(--shadow-strong);
}

.section-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-large);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-soft);
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.panel-header span {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.panel-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

textarea.tweet-input {
  width: 100%;
  resize: none;
  min-height: 280px;
  border-radius: 22px;
  border: 1px solid var(--card-border);
  background: var(--input-bg);
  color: var(--text-primary);
  padding: 22px;
  line-height: 1.6;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

textarea.tweet-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(29, 155, 240, 0.2);
  outline: none;
}

.input-label {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-caption {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.input-hint {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  background: var(--card-bg-secondary);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-medium);
  padding: 16px 18px;
}

.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.stat-card {
  flex: 1 1 180px;
  background: var(--stat-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card span.label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.stat-card span.value {
  font-size: 1.45rem;
  font-weight: 600;
}

.stat-card span.value.safe {
  color: var(--accent-primary);
}

.stat-card span.value.danger {
  color: var(--accent-danger);
}

.alert {
  border-radius: 18px;
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.92rem;
  line-height: 1.6;
}

.alert strong {
  font-weight: 600;
}

.alert.danger {
  border: 1px solid var(--alert-danger-border);
  background: var(--alert-danger-bg);
  color: var(--accent-danger);
}

.alert.success {
  border: 1px solid var(--alert-success-border);
  background: var(--alert-success-bg);
  color: var(--accent-primary);
}

.profile-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.profile-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.profile-field label {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-field input {
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--input-bg);
  padding: 12px 14px;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.profile-field input:focus {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 0 2px rgba(123, 120, 255, 0.2);
  outline: none;
}

.tweet-card {
  border-radius: 20px;
  border: 1px solid var(--tweet-border);
  background: var(--tweet-surface);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  min-width: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.tweet-head {
  display: flex;
  gap: 14px;
}

.tweet-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--surface-subtle);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tweet-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tweet-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tweet-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tweet-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1rem;
}

.tweet-name-row strong {
  font-weight: 700;
  color: var(--text-primary);
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #fff;
}

.tweet-handle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.tweet-text {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  word-wrap: break-word;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--text-primary);
  max-width: 100%;
}

.tweet-text button.inline-toggle {
  background: none;
  border: none;
  color: var(--accent-primary);
  padding: 0 0 0 4px;
  cursor: pointer;
  font-weight: 500;
}

.tweet-text button.inline-toggle:hover {
  text-decoration: underline;
}

.tweet-text button.inline-toggle.collapse {
  display: inline-block;
  margin-top: 8px;
  padding-left: 0;
}

.tweet-text span.fade {
  color: var(--text-muted);
}

.tweet-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  max-width: 380px;
}

.tweet-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  border-radius: 999px;
  padding: 6px 10px 6px 6px;
  transition: color var(--transition-fast);
}

.tweet-action .icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.tweet-action:hover {
  color: var(--accent-primary);
}

.tweet-action:hover .icon-wrap {
  background: rgba(29, 155, 240, 0.16);
}

.section-card h3 {
  margin: 0;
  font-size: 1.18rem;
}

.tip-list {
  display: grid;
  gap: 14px;
}

.tip-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.tip-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

.tip-bullet {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(29, 155, 240, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.example-card {
  border-radius: 22px;
  border: 1px solid var(--card-border);
  background: var(--card-bg-secondary);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0; /* 允许flex项目收缩 */
  overflow: hidden; /* 防止内容溢出 */
}

.example-card header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.example-heading h4 {
  margin: 0;
  font-size: 1.05rem;
}

.example-heading .example-pill {
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(29, 155, 240, 0.08);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.example-card header span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.example-card.demo-strong {
  border-color: rgba(244, 33, 46, 0.24);
  background: var(--card-bg-secondary);
}

.example-meta {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}

.rule-item {
  background: var(--card-bg-secondary);
  border-radius: 18px;
  border: 1px solid var(--card-border);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rule-item.full {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 12px;
}

.rule-item strong {
  color: var(--text-primary);
}

.rule-item span {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.rule-item:nth-child(1) {
  background: var(--card-bg-secondary);
  /*border-color: var(--rule-border-1);*/
}

.rule-item:nth-child(2) {
  background: var(--card-bg-secondary);
  /*border-color: var(--rule-border-2);*/
}

.rule-item:nth-child(3) {
  background: var(--card-bg-secondary);
  /*border-color: var(--rule-border-3);*/
}

.rule-item:nth-child(4) {
  background: var(--card-bg-secondary);
  /*border-color: var(--rule-border-4);*/
}

.rule-item.full {
  background: var(--card-bg-secondary);
  /*border-color: var(--rule-border-5);*/
}

.footer-note {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .profile-controls {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 32px 12px 48px;
  }

  .shell {
    gap: 24px;
  }

  .panel,
  .section-card,
  .contact-card {
    padding: 20px 16px;
    border-radius: 20px;
  }

  .tweet-actions {
    max-width: none;
    justify-content: space-around;
    gap: 4px;
  }

  .tweet-action {
    padding: 4px 6px 4px 4px;
  }

  .tweet-action .icon-wrap {
    width: 32px;
    height: 32px;
  }

  .examples-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rule-item.full {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .rules-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stats-row {
    gap: 12px;
  }

  .stat-card {
    flex: 1 1 140px;
    padding: 14px;
  }

  .contact-card {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 24px 16px 40px;
  }

  .header-top {
    padding: 4px 16px 4px 16px;
  }

  .shell {
    gap: 20px;
  }

  .header h1 {
    font-size: 1.55rem;
    line-height: 1.3;
  }

  .header p {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .panel,
  .section-card,
  .contact-card {
    padding: 16px 12px;
    border-radius: 18px;
    gap: 16px;
  }

  textarea.tweet-input {
    min-height: 200px;
    padding: 16px;
    border-radius: 16px;
    font-size: 16px; /* 防止 iOS 缩放 */
  }

  .tweet-head {
    gap: 10px;
  }

  .tweet-avatar {
    width: 40px;
    height: 40px;
  }

  .tweet-card {
    padding: 16px;
    border-radius: 16px;
    gap: 14px;
  }

  .theme-toggle-compact {
    width: 32px;
    height: 32px;
    position: absolute;
    top: 50%;
    right: 16px;
    padding: 0;
    border-radius: 50%;
    gap: 0;
    transform: translateY(-50%);
  }

  .theme-toggle-compact:active {
    transform: translateY(-50%) scale(0.95);
  }

  .theme-toggle-compact .theme-label {
    display: none;
  }

  .theme-toggle-compact svg {
    width: 14px;
    height: 14px;
  }

  .profile-field input {
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 16px; /* 防止 iOS 缩放 */
  }

  .alert {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 0.9rem;
  }

  .example-card {
    padding: 16px;
    border-radius: 16px;
    gap: 14px;
  }

  .rule-item {
    padding: 14px;
    border-radius: 14px;
  }

  .stats-row {
    gap: 8px;
  }

  .stat-card {
    flex: 1 1 120px;
    padding: 12px;
    border-radius: 14px;
  }

  .stat-card span.value {
    font-size: 1.3rem;
  }

  .tip-list {
    gap: 12px;
  }

  .tip-item {
    grid-template-columns: 28px 1fr;
    gap: 10px;
    font-size: 0.9rem;
  }

  .tip-bullet {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
  }
}

/* 超小屏幕优化 (360px 以下) */
@media (max-width: 360px) {
  .page {
    padding: 20px 12px 32px;
  }

  .header-top {
    padding: 4px 20px 4px 20px;
  }

  .header h1 {
    font-size: 1.4rem;
  }

  .panel,
  .section-card,
  .contact-card {
    padding: 12px 10px;
    gap: 12px;
  }

  .tweet-card {
    padding: 12px;
    gap: 12px;
  }

  .stats-row {
    gap: 6px;
  }

  .stat-card {
    flex: 1 1 100px;
    padding: 10px 8px;
  }

  .stat-card span.value {
    font-size: 1.2rem;
  }

  .stat-card span.label {
    font-size: 0.7rem;
  }

  textarea.tweet-input {
    min-height: 180px;
    padding: 12px;
  }

  .example-card {
    padding: 12px;
  }

  .tweet-avatar {
    width: 36px;
    height: 36px;
  }

  .theme-toggle-compact {
    width: 28px;
    height: 28px;
    top: 50%;
    right: 20px;
    padding: 0;
    border-radius: 50%;
    gap: 0;
    transform: translateY(-50%);
  }

  .theme-toggle-compact:active {
    transform: translateY(-50%) scale(0.95);
  }

  .theme-toggle-compact .theme-label {
    display: none;
  }

  .theme-toggle-compact svg {
    width: 12px;
    height: 12px;
  }
}