/* ============================================
   Old Twitter - Style
   2010-2012年頃の旧Twitter UIを再現
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic Pro", Meiryo, sans-serif;
  font-size: 13px;
  color: #333;
  background-color: #C0DEED;
  line-height: 1.5;
}

a {
  color: #0084B4;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* --- Header Bar --- */
.global-header {
  background: linear-gradient(to bottom, #55ACEE, #2795D9);
  border-bottom: 1px solid #1a7ab5;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 40px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 10px;
}

.logo {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  margin-right: 20px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.header-search {
  flex: 0 0 220px;
  margin-right: auto;
}

.search-input {
  width: 100%;
  height: 26px;
  padding: 2px 8px;
  font-size: 12px;
  border: 1px solid #1a7ab5;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.9);
  color: #333;
  outline: none;
}

.header-nav {
  display: flex;
  gap: 4px;
}

.nav-link {
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 4px;
  text-decoration: none;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.nav-link.nav-active {
  background: rgba(255, 255, 255, 0.2);
}

/* --- 3-Column Layout --- */
.container {
  max-width: 960px;
  margin: 54px auto 20px;
  display: flex;
  gap: 14px;
  padding: 0 10px;
}

.sidebar-left {
  flex: 0 0 220px;
  min-width: 0;
}

.timeline {
  flex: 1 1 auto;
  min-width: 0;
}

.sidebar-right {
  flex: 0 0 220px;
  min-width: 0;
}

/* --- Common Box Style --- */
.profile-card,
.tweet-box,
.trends-box,
.suggestions-box,
.timeline-header {
  background: #fff;
  border: 1px solid #E8E8E8;
  border-radius: 5px;
  margin-bottom: 10px;
}

/* --- Left Sidebar: Profile Card --- */
.profile-card {
  padding: 0;
  overflow: hidden;
}

.profile-header-bg {
  height: 60px;
  background: linear-gradient(to bottom, #55ACEE, #4A9FDB);
}

.profile-body {
  padding: 0 12px 12px;
  margin-top: -20px;
}

.profile-icon {
  width: 48px;
  height: 48px;
  background: #C0DEED;
  border-radius: 4px;
  border: 2px solid #fff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* たまごアイコン（旧Twitterデフォルト） */
.egg-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.egg-body {
  width: 20px;
  height: 24px;
  background: #E8E8E8;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
}

.profile-info {
  margin-bottom: 10px;
}

.profile-name {
  display: block;
  font-weight: bold;
  font-size: 14px;
  color: #333;
}

.profile-screen-name {
  display: block;
  font-size: 11px;
  color: #999;
}

.profile-stats {
  display: flex;
  gap: 0;
  border-top: 1px solid #E8E8E8;
  padding-top: 8px;
}

.stat {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none;
}

.stat:hover .stat-value {
  color: #0084B4;
}

.stat-label {
  font-size: 10px;
  color: #999;
}

.stat-value {
  font-size: 16px;
  font-weight: bold;
  color: #0084B4;
}

/* --- Left Sidebar: Tweet Box --- */
.tweet-box {
  padding: 12px;
}

.tweet-box-label {
  font-size: 13px;
  color: #999;
  margin-bottom: 8px;
}

.tweet-box-input {
  width: 100%;
  height: 50px;
  border: 1px solid #E8E8E8;
  border-radius: 3px;
  background: #F8F8F8;
  margin-bottom: 8px;
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  color: #999;
  resize: none;
}

.tweet-box-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.tweet-counter {
  font-size: 12px;
  color: #999;
}

.tweet-box-input:focus {
  border-color: #55ACEE;
  background: #fff;
  color: #333;
  outline: none;
}

.tweet-btn {
  background: linear-gradient(to bottom, #55ACEE, #2795D9);
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  border: 1px solid #1a7ab5;
  border-radius: 4px;
  padding: 5px 14px;
  cursor: default;
  opacity: 0.6;
}

.tweet-btn.active {
  opacity: 1;
  cursor: pointer;
}

.tweet-btn.active:hover {
  background: linear-gradient(to bottom, #6FBEF5, #2795D9);
}

.tweet-counter.warning {
  color: #D40D12;
  font-weight: bold;
}

/* --- Timeline --- */
.timeline-header {
  padding: 10px 12px;
}

.timeline-header h2 {
  font-size: 15px;
  font-weight: bold;
  color: #333;
}

#timeline-list {
  background: #fff;
  border: 1px solid #E8E8E8;
  border-radius: 5px;
  overflow: hidden;
}

/* --- Tweet Card --- */
.tweet-card {
  display: flex;
  padding: 10px 12px;
  border-bottom: 1px solid #E8E8E8;
  gap: 10px;
  animation: tweet-in 0.3s ease-out;
}

@keyframes tweet-in {
  from {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
  }
  to {
    opacity: 1;
    max-height: 200px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
}

.tweet-card:hover {
  background: #F5F8FA;
}

.tweet-avatar {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 4px;
  overflow: hidden;
}

.tweet-avatar svg {
  display: block;
  width: 48px;
  height: 48px;
}

.tweet-content {
  flex: 1;
  min-width: 0;
}

.tweet-header {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 2px;
}

.tweet-name {
  font-weight: bold;
  font-size: 13px;
  color: #333;
}

.tweet-screen {
  font-size: 12px;
  color: #999;
}

.tweet-text {
  font-size: 13px;
  color: #333;
  line-height: 1.5;
  margin-bottom: 4px;
  word-wrap: break-word;
}

/* --- Tweet Meta (timestamp + via) --- */
.tweet-meta {
  font-size: 11px;
  color: #999;
  margin-bottom: 4px;
}

.tweet-time {
  color: #999;
}

.tweet-via {
  color: #999;
}

.tweet-via::before {
  content: " ";
}

.tweet-text .mention {
  color: #0084B4;
}

.tweet-text .hashtag {
  color: #0084B4;
}

/* --- Tweet Actions (Reply / RT / Fav) --- */
.tweet-actions {
  display: flex;
  gap: 0;
  margin-left: -4px;
}

.tweet-action {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  color: #AAB8C2;
  min-width: 60px;
  transition: color 0.15s;
  user-select: none;
}

.tweet-action:hover {
  background: transparent;
}

.tweet-action-icon {
  font-size: 14px;
  line-height: 1;
}

.tweet-action.action-reply:hover {
  color: #0084B4;
}

.tweet-action.action-rt:hover {
  color: #77B255;
}

.tweet-action.action-rt.active {
  color: #77B255;
}

.tweet-action.action-fav:hover {
  color: #FFAC33;
}

.tweet-action.action-fav.active {
  color: #FFAC33;
}


.tweet-action .count {
  font-size: 11px;
}

.tweet-action .count:empty {
  display: none;
}

/* --- Right Sidebar --- */
.sidebar-title {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  padding: 10px 12px;
  border-bottom: 1px solid #E8E8E8;
}

.trends-list li {
  padding: 6px 12px;
  font-size: 12px;
  border-bottom: 1px solid #F0F0F0;
}

.trends-list li:last-child {
  border-bottom: none;
}

.trends-list a {
  color: #0084B4;
}

.trends-list a:hover {
  text-decoration: underline;
}

/* おすすめユーザー */
.suggestion-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid #F0F0F0;
  gap: 8px;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-icon {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  flex-shrink: 0;
}

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

.suggestion-name {
  display: block;
  font-size: 12px;
  font-weight: bold;
  color: #333;
}

.suggestion-screen {
  display: block;
  font-size: 11px;
  color: #999;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.follow-btn {
  font-size: 11px;
  font-weight: bold;
  color: #333;
  background: linear-gradient(to bottom, #fff, #DEDEDE);
  border: 1px solid #CCC;
  border-radius: 4px;
  padding: 3px 10px;
  cursor: default;
  white-space: nowrap;
}

/* --- Footer --- */
.global-footer {
  text-align: center;
  padding: 20px 10px 30px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  font-size: 11px;
  color: #999;
}

.footer-inner a {
  color: #999;
  margin: 0 6px;
}

.footer-inner a:hover {
  color: #0084B4;
}

.footer-inner span {
  margin-right: 10px;
}