* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
.site-announcement {
  position: sticky;
  top: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  min-height: 56px;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(18, 24, 34, 0.94);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.announcement-track {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  position: relative;
  white-space: nowrap;
}
.announcement-track::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0) 18%);
}
.announcement-text {
  display: inline-block;
  line-height: 1.4;
  font-size: 14px;
  white-space: nowrap;
}
.announcement-text-static {
  padding-left: 0;
}
.announcement-text-marquee {
  display: inline-block;
  padding-left: 100%;
  animation: announcement-marquee var(--announcement-speed, 14s) linear infinite;
}
.announcement-text.marquee-right {
  animation-name: announcement-marquee-right;
}
.announcement-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  margin-right: 10px;
  font-size: 16px;
}
.announcement-close {
  border: none;
  background: rgba(255,255,255,0.12);
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.25s ease;
}
.announcement-close:hover {
  background: rgba(255,255,255,0.18);
}
.announcement-dots {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
  margin-left: 10px;
}
.announcement-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transition: background 0.25s ease, transform 0.25s ease;
}
.announcement-dot.active {
  background: #fff;
  transform: scale(1.15);
}
@keyframes announcement-marquee {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}
@keyframes announcement-marquee-right {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif
}

html,
body {
    min-height: 100%;
    background: #f5f5f7;
    color: #111
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06)
}

.nav-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center
}

.logo {
    color:#1d1d1f;
    text-decoration:none;
    font-weight: 600
}

.menu {
    list-style: none;
    display: flex;
    gap: 12px
}

.menu > li {
  position: relative;
}

.menu > li > a,
.menu > li > span {
  color: #1d1d1f;
  display: block;
  padding: 14px 12px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
}

.menu > li:hover > a,
.menu > li:hover > span,
.menu > li.active > a {
  background: rgba(0,0,0,0.04);
}
.user-menu {
  position: relative;
}
.user-menu-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #1d1d1f;
  background: transparent;
  border: none;
  padding: 12px 14px;
  border-radius: 18px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.user-menu-button:hover {
  background: rgba(0, 0, 0, 0.04);
}
.user-avatar,
.avatar-fallback {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.user-avatar {
  object-fit: cover;
}
.avatar-fallback {
  background: #0066ff;
  color: #fff;
}
.user-name {
  max-width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 180px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  padding: 12px;
  display: none;
  z-index: 80;
}
.user-menu:hover .user-dropdown,
.user-menu.open .user-dropdown {
  display: block;
}
.user-dropdown a,
.user-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: #111;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
}
.user-dropdown a:hover,
.user-dropdown button:hover {
  background: #f5f5f7;
}
.mobile-user-item button,
.mobile-user-item a {
  display: block;
  width: 100%;
  padding: 16px 24px;
  text-align: left;
  border: none;
  background: transparent;
  color: #1d1d1f;
  cursor: pointer;
}
.comment-list .message-actions,
.message-grid .message-actions {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.message-action {
  border: none;
  border-radius: 12px;
  padding: 8px 12px;
  background: #f5f5f7;
  color: #111;
  cursor: pointer;
  transition: background 0.2s ease;
}
.message-action:hover {
  background: #e8e8ec;
}
.message-action.delete {
  background: #ffecec;
  color: #b62c2c;
}
.message-status {
  margin-left: 10px;
  font-size: 13px;
  color: #666;
  background: rgba(0, 0, 0, 0.04);
  padding: 2px 8px;
  border-radius: 999px;
}

.sub1,
.sub2 {
  list-style: none;
  position: absolute;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 22px 70px rgba(0,0,0,0.12);
  min-width: 180px;
  display: none;
  padding: 12px 0;
  z-index: 50;
}

.sub1 {
  top: 100%;
  left: 0;
}

.sub2 {
  top: 0;
  left: 100%;
}

.menu > li:hover .sub1,
.sub1 li:hover .sub2 {
  display: block;
}

.sub1 li,
.sub2 li {
  padding: 0;
}

.sub1 li a,
.sub1 li span,
.sub2 li a,
.sub2 li span {
  color: #1d1d1f;
  display: block;
  padding: 12px 18px;
}

.sub1 li:hover > a,
.sub1 li:hover > span,
.sub2 li:hover > a,
.sub2 li:hover > span {
  background: #f5f5f7;
}

.mobile-menu-button {
  display: none;
  color: #1d1d1f;
  background: transparent;
  border: none;
  border-radius: 12px;
  width: 46px;
  height: 46px;
  font-size: 24px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.mobile-menu-button:focus,
.mobile-menu-button:focus-visible {
  outline: none;
  box-shadow: none;
}

.mobile-menu {
  display: none;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu a {
  display: block;
  color: #1d1d1f;
  padding: 16px 24px;
  text-decoration: none;
  border-bottom: 1px solid rgba(60,60,67,0.08);
}

.menu a {
    text-decoration: none;
    color: #1d1d1f;
    padding: 8px 12px;
    border-radius: 8px
}

.menu a:hover {
    background: rgba(0, 0, 0, 0.04)
}

.section {
    max-width: 980px;
    margin: 48px auto;
    padding: 20px
}

.section-header {
    text-align: center;
    margin-bottom: 24px
}

.section h2 {
    font-size: 28px
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px
}

.tool-card {
    background: #fff;
    border-radius: 20px;
    padding: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.06)
}

.tool-card h3 {
    margin-bottom: 8px
}

.tool-card p {
    color: #6e6e73;
    margin-bottom: 12px
}

.form-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px
}

.form-row label {
    font-size: 14px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 100px;
    padding: 10px 14px;
    background: #111;
    color: #fff;
    border-radius: 12px;
    border: none;
    cursor: pointer
}

textarea#pwdOutput {
    width: 100%;
    min-height: 56px;
    border-radius: 10px;
    padding: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 8px
}

.color-sample {
    height: 45px;
    border-radius: 8px;
    margin-top: 8px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff
}

.footer {
    padding: 30px;
    text-align: center;
    color: #6e6e73
}

/* Admin modal */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}
.modal-card {
  position: relative;
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  max-width: 320px;
  width: calc(100% - 40px);
  box-shadow: 0 18px 48px rgba(0,0,0,0.14);
  z-index: 2010;
  text-align: center;
}
.modal-card h3 { margin:8px 0 10px 0; font-size:16px; }
.modal-card input { width:100%; padding:10px 12px; margin-bottom:10px; border-radius:8px; border:1px solid rgba(0,0,0,0.12); font-size:14px; }
.modal-actions { display:flex; gap:8px; justify-content:center; }
.modal-card .btn { padding:8px 18px; font-size:14px; border-radius:8px; min-width:120px; }
.modal-card .btn:first-child { background:#000; color:#fff; box-shadow:none; }
.modal-card .btn:last-child { background:#fff; color:#111; border:1px solid rgba(0,0,0,0.08); }

@media (max-width: 760px) {
  .nav-wrap {
    flex-wrap: wrap;
    gap: 12px;
  }
  .menu {
    display: none;
  }
  .mobile-menu-button {
    display: inline-flex;
  }
  .mobile-menu {
    display: block;
  }
  .section {
    padding: 40px 18px;
  }
}