/* static/css/base.css */
:root {
  --topbar-bg: rgba(255, 255, 255, 0.35);
  --topbar-border: rgba(180, 200, 232, 0.28);
  --topbar-text: #2a3950;
  --topbar-text-soft: #5d7294;
  --topbar-shadow: 0 14px 34px rgba(142, 166, 210, 0.14);
  --transition: 0.32s ease;
  --max-width: 1280px;
}

.topbar {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 22px auto 0;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 18px;
  z-index: 50;
  background: var(--topbar-bg);
  border: 1px solid var(--topbar-border);
  box-shadow: var(--topbar-shadow);
  border-radius: 999px;
  backdrop-filter: blur(18px);
}

.logo-img {
  height: 42px;
  cursor: pointer;
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.8));
  transition: var(--transition);
}

.logo-img:hover {
  transform: scale(1.05);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a,
.mobile-nav a {
  text-decoration: none;
  color: var(--topbar-text-soft);
  transition: var(--transition);
}

.nav a:hover,
.mobile-nav a:hover {
  color: var(--topbar-text);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 2px;
  background: var(--topbar-text);
  border-radius: 999px;
  transition: 0.28s ease;
}

.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 21px;
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 21px;
}

.mobile-nav {
  position: fixed;
  top: 96px;
  right: 20px;
  width: 220px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(180, 200, 232, 0.28);
  box-shadow: 0 18px 45px rgba(127, 155, 201, 0.16);
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 45;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: var(--transition);
}

.mobile-nav.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (max-width: 860px) {
  .desktop-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .topbar {
    width: min(calc(100% - 24px), var(--max-width));
  }
}

.nav-user {
  margin-left: 10px;
  color: #2a3c55;
  font-weight: 700;
}

.staff-badge {
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffffff, #dbe8ff);
  border: 1px solid rgba(176, 199, 236, 0.4);
  font-size: 0.75rem;
  color: #5a7bb5;
}

.mobile-user {
  padding: 12px 0;
  font-weight: bold;
}