/* BlueAnt Migration Dashboard — Layout: Shell, Sidebar, Topbar */

/* ----------------------------------------------------------------
   Shell
   ---------------------------------------------------------------- */
.shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  font-family: var(--font-body);
  color: var(--text-1);
  background: var(--page-bg);
}

/* ----------------------------------------------------------------
   Sidebar
   ---------------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--card-bg);
  border-right: 1px solid var(--border-1);
}

/* Brand block */
.sidebar .brand {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border-1);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.sidebar .brand .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
  box-shadow: 0 4px 12px rgba(0, 153, 187, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar .brand .brand-text h1 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  margin: 0;
  line-height: 1.3;
}

.sidebar .brand .brand-text p {
  font-size: 10px;
  font-weight: 400;
  color: var(--text-3);
  margin: 0;
  line-height: 1.3;
}

/* Audience toggle */
.audience-toggle {
  margin: 14px 14px 0;
  background: var(--surface-3);
  border-radius: var(--radius-aud);
  padding: 3px;
  gap: 2px;
  display: flex;
}

.audience-toggle button {
  flex: 1;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  padding: 6px 4px;
  border-radius: var(--radius-aud-btn);
  border: none;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  transition: all 0.12s;
}

.audience-toggle button.active {
  background: var(--teal);
  color: #ffffff;
  box-shadow: var(--shadow-aud-active);
}

/* Navigation sections */
.nav-section {
  padding: 20px 10px 4px;
}

.nav-section-label {
  font-family: var(--font-body);
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-4);
  padding: 0 12px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border-radius: var(--radius-nav);
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: all 0.12s;
  color: var(--text-2);
  text-decoration: none;
}

.nav-item:hover {
  background: var(--surface-3);
  color: var(--text-2);
  border-left-color: var(--surface-4);
}

.nav-item.active {
  background: var(--teal-lo);
  color: var(--teal);
  border-left-color: var(--teal);
  font-weight: 600;
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-nav-icon);
  background: var(--surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.nav-item.active .nav-icon {
  background: var(--teal-mid);
}

.nav-label {
  font-family: var(--font-body);
  font-size: 12px;
}

.nav-badge {
  margin-left: auto;
  font-size: 9px;
  font-weight: 700;
  background: var(--red);
  color: #ffffff;
  padding: 2px 7px;
  border-radius: var(--radius-badge);
}

/* Sidebar footer */
.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border-1);
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 5px;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: livePulse 2s infinite;
}

.live-text {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.8px;
}

.sidebar-info {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-3);
  line-height: 1.8;
}

/* ----------------------------------------------------------------
   Main content area
   ---------------------------------------------------------------- */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  min-height: var(--topbar-height);
  background: var(--card-bg);
  box-shadow: var(--shadow-topbar);
  border-bottom: 1px solid var(--border-2);
  padding: 0 28px;
  display: flex;
  align-items: center;
}

.topbar-left {
  display: flex;
  flex-direction: column;
}

.topbar-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
}

.topbar-title {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.4px;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--teal-lo);
  border: 1px solid var(--teal-mid);
  padding: 5px 14px;
  border-radius: 20px;
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 700;
  color: var(--teal);
}

.btn-export {
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text-2);
  padding: 7px 16px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
}

.btn-export:hover {
  background: var(--surface-2);
}

.btn-refresh {
  background: var(--teal);
  color: #ffffff;
  border: none;
  padding: 7px 16px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
}

.btn-refresh:hover {
  opacity: 0.9;
}

/* Scroll area + content */
.scroll-area {
  flex: 1;
  overflow-y: auto;
  background: var(--page-bg);
}

.content {
  padding: var(--content-padding);
  max-width: 1440px;
}

/* ----------------------------------------------------------------
   Animations
   ---------------------------------------------------------------- */
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----------------------------------------------------------------
   Mobile: hamburger toggle + sidebar overlay
   ---------------------------------------------------------------- */
.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-1);
  padding: 4px 8px;
  margin-right: 8px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 90;
}

/* ----------------------------------------------------------------
   Bottom Navigation (hidden on desktop, visible on mobile)
   ---------------------------------------------------------------- */
.bottom-nav {
  display: none;
}

/* ----------------------------------------------------------------
   Responsive: Tablet (<=1024px)
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 200px;
    --content-padding: 20px 18px 32px;
    --card-body-padding: 14px 16px;
    --card-head-padding: 12px 16px;
  }
  .topbar { padding: 0 18px; }
  .topbar-title { font-size: 16px; }
  .btn-export { display: none; }
}

/* ----------------------------------------------------------------
   Responsive: Mobile (<=768px)
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --content-padding: 12px 0 28px;
    --card-gap: 10px;
    --row-gap: 10px;
    --card-body-padding: 14px 16px;
    --card-head-padding: 12px 16px;
  }

  /* Bottom navigation bar */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-2);
    box-shadow: 0 -2px 12px rgba(10,25,60,0.06);
    z-index: 200;
    padding: 0 4px;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: none;
    border: none;
    color: var(--text-3);
    cursor: pointer;
    padding: 6px 0;
    font-family: var(--font-body);
    transition: color 0.15s;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
  }

  .bottom-nav-item.active {
    color: var(--teal);
  }

  .bottom-nav-icon {
    font-size: 20px;
    line-height: 1;
  }

  .bottom-nav-label {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.3px;
  }

  /* Sidebar becomes full-width off-canvas overlay */
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    z-index: 100;
    width: 85vw;
    max-width: 320px;
    min-width: 280px;
    transition: left 0.25s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.2);
  }
  .sidebar.open { left: 0; }
  .sidebar-overlay.visible { display: block; }
  .sidebar-toggle { display: block; }

  /* Topbar */
  .topbar {
    padding: 0 12px;
    height: 48px;
    min-height: 48px;
  }
  .topbar-title { font-size: 14px; }
  .topbar-eyebrow { font-size: 9px; }
  .topbar-time { font-size: 9px; }
  .live-badge { display: none; }
  .btn-export { display: none; }
  .btn-refresh { padding: 5px 10px; font-size: 10px; }

  /* Content area — edge-to-edge cards with padding for bottom nav */
  .scroll-area {
    padding-bottom: 60px;
  }
  .content {
    padding: 12px 10px 28px;
    max-width: 100%;
  }
}

/* ----------------------------------------------------------------
   Responsive: Small Mobile (<=480px)
   ---------------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --card-gap: 8px;
    --row-gap: 8px;
  }

  .content {
    padding: 8px 6px 24px;
  }

  .topbar-eyebrow { display: none; }
  .topbar-title { font-size: 13px; }
  .topbar-time { display: none; }
  .btn-refresh { font-size: 9px; padding: 4px 8px; }

  .sidebar {
    width: 100vw;
    max-width: 100vw;
  }
}