:root {
  --responsive-shell-pad: clamp(12px, 3.8vw, 24px);
  --responsive-section-gap: clamp(14px, 3vw, 28px);
  --responsive-card-gap: clamp(12px, 2.6vw, 20px);
  --responsive-content-max: 1560px;
  --responsive-touch-target: 44px;
  --responsive-nav-height: 64px;
  --responsive-card-radius: 18px;
}

html,
body {
  max-width: 100%;
  overflow-x: clip;
}

body {
  min-width: 320px;
}

main.container {
  width: min(100%, var(--responsive-content-max));
  margin-inline: auto;
  padding-inline: var(--responsive-shell-pad);
  padding-bottom: max(88px, env(safe-area-inset-bottom, 0px) + 72px);
}

section[data-app-view],
#channelsToolbarSection,
.profile-card,
.admin-card,
.alerts-card,
.ai-tools-card {
  min-width: 0;
}

.top-nav {
  display: none;
}

.mobile-top-bar {
  position: sticky;
  top: 0;
  z-index: 410;
  display: grid;
  gap: 10px;
  min-height: var(--responsive-nav-height);
  padding: 10px var(--responsive-shell-pad) 12px;
}

.mobile-top-bar-main {
  gap: 10px;
}

.mobile-top-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.mobile-top-action,
.mobile-brand-btn,
.nav-link,
.nav-toggle-link,
.nav-dropdown-item,
.account-btn,
button,
select,
input,
textarea,
a.btn {
  min-height: var(--responsive-touch-target);
}

.mobile-top-status {
  width: 100%;
}

.brand,
.brand-text,
.nav-left,
.nav-right {
  min-width: 0;
}

.account-btn,
.mobile-top-action {
  min-width: var(--responsive-touch-target);
}

.nav-command,
.nav-command-input,
.nav-command-results {
  max-width: 100%;
}

#navCommandPalette {
  width: 100%;
}

main.container > section + section {
  margin-top: var(--responsive-section-gap);
}

@media (max-width: 320px) {
  :root {
    --responsive-shell-pad: 10px;
    --responsive-section-gap: 12px;
  }

  body {
    font-size: 14px;
  }

  .mobile-top-action,
  .account-btn,
  button,
  select,
  input,
  textarea,
  a.btn {
    min-height: 42px;
  }
}

@media (min-width: 768px) {
  :root {
    --responsive-shell-pad: clamp(18px, 3vw, 28px);
    --responsive-section-gap: clamp(18px, 2.8vw, 32px);
    --responsive-card-gap: clamp(14px, 2vw, 24px);
  }

  .mobile-top-bar {
    padding-inline: var(--responsive-shell-pad);
  }

  main.container {
    padding-inline: var(--responsive-shell-pad);
    padding-bottom: 110px;
  }
}

@media (min-width: 1024px) {
  .top-nav {
    display: flex;
    min-height: var(--responsive-nav-height);
    padding-inline: var(--responsive-shell-pad);
  }

  .mobile-top-bar {
    display: none;
  }

  .nav-left {
    gap: 14px;
  }

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

  .nav-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    min-width: min(38vw, 480px);
  }

  #navCommandPalette {
    max-width: min(32vw, 420px);
  }

  main.container {
    padding-inline: var(--responsive-shell-pad);
    padding-bottom: 96px;
  }
}

@media (min-width: 1536px) {
  :root {
    --responsive-content-max: 1860px;
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .top-nav {
    align-items: flex-start;
    flex-wrap: wrap;
    row-gap: 10px;
    padding-block: 10px 12px;
  }

  .nav-left,
  .nav-right {
    width: 100%;
    min-width: 0;
  }

  .nav-left {
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
  }

  .main-nav {
    flex-wrap: wrap;
    flex: 1 1 520px;
    justify-content: flex-start;
    gap: 6px;
  }

  .brand {
    flex: 0 1 auto;
  }

  .nav-link,
  .nav-toggle-link {
    padding: 6px 8px;
    font-size: 11px;
  }

  .nav-label--full {
    display: none;
  }

  .nav-label--short {
    display: inline;
  }

  .nav-right {
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  .status-box {
    min-width: min(100%, 260px);
    white-space: normal;
  }

  #navCommandPalette {
    flex: 1 1 100%;
    max-width: none;
    width: 100%;
    order: 3;
  }

  .nav-command-shell {
    min-width: 0;
  }
}

@media (min-width: 1280px) {
  :root {
    --responsive-shell-pad: clamp(24px, 2.2vw, 36px);
  }

  .top-nav {
    gap: 18px;
  }

  .nav-left {
    gap: 18px;
  }
}

@media (min-width: 1536px) {
  :root {
    --responsive-shell-pad: 32px;
  }

  main.container {
    width: min(100%, calc(var(--responsive-content-max) + 24px));
  }
}