omniai-web/src/styles/shell/app-shell.css

/* Shell layout extracted from the legacy app stylesheet. */
.web-shell {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--page-bg);
  background-size: auto;
}

.web-shell[data-theme="dark"] {
  background: var(--page-bg);
  background-size: auto;
}

.event-strip {
  position: relative;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: 36px;
  padding: 0 44px 0 18px;
  border-bottom: 1px solid rgba(37, 96, 56, 0.12);
  background: rgba(210, 246, 219, 0.94);
  color: #173425;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.web-shell[data-theme="dark"] .event-strip {
  border-color: rgba(var(--accent-rgb), 0.2);
  background: var(--bg-panel);
  color: var(--fg-body);
}

.event-strip__pill {
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: #236039;
  box-shadow: inset 0 0 0 1px rgba(35, 96, 57, 0.11);
}

.web-shell[data-theme="dark"] .event-strip__pill {
  background: rgba(255, 255, 255, 0.11);
  color: var(--accent);
}

.event-strip button {
  height: 24px;
  padding: 0 12px;
  border: 1px solid rgba(35, 96, 57, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: #236039;
  font-weight: 900;
  cursor: pointer;
  transition: background var(--transition-fast, 140ms ease), border-color var(--transition-fast, 140ms ease), transform var(--transition-fast, 140ms ease);
}

.event-strip button:hover {
  transform: translateY(-1px);
}

.web-shell[data-theme="dark"] .event-strip button {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: var(--fg-body);
}

.event-strip__close {
  position: absolute;
  top: 50%;
  right: 14px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  padding: 0;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: rgba(23, 52, 37, 0.7);
  cursor: pointer;
}

.web-shell[data-theme="dark"] .event-strip__close {
  color: rgba(244, 247, 245, 0.72);
}

.web-shell__stage {
  position: relative;
  height: calc(100svh - 36px);
  min-height: 0;
}

.web-shell.event-strip-hidden .web-shell__stage {
  height: 100svh;
}

.web-shell__content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

.web-topbar {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 62px;
  gap: 18px;
  padding: 12px 22px 10px;
  border-bottom: 1px solid var(--border-weak);
  background: var(--bg-panel);
}

.web-shell[data-theme="dark"] .web-topbar {
  background: var(--bg-panel);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
}

.brand-lockup__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  overflow: hidden;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font-size: 0;
  box-shadow: none;
}

.brand-lockup__logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-lockup__name {
  white-space: nowrap;
}

.brand-lockup__tone {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: var(--bg-inset);
  color: var(--fg-muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.web-topbar__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 8px;
}

.creator-button,
.member-button,
.profile-button,
.icon-button,
.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 0;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--bg-inset);
  color: var(--text);
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
  box-shadow: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.web-shell[data-theme="dark"] .creator-button,
.web-shell[data-theme="dark"] .member-button,
.web-shell[data-theme="dark"] .profile-button,
.web-shell[data-theme="dark"] .icon-button,
.web-shell[data-theme="dark"] .theme-toggle {
  background: var(--bg-inset);
  box-shadow: none;
}

.creator-button {
  border-color: rgba(var(--accent-rgb), 0.26);
  background: rgba(var(--accent-rgb), 0.12);
  color: #1f6d3c;
}

.web-shell[data-theme="dark"] .creator-button {
  color: var(--accent);
}

.member-button {
  color: var(--cyan-strong);
}

.member-button--community {
  color: var(--text);
}

.icon-button,
.theme-toggle {
  width: 36px;
  padding: 0;
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 40px;
  padding: 3px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  background: var(--bg-inset);
  box-shadow: none;
}

.web-shell[data-theme="dark"] .theme-switcher {
  border-color: rgba(var(--accent-rgb), 0.18);
  background: var(--bg-inset);
  box-shadow: none;
}

.theme-switcher .theme-toggle.theme-switcher__option {
  width: auto;
  min-width: 70px;
  height: 32px;
  min-height: 32px;
  padding: 0 10px;
  border-color: transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--fg-muted);
  box-shadow: none;
}

.theme-switcher .theme-toggle.theme-switcher__option.is-active {
  border-color: rgba(var(--accent-rgb), 0.24);
  background: rgba(var(--accent-rgb), 0.16);
  color: var(--accent);
}

.theme-switcher .theme-toggle.theme-switcher__option:hover {
  background: rgba(var(--accent-rgb), 0.12);
  transform: translateY(0);
}

.profile-button--guest {
  border-color: rgba(var(--accent-rgb), 0.32);
  background: var(--accent);
  color: #07100b;
}

.creator-button:hover,
.member-button:hover,
.profile-button:hover,
.icon-button:hover,
.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: var(--bg-hover);
}

.profile-button--guest:hover {
  background: rgba(var(--accent-rgb), 0.88);
  color: #07100b;
}

.status-dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--danger);
}

.floating-nav {
  position: fixed;
  z-index: 24;
  left: 22px;
  top: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 62px;
  padding: 8px;
  border: 1px solid var(--border-weak);
  border-radius: 20px;
  transform: translateY(-50%);
  background: var(--bg-panel);
  box-shadow: var(--shadow-tight);
}

.web-shell[data-theme="dark"] .floating-nav {
  background: var(--bg-panel);
}

.floating-nav__create,
.floating-nav__button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: transparent;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.floating-nav__item {
  position: relative;
  display: flex;
  justify-content: center;
  width: 44px;
}

.floating-nav__submenu {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  z-index: 3;
  display: grid;
  gap: 6px;
  min-width: 112px;
  padding: 6px;
  border: 1px solid var(--border-weak);
  border-radius: 16px;
  transform: translate(-6px, -50%);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-tight);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.web-shell[data-theme="dark"] .floating-nav__submenu {
  background: var(--bg-elevated);
}

.floating-nav__item.has-children.is-submenu-open .floating-nav__submenu {
  opacity: 1;
  transform: translate(0, -50%);
  pointer-events: auto;
}

.floating-nav__item.has-children.is-submenu-open .floating-nav__button .floating-nav__label {
  opacity: 0;
  transform: translate(-6px, -50%);
}

.floating-nav__subbutton {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  height: 36px;
  padding: 0 10px;
  border-radius: 12px;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.floating-nav__subbutton:hover,
.floating-nav__subbutton.is-active {
  background: rgba(var(--accent-rgb), 0.14);
  color: var(--accent);
}

.floating-nav__create {
  margin-bottom: 6px;
  background: var(--accent);
  color: #07100b;
  font-size: 26px;
  font-weight: 900;
  box-shadow: none;
}

.floating-nav__label {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 180px;
  height: 30px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transform: translate(-6px, -50%);
  background: var(--bg-elevated);
  color: var(--fg-body);
  font-size: 12px;
  font-weight: 900;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: var(--shadow-tight);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.floating-nav__button:hover,
.floating-nav__button.is-active {
  background: rgba(var(--accent-rgb), 0.14);
  color: var(--text);
  transform: translateY(-1px);
}

.floating-nav__button:active {
  transform: scale(0.92);
  transition-duration: 80ms;
}

.floating-nav__button.is-active {
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.34);
}

.floating-nav__button:hover .floating-nav__label,
.floating-nav__button:focus-visible .floating-nav__label,
.floating-nav__button.is-active .floating-nav__label {
  opacity: 1;
  transform: translate(0, -50%);
}

.floating-nav__button.has-divider {
  margin-top: 9px;
}

.floating-nav__button.has-divider::before {
  content: "";
  position: absolute;
  top: -6px;
  width: 30px;
  height: 1px;
  background: var(--line);
}

.floating-page-scroll-actions {
  position: fixed;
  z-index: 25;
  left: 30px;
  top: calc(50% + 265px);
  display: grid;
  gap: 7px;
}

.floating-page-scroll-actions__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.floating-page-scroll-actions__button:hover {
  background: rgba(var(--accent-rgb), 0.16);
  color: var(--accent);
  transform: translateY(-1px);
}

.web-shell__page {
  flex: 1;
  min-height: 0;
  overflow: auto;
  scrollbar-color: rgba(var(--accent-rgb), 0.42) transparent;
}

/* ═══════════════════════════════════════════════════════
   Responsive: Shell Navigation & Topbar
   Breakpoints: 1180px (small desktop), 900px (tablet),
   560px (phone). Complements legacy-components.css rules.
   ═══════════════════════════════════════════════════════ */

/* ── 1180px: Compact topbar ── */
@media (max-width: 1180px) {
  .brand-lockup__tone {
    display: none;
  }
  .creator-button {
    display: none;
  }
  .member-button {
    max-width: 148px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* ── 900px: Bottom nav & Touch-friendly topbar ── */
@media (max-width: 900px) {
  .web-topbar {
    position: sticky;
    top: 0;
    flex: 0 0 52px;
    padding: 8px 12px;
    gap: 10px;
  }

  .brand-lockup__name {
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .creator-button,
  .member-button {
    display: none;
  }

  .profile-button span:last-child {
    display: none;
  }

  .profile-button {
    min-width: 44px;
    height: 44px;
    padding: 0;
    aspect-ratio: 1;
  }

  .icon-button {
    min-width: 44px;
    height: 44px;
  }

  .web-shell__page {
    padding-bottom: 78px;
  }

  .floating-page-scroll-actions {
    display: none;
  }
}

/* ── 560px: Phone-sized compact layout ── */
@media (max-width: 560px) {
  .web-topbar {
    flex: 0 0 44px;
    padding: 6px 10px;
    gap: 6px;
  }

  .brand-lockup {
    gap: 6px;
  }

  .brand-lockup__mark {
    width: 24px;
    height: 24px;
    border-radius: 6px;
  }

  .brand-lockup__name {
    font-size: 13px;
    max-width: 80px;
  }

  .profile-button,
  .icon-button {
    min-width: 36px;
    height: 36px;
  }
}