.bottom-nav {
  display: none;
}

@media (min-width: 1280px) {
  .workspace:has(.drawer[data-panel]) {
    padding-right: 476px;
  }
}

@media (max-width: 1279px) {
  .briefing-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .donut-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1023px) {
  .shell,
  .shell:has(.sidebar[data-collapsed="true"]) {
    grid-template-columns: var(--sidebar-collapsed) minmax(0, 1fr);
  }

  .sidebar .nav-label,
  .sidebar .nav-kbd,
  .sidebar .wordmark,
  .sidebar .collapse-btn {
    display: none;
  }

  .sidebar .nav-link {
    min-height: 46px;
  }

  .workspace {
    padding: 26px 24px 48px;
  }

  .briefing-grid,
  .chart-grid,
  .settings-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .donut-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(170px, 0.8fr);
  }

  .split {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .customer-head {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .customer-head .rating {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .notes-panel {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 767px) {
  .shell,
  .shell:has(.sidebar[data-collapsed="true"]) {
    grid-template-columns: minmax(0, 1fr);
    padding-bottom: 72px;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 45;
    width: min(280px, 86vw);
    transform: translateX(-100%);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  }

  .sidebar[data-open="true"] {
    transform: none;
    box-shadow: 24px 0 64px rgba(0, 0, 0, 0.55);
  }

  .sidebar {
    padding: 20px 12px 16px;
  }

  .sidebar .nav-label,
  .sidebar .wordmark {
    display: inline;
  }

  .sidebar .nav-link {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    min-height: 46px;
    padding: 0 12px;
    font-size: 14px;
  }

  .sidebar .nav-link[aria-current="page"]::before {
    left: -13px;
  }

  .sidebar .brand,
  .topbar .brand {
    flex-direction: row;
    gap: 10px;
    padding: 4px 10px 20px;
  }

  .sidebar .wordmark,
  .topbar .wordmark {
    font-size: 15px;
  }

  .scrim {
    position: fixed;
    inset: 0;
    z-index: 44;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }

  .menu-open .scrim {
    display: block;
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 25;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(10, 10, 15, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .topbar .brand {
    padding: 0;
  }

  .topbar .wordmark {
    display: inline;
  }

  .workspace {
    padding: 18px 14px 28px;
  }

  .bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 26;
    display: flex;
    justify-content: space-around;
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--glass-border);
    background: rgba(14, 14, 22, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .bottom-nav a {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 6px 2px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 500;
    transition: color var(--transition-fast), background-color var(--transition-fast);
  }

  .bottom-nav a[aria-current="page"] {
    color: #c7d2fe;
    background: rgba(99, 102, 241, 0.16);
  }

  .bottom-nav a[aria-current="page"] .icon {
    filter: drop-shadow(0 0 6px rgba(129, 140, 248, 0.7));
  }

  h1,
  .briefing-header h1 {
    font-size: 25px;
  }

  .view-header {
    margin-bottom: 18px;
  }

  .header-actions {
    display: none;
  }

  .kpi-row,
  .briefing-grid,
  .chart-grid,
  .split,
  .settings-grid,
  .notes-panel,
  .form-grid,
  .donut-wrap,
  .stage-names,
  .data-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .kpi-row {
    gap: 12px;
  }

  .kpi .num {
    font-size: 28px;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-bar {
    gap: 8px;
  }

  .search-box,
  .search-box.wide {
    flex-basis: 100%;
    max-width: none;
  }

  .stage-pager {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .stage-pager::-webkit-scrollbar {
    display: none;
  }

  .stage-pager button {
    display: inline-flex;
    flex: none;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
  }

  .stage-pager button span {
    color: var(--text-muted);
    font-weight: 500;
  }

  .stage-pager button[aria-selected="true"] {
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--tone) 60%, transparent);
    background: color-mix(in srgb, var(--tone) 18%, transparent);
    box-shadow: 0 0 16px color-mix(in srgb, var(--tone) 25%, transparent);
  }

  .board {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
  }

  .filter-bar .filter-group:not([aria-label="Priority"]) {
    display: none;
  }

  .filter-bar > [data-action="toggle-lost"] {
    margin-left: 0;
  }

  .board .stage {
    display: none;
    min-height: 0;
    max-height: none;
  }

  .board[data-mobile-stage="prospect"] .stage[data-stage="prospect"],
  .board[data-mobile-stage="qualified"] .stage[data-stage="qualified"],
  .board[data-mobile-stage="proposal"] .stage[data-stage="proposal"],
  .board[data-mobile-stage="negotiation"] .stage[data-stage="negotiation"],
  .board[data-mobile-stage="closing"] .stage[data-stage="closing"],
  .board[data-mobile-stage="won"] .stage[data-stage="won"],
  .board .stage[data-stage="lost"] {
    display: flex;
  }

  .deal-card {
    touch-action: pan-y;
  }

  .deal-card:hover .quick-actions {
    opacity: 0;
    pointer-events: none;
  }

  .deal-card[data-swiped="true"] .quick-actions {
    opacity: 1;
    pointer-events: auto;
  }

  .log-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .log-btn {
    height: 46px;
    font-size: 14px;
  }

  .select-box {
    width: 100%;
  }

  .select-box select {
    flex: 1;
  }

  .timeline::before {
    left: 14px;
  }

  .timeline .day-separator {
    justify-content: flex-start;
  }

  .entry,
  .entry[data-side="left"],
  .entry[data-side="right"] {
    align-self: stretch;
    width: auto;
    margin-left: 34px;
  }

  .entry[data-side="left"] .entry-dot,
  .entry[data-side="right"] .entry-dot {
    left: -29px;
    right: auto;
  }

  .entry::after {
    display: none;
  }

  .entry-tools {
    position: static;
    justify-content: flex-end;
    margin-top: 8px;
    opacity: 1;
  }

  .entry:hover time {
    opacity: 1;
  }

  .customer-list {
    position: static;
    max-height: none;
  }

  .customer-items {
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  .customer-item {
    flex: 0 0 82%;
    scroll-snap-align: start;
  }

  .customer-detail {
    padding: 18px;
  }

  .drawer {
    width: 100vw;
  }

  .drawer-foot {
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
  }

  .toasts {
    left: 12px;
    right: 12px;
    bottom: 84px;
    align-items: stretch;
  }

  .toast {
    min-width: 0;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .overlay {
    place-items: stretch;
    padding: 0;
  }

  .modal,
  .modal.confirm {
    width: 100%;
    height: 100%;
    max-height: none;
    border-radius: 0;
    border: 0;
  }

  .modal.confirm {
    justify-content: center;
  }

  .modal-actions {
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }

  .modal-actions .btn {
    flex: 1;
  }

  .stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .quick-log {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}