grid-template-columns: 1fr;
    gap: 12px;
  }

  .training-form {
    padding: 14px;
  }

  .panel-heading {
    margin-bottom: 14px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .split-field {
    grid-template-columns: minmax(0, 1fr) 42px;
  }

  .right-column {
    gap: 10px;
  }

  .right-column .panel > :not(.panel-summary) {
    margin: 0;
    padding: 0 14px 14px;
  }

  .save-button {
    position: static;
    margin-top: 12px;
    box-shadow: none;
  }
}

@media (max-width: 760px) {
  body {
    background: var(--bg);
  }

  .workspace {
    padding: 14px;
  }

  .sidebar {
    padding: max(9px, env(safe-area-inset-top)) 14px 10px;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    gap: 8px;
    background: rgba(255, 255, 255, 0.94);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    padding: 7px;
  }

  .client-list {
    display: none;
  }

  .client-button {
    grid-template-columns: 36px minmax(126px, 1fr);
    padding: 10px;
    scroll-snap-align: start;
    background: var(--surface);
  }

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

  .client-profile-grid .wide-field {
    grid-column: 1 / -1;
  }

  .client-row {
    flex: 0 0 min(78vw, 274px);
    grid-template-columns: minmax(0, 1fr) 34px;
    scroll-snap-align: start;
  }

  .avatar {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .selected-client-strip {
    display: flex;
  }

  body:not(.client-picker-open) .client-tools,
  body:not(.client-picker-open) .client-list,
  body.client-picker-open .client-tools,
  body.client-picker-open .client-list {
    display: none;
  }

  .client-header {
    align-items: flex-start;
    margin-bottom: 14px;
  }

  .client-header h2 {
    font-size: 28px;
  }

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

  .set-row {
    grid-template-columns: 48px minmax(68px, 0.7fr) minmax(82px, 0.9fr) minmax(150px, 1.5fr) 42px;
  }

  .history-list {
    max-height: none;
  }

}

@media (max-width: 640px) {
  .client-picker-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100dvh - 24px);
  }

  .client-picker-list {
    max-height: 42dvh;
  }

  .client-picker-list .client-row {
    grid-template-columns: minmax(0, 1fr) 42px 34px;
  }

  .metrics-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 10px;
  }

  .metric {
    min-height: 54px;
    padding: 7px 8px;
  }

  .metric span {
    font-size: 10px;
    line-height: 1;
    white-space: nowrap;
  }

  .metric strong {
    margin-top: 5px;
    font-size: clamp(12px, 3.4vw, 15px);
    line-height: 1.05;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .metrics-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .client-tools {
    grid-template-columns: minmax(0, 1fr) 48px;
  }

  .split-field {
    grid-template-columns: minmax(0, 1fr) 40px;
  }

  .mode-switch {
    grid-column: 1 / -1;
  }

  .primary-action {
    width: 48px;
    padding: 0;
  }

  .primary-action .icon {
    font-size: 20px;
    line-height: 1;
  }

  .primary-action span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .exercise-card-body {
    padding: 0 12px 12px;
  }

  .set-rows {
    gap: 12px;
  }

  .set-row {
    grid-template-columns: 38px minmax(68px, 1fr) minmax(86px, 1fr) 38px 38px;
    gap: 6px;
    align-items: start;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
  }

  .set-row:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .set-head {
    display: none;
  }

  .set-comment-toggle {
    grid-column: 4;
    grid-row: 1;
    width: 38px;
    min-height: 38px;
    padding: 0;
  }

  .set-comment-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .remove-set {
    grid-column: 5;
    grid-row: 1;
  }

  .set-number,
  .remove-set,
  .set-comment-toggle {
    height: 38px;
  }

  .weight-cell {
    gap: 3px;
  }

  .set-trend {
    min-height: 14px;
    font-size: 11px;
    text-align: left;
  }

  .exercise-toggle {
    grid-template-columns: minmax(0, 1fr) max-content;
    padding: 12px;
  }

  .exercise-toggle::after {
    padding: 5px 8px;
    font-size: 11px;
  }

  .exercise-card-head {
    grid-template-columns: minmax(0, 1fr) 38px;
  }

  .exercise-flow-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exercise-flow-actions .ghost-button {
    width: 100%;
    min-width: 0;
    padding-inline: 8px;
  }

  .panel-heading {
    align-items: flex-start;
  }

  .training-form {
    padding: 12px;
  }

  .training-form .panel-heading {
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }

  .training-form .eyebrow {
    display: none;
  }

  .training-form h3 {
    font-size: 24px;
    line-height: 1.05;
  }

  .training-form #clearFormBtn {
    min-height: 40px;
    padding: 0 10px;
  }

  .form-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 8px;
  }

  label span {
    margin-bottom: 5px;
    font-size: 12px;
  }

  input,
  select {
    height: 40px;
    padding: 0 9px;
  }

  .date-display {
    min-height: 40px;
    padding: 0 9px;
  }

  .split-settings-button {
    width: 40px;
    height: 40px;
    align-self: end;
  }

  .exercise-block,
  .notes-field {
    margin-top: 12px;
  }

  .notes-field textarea {
    min-height: 98px;
  }

  .exercise-title {
    align-items: center;
    margin-bottom: 8px;
  }

  .exercise-title h4 {
    font-size: 18px;
    line-height: 1.1;
  }

  .exercise-title p {
    display: none;
  }

  .add-exercise {
    width: 40px;
    height: 40px;
  }

  .right-column .panel > :not(.panel-summary) {
    margin: 0;
    padding: 0 14px 14px;
  }

  .client-header {
    flex-direction: column;
  }

  .header-actions {
    width: auto;
  }

  .metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .metric {
    min-width: 0;
    min-height: 54px;
    padding: 7px 8px;
  }

  .metric strong {
    font-size: clamp(12px, 3.4vw, 15px);
  }

  .progress-panel canvas {
    height: 190px;
  }

  .save-button {
    position: static;
    box-shadow: none;
  }

  .session-table-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .remove-exercise {
    width: 100%;
  }
}