:root {
  --bg: #f4f4f4;
  --bg-accent: #d8d8d8;
  --card: rgba(255, 255, 255, 0.96);
  --card-strong: #ffffff;
  --ink: #111111;
  --muted: #575757;
  --line: rgba(17, 17, 17, 0.12);
  --primary: #c62032;
  --primary-dark: #8f1622;
  --secondary: #171717;
  --warn: #8d6b16;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-head: "Barlow Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  --font-body: "Barlow", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    linear-gradient(135deg, rgba(198, 32, 50, 0.08) 0%, transparent 22%),
    linear-gradient(225deg, rgba(17, 17, 17, 0.08) 0%, transparent 24%),
    linear-gradient(180deg, #fbfbfb 0%, #efefef 100%);
}

body.modal-open {
  overflow: hidden;
}

.page-shell {
  max-width: 1500px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.access-gate {
  margin-bottom: 20px;
}

.trainer-section-nav {
  margin-bottom: 20px;
}

.trainer-section-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trainer-section-tab {
  border: 1px solid rgba(23, 33, 38, 0.08);
  border-radius: 999px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--secondary);
  font-weight: 700;
}

.trainer-section-tab.active {
  background: var(--primary);
  color: #ffffff;
}

.gate-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--card);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.gate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.hero-copy,
.hero-panel,
.card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--card);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.brand-logo {
  width: 74px;
  height: 74px;
  object-fit: contain;
  flex: 0 0 74px;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy .eyebrow {
  margin: 0;
}

.brand-tag {
  margin: 0;
  color: var(--secondary);
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow,
.section-kicker,
.panel-title {
  margin: 0 0 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-head);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 0.92;
  max-width: 12ch;
}

h2 {
  font-size: 2rem;
  line-height: 0.95;
}

.hero-text,
.meta-note,
.section-note,
.exercise-notes,
.player-notes,
.empty-state,
.plan-disclaimer {
  color: var(--muted);
}

.hero-actions,
.section-actions,
.profile-toolbar,
.meta-row,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.07);
}

button,
select,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 140ms ease, background-color 140ms ease, color 140ms ease;
}

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

.primary-button {
  background: var(--primary);
  color: #ffffff;
}

.ghost-button,
.small-button {
  background: rgba(17, 17, 17, 0.07);
  color: var(--secondary);
}

.layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.35fr;
  gap: 20px;
  align-items: start;
}

body:not(.player-mode) .layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "roster output"
    "profile profile";
}

body:not(.player-mode) .roster-card {
  grid-area: roster;
}

body:not(.player-mode) .output-card {
  grid-area: output;
}

body:not(.player-mode) .profile-card {
  grid-area: profile;
}

body.trainer-section-players .layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

body.trainer-section-players .roster-card {
  flex: 1 1 0;
  width: calc(50% - 10px);
}

body.trainer-section-players .profile-card {
  flex: 1 1 0;
  width: calc(50% - 10px);
}

body.player-mode .layout {
  grid-template-columns: 1fr;
}

body.player-mode .hero-panel {
  display: none;
}

body.player-mode .hero {
  grid-template-columns: 1fr;
}

body.player-mode .output-card {
  min-width: 0;
}

body.player-mode .player-plans {
  gap: 16px;
}

body.player-mode .meta-row,
body.player-mode .section-header,
body.player-mode .accordion-summary,
body.player-mode .exercise-detail,
body.player-mode .exercise-copy,
body.player-mode .accordion-content,
body.player-mode .accordion-title-wrap,
body.player-mode .chips {
  min-width: 0;
}

.card {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.exercise-management-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: start;
  margin-top: 24px;
}

.exercise-management-layout[hidden] {
  display: none !important;
}

.exercise-management-layout > * {
  flex: 1 1 0;
  width: calc(50% - 10px);
  min-width: 0;
}

body:not(.trainer-section-exercises) .exercise-management-layout {
  grid-template-columns: 1fr;
}

.output-card {
  display: grid;
  gap: 18px;
}

.workspace-tabs {
  margin-top: 2px;
}

.workspace-tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.workspace-tab {
  border: 1px solid rgba(23, 33, 38, 0.08);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(17, 17, 17, 0.05);
  color: var(--secondary);
  font-weight: 700;
}

.workspace-tab.active {
  background: var(--primary);
  color: #ffffff;
}

.session-control-card {
  margin-bottom: 18px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 18px;
}

.search-input,
select,
textarea,
.text-input {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  padding: 12px 14px;
  color: var(--ink);
}

.search-label,
.field-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

.meta-row {
  justify-content: space-between;
  margin: 14px 0 16px;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(198, 32, 50, 0.12);
  color: var(--primary-dark);
  font-weight: 700;
}

.roster-grid,
.player-plans {
  display: grid;
  gap: 12px;
}

.roster-grid {
  grid-template-columns: 1fr;
}

.roster-item {
  display: flex;
  align-items: start;
  gap: 10px;
  border-radius: var(--radius-md);
  padding: 14px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid transparent;
}

.roster-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(198, 32, 50, 0.12);
  flex: 0 0 52px;
}

.roster-avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary-dark);
}

.roster-item.active {
  border-color: rgba(198, 32, 50, 0.28);
  background: rgba(198, 32, 50, 0.08);
}

.roster-item input {
  margin-top: 4px;
}

.roster-item-button {
  width: 100%;
  border-radius: var(--radius-md);
  text-align: left;
}

.roster-name {
  font-weight: 700;
}

.roster-role {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.roster-meta,
.source-line,
.exercise-dose {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.source-box,
.source-box a {
  hyphens: auto;
  word-break: break-word;
}

.player-profile {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.profile-section {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.56);
  min-width: 0;
}

#roster-admin {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-card,
.admin-archive-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(23, 33, 38, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.admin-card {
  padding: 16px;
}

.admin-archive-card {
  overflow: hidden;
}

.admin-archive-card .accordion-summary {
  padding: 16px;
}

.admin-archive-card .accordion-content {
  padding: 0 16px 16px;
}

.admin-list {
  display: grid;
  gap: 10px;
}

.admin-list-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(17, 17, 17, 0.04);
}

.admin-actions,
.profile-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-inline-actions {
  align-items: center;
}

.source-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(17, 17, 17, 0.04);
  min-width: 0;
}

.custom-exercise-list ul {
  display: grid;
  gap: 12px;
}

.custom-exercise-item {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(17, 17, 17, 0.04);
}

.custom-exercise-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.small-button-danger {
  background: rgba(17, 17, 17, 0.08);
  color: var(--text);
  border: 1px solid rgba(17, 17, 17, 0.14);
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  min-width: 0;
}

.profile-avatar-row {
  display: flex;
  gap: 14px;
  align-items: center;
  min-width: 0;
}

.profile-avatar-row > div,
.profile-grid > div {
  min-width: 0;
}

.profile-avatar {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(198, 32, 50, 0.12);
}

.profile-avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.compact-input {
  min-width: 0;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.check-pill {
  display: flex;
  gap: 10px;
  align-items: start;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: rgba(248, 248, 248, 0.95);
}

.check-pill input {
  margin-top: 3px;
}

.summary-grid,
.team-plan-grid {
  display: grid;
  gap: 14px;
}

.progress-grid,
.progress-board,
.coach-overview {
  display: grid;
  gap: 14px;
}

.summary-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 18px;
}

.progress-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 18px;
}

.progress-board,
.coach-overview {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.progress-panel,
.coach-hero,
.coach-list {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.content-accordion {
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 38, 0.08);
  overflow: hidden;
}

.content-accordion .accordion-summary {
  padding: 18px;
}

.content-accordion .accordion-content {
  padding: 0 18px 18px;
}

.output-inner-section {
  display: grid;
  gap: 16px;
}

.output-inner-section > * + * {
  margin-top: 0;
}

.progress-card,
.coach-card {
  display: grid;
  gap: 16px;
}

.skill-profile-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.trainer-skill-profile {
  margin-top: 6px;
}

.player-skill-profile {
  margin-top: 16px;
}

.skill-profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 20px;
  align-items: center;
}

.skill-radar-wrap {
  min-width: 0;
}

.skill-radar {
  width: 100%;
  height: auto;
  display: block;
}

.radar-ring {
  fill: none;
  stroke: rgba(17, 17, 17, 0.14);
  stroke-dasharray: 5 6;
}

.radar-axis {
  stroke: rgba(17, 17, 17, 0.18);
  stroke-width: 1.5;
}

.radar-shape {
  fill: rgba(198, 32, 50, 0.18);
  stroke: var(--primary);
  stroke-width: 3;
}

.radar-dot {
  fill: var(--primary);
  stroke: #ffffff;
  stroke-width: 2;
}

.radar-label {
  fill: var(--secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
}

.skill-profile-list {
  display: grid;
  gap: 8px;
}

.skill-row-note {
  margin: -2px 0 4px;
  padding-left: 2px;
}

.progress-badge-library,
.badge-library-card {
  border-radius: var(--radius-md);
  background: var(--card-strong);
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.progress-badge-library {
  margin-top: 16px;
  overflow: hidden;
}

.badge-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.badge-library-card {
  padding: 14px;
}

.badge-library-head {
  margin-bottom: 10px;
}

.leaderboard-list,
.skill-stack,
.badge-row,
.coach-list {
  display: grid;
  gap: 10px;
}

.leaderboard-item,
.coach-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(17, 17, 17, 0.04);
}

.leaderboard-item.active,
.coach-item.current {
  background: rgba(198, 32, 50, 0.08);
  border: 1px solid rgba(198, 32, 50, 0.16);
}

.leaderboard-rank {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(17, 17, 17, 0.08);
  font-weight: 700;
}

.leaderboard-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.skill-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) auto;
  gap: 12px;
  align-items: center;
}

.skill-meter {
  height: 10px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.08);
  overflow: hidden;
}

.skill-meter span,
.coach-progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, #171717 100%);
}

.badge-row {
  grid-template-columns: repeat(auto-fit, minmax(140px, max-content));
  align-items: start;
}

.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  background: rgba(17, 17, 17, 0.08);
}

.badge-chip.red {
  background: rgba(198, 32, 50, 0.12);
  color: var(--primary-dark);
}

.badge-chip.gold {
  background: rgba(183, 121, 31, 0.14);
  color: #7f5312;
}

.badge-chip.dark {
  background: rgba(17, 17, 17, 0.12);
  color: var(--secondary);
}

.coach-phase {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

.coach-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0;
}

.coach-progress-bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.08);
  overflow: hidden;
  margin-bottom: 14px;
}

.coach-actions {
  margin-top: 12px;
}

.coach-item {
  align-items: center;
}

.coach-item.done {
  opacity: 0.7;
}

.coach-item input {
  margin: 0;
}

.summary-card,
.plan-accordion,
.player-accordion {
  border-radius: var(--radius-md);
  background: var(--card-strong);
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.plan-accordion,
.player-accordion {
  overflow: hidden;
}

.accordion-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  padding: 16px;
}

.accordion-summary::-webkit-details-marker {
  display: none;
}

.accordion-title-wrap {
  display: grid;
  gap: 6px;
}

.accordion-chevron {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.08);
  color: var(--secondary);
  font-weight: 700;
}

details[open] > summary .accordion-chevron {
  background: rgba(198, 32, 50, 0.12);
  color: var(--primary-dark);
}

.accordion-content {
  padding: 0 16px 16px;
}

.profile-card {
  padding: 0;
}

.profile-card-content {
  padding-top: 0;
}

.summary-value {
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--primary);
}

.summary-card {
  padding: 16px;
}

.accordion-summary h3 {
  margin-bottom: 10px;
  font-size: 1.4rem;
}

.accordion-content ul,
.hero-panel ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

ul {
  list-style: none;
  padding-left: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.86rem;
  font-weight: 700;
  background: rgba(17, 17, 17, 0.08);
  color: var(--secondary);
}

.tag.warn {
  background: rgba(183, 121, 31, 0.14);
  color: #7f5312;
}

.tag.alert {
  background: rgba(198, 32, 50, 0.12);
  color: var(--primary-dark);
}

.exercise-link,
.exercise-chip {
  border: 0;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.08);
  color: var(--secondary);
  font-weight: 700;
  padding: 6px 10px;
}

.exercise-history {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.exercise-link {
  display: inline-flex;
  align-items: center;
}

.exercise-link:hover,
.exercise-chip:hover {
  background: rgba(17, 17, 17, 0.14);
}

.exercise-chip.active {
  background: var(--primary);
  color: #fff8f1;
}

.player-plans,
.team-plan-grid {
  gap: 12px;
}

.player-plans .content-accordion .accordion-content,
#team-plan .content-accordion .accordion-content {
  display: grid;
  gap: 14px;
}

.player-accordion {
  display: grid;
  margin-bottom: 20px;
}

.player-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.player-notes,
.plan-disclaimer {
  font-size: 0.94rem;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.exercise-browser {
  margin-top: 24px;
}

.exercise-management-layout .exercise-browser {
  margin-top: 0;
}

.exercise-card {
  padding: 22px;
}

.exercise-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.exercise-browser-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 18px 0;
}

.exercise-group-card {
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.exercise-chip-group + .exercise-chip-group {
  margin-top: 12px;
}

.exercise-chip-group .section-kicker {
  margin-bottom: 8px;
}

.exercise-group-card .exercise-chip-row {
  margin: 0;
}

.exercise-detail {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
  align-items: start;
}

.exercise-visual img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid rgba(23, 33, 38, 0.08);
  background: #fff8ef;
}

.exercise-copy {
  display: grid;
  gap: 12px;
}

.quick-callout,
.detail-copy,
.visual-copy {
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
}

.quick-callout strong,
.detail-copy strong,
.visual-copy strong {
  display: block;
  margin-bottom: 6px;
}

.exercise-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 18px;
}

.exercise-modal[hidden] {
  display: none !important;
}

.exercise-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 17, 17, 0.72);
  backdrop-filter: blur(4px);
}

.exercise-modal-dialog {
  position: relative;
  width: min(1120px, 100%);
  max-height: calc(100vh - 36px);
  overflow: auto;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  padding: 18px;
}

.exercise-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.exercise-modal-head .section-kicker {
  margin-bottom: 0;
}

.exercise-modal-close {
  background: rgba(17, 17, 17, 0.08);
  color: var(--secondary);
}

.exercise-modal-body {
  display: grid;
  gap: 16px;
}

@media (max-width: 560px) {
  .layout {
    grid-template-columns: 1fr;
  }

  body:not(.player-mode) .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "roster"
      "output"
      "profile";
  }

  body.trainer-section-players .layout {
    display: flex;
    flex-direction: column;
  }

  body.player-mode .layout {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .exercise-detail {
    grid-template-columns: 1fr;
  }

  .gate-grid {
    grid-template-columns: 1fr;
  }

  .exercise-browser-groups {
    grid-template-columns: 1fr;
  }

  .exercise-management-layout,
  .admin-grid,
  .progress-board,
  .coach-overview,
  .skill-profile-layout {
    grid-template-columns: 1fr;
  }

  .exercise-management-layout {
    flex-direction: column;
  }

  .exercise-management-layout > *,
  body.trainer-section-players .roster-card,
  body.trainer-section-players .profile-card {
    width: 100%;
  }

  .section-header,
  .player-header,
  .accordion-summary {
    flex-direction: column;
  }

  .exercise-modal-dialog {
    padding: 14px;
  }

  .exercise-modal-head {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 16px 12px 32px;
  }

  .hero-copy,
  .hero-panel,
  .card,
  .gate-card {
    padding: 18px;
  }

  .output-card {
    gap: 14px;
  }

  .trainer-section-row,
  .workspace-tab-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trainer-section-tab,
  .workspace-tab {
    width: 100%;
    justify-content: center;
  }

  h2 {
    font-size: 1.6rem;
  }

  .brand-row {
    align-items: flex-start;
  }

  .brand-logo {
    width: 62px;
    height: 62px;
    flex-basis: 62px;
  }

  .roster-grid {
    grid-template-columns: 1fr;
  }

  .checkbox-grid,
  .summary-grid,
  .profile-grid,
  .progress-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .profile-avatar-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .exercise-chip-row,
  .chips,
  .hero-actions,
  .section-actions,
  .admin-actions,
  .profile-inline-actions,
  .coach-metrics {
    gap: 8px;
  }

  .content-accordion .accordion-summary,
  .content-accordion .accordion-content {
    padding-left: 14px;
    padding-right: 14px;
  }

  .exercise-link,
  .exercise-chip {
    width: 100%;
    justify-content: center;
  }

  .hero-actions > .primary-button,
  .hero-actions > .ghost-button,
  .hero-actions > .mode-toggle {
    width: 100%;
    justify-content: center;
  }

  body.player-mode .hero-copy,
  body.player-mode .card,
  body.player-mode .exercise-card {
    padding: 16px;
  }

  body.player-mode .hero {
    margin-bottom: 14px;
  }

  body.player-mode h1 {
    font-size: clamp(2rem, 11vw, 2.8rem);
    max-width: none;
  }

  body.player-mode .hero-text,
  body.player-mode .meta-note,
  body.player-mode .section-note,
  body.player-mode .exercise-notes {
    font-size: 0.92rem;
  }

  body.player-mode .meta-row,
  body.player-mode .section-header,
  body.player-mode .player-header,
  body.player-mode .accordion-summary {
    flex-direction: column;
    align-items: stretch;
  }

  body.player-mode .meta-badge,
  body.player-mode .meta-note,
  body.player-mode .small-button {
    width: 100%;
    justify-content: center;
  }

  body.player-mode .roster-item {
    padding: 12px;
  }

  body.player-mode .roster-item > span,
  body.player-mode .accordion-title-wrap,
  body.player-mode .exercise-copy,
  body.player-mode .exercise-visual,
  body.player-mode .quick-callout,
  body.player-mode .detail-copy,
  body.player-mode .visual-copy {
    min-width: 0;
  }

  body.player-mode .chips {
    width: 100%;
    justify-content: flex-start;
    overflow-wrap: anywhere;
  }

  body.player-mode .tag {
    max-width: 100%;
    white-space: normal;
    text-align: left;
  }

  body.player-mode .accordion-chevron {
    align-self: flex-start;
  }

  body.player-mode .accordion-content {
    padding: 0 14px 14px;
  }

  body.player-mode .exercise-detail {
    gap: 14px;
  }

  body.player-mode .exercise-visual img {
    max-height: 280px;
    object-fit: cover;
  }

  .admin-list-item,
  .profile-inline-actions {
    flex-direction: column;
    align-items: stretch;
  }
}