:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef2f4;
  --ink: #172126;
  --muted: #63727b;
  --line: #dbe3e7;
  --accent: #ce2d4f;
  --accent-2: #116a7b;
  --good: #24845a;
  --easy: #2d6f9f;
  --warn: #aa6a16;
  --bad: #b93232;
  --shadow: 0 16px 40px rgba(23, 33, 38, 0.08);
  --tone-recovery: #67c7d0;
  --tone-easy: #3f9b73;
  --tone-long: #4f82b7;
  --tone-threshold: #c48e2c;
  --tone-10k: #d76f3d;
  --tone-5k: #c84f68;
  --tone-3k: #b94c93;
  --tone-1k: #9548b8;
  --tone-vo2: #7b5ac7;
  --tone-sprint: #303844;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

body.auth-pending .app-shell,
body.auth-required .app-shell {
  display: none;
}

.auth-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #111a1f, #24414a);
}

.auth-card {
  display: grid;
  gap: 14px;
  width: min(420px, 100%);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(17, 26, 31, 0.28);
}

.compact-brand {
  color: var(--ink);
}

.compact-brand .brand-mark {
  background: var(--surface-2);
}

.auth-card p {
  margin: 0;
  color: var(--muted);
}

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

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
  min-width: 0;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 24px;
  background: #111a1f;
  color: #f8fbfc;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  overflow: hidden;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  flex: 0 0 42px;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  margin-top: 2px;
  color: #aebbc1;
  font-size: 13px;
}

.sidebar-profile-photo {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 4 / 5;
  max-height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav-item,
.primary-btn,
.ghost-btn {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.nav-item {
  padding: 0 14px;
  background: transparent;
  color: #d7e0e4;
  text-align: left;
}

.nav-item.active,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.11);
  color: #ffffff;
}

.side-note {
  margin-top: auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
}

.side-note span,
.side-note strong {
  display: block;
}

.side-note span {
  color: #aebbc1;
  font-size: 13px;
}

.side-note strong {
  margin-top: 4px;
}

.role-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.role-field {
  display: grid;
  gap: 6px;
}

.role-field span {
  color: #aebbc1;
  font-size: 12px;
}

.role-field strong {
  font-size: 14px;
}

.role-field select {
  height: 36px;
  border-color: rgba(255, 255, 255, 0.18);
  background: #18252b;
  color: #f8fbfc;
}

.role-panel .ghost-btn {
  width: 100%;
  min-height: 36px;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #f8fbfc;
}

.sidebar-logout {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #f8fbfc;
}

.sidebar-logout:hover {
  background: rgba(206, 45, 79, 0.22);
  color: #ffffff;
}

.role-student .coach-only {
  display: none !important;
}

.role-coach .student-import-only {
  display: none !important;
}

.main {
  min-width: 0;
  padding: 28px;
}

.view {
  display: none;
}

.view.active {
  display: block;
  min-width: 0;
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.page-head.compact {
  max-width: 860px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
}

h2 {
  font-size: 18px;
}

p {
  margin-top: 8px;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.55;
}

.primary-btn {
  flex: 0 0 auto;
  padding: 0 18px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
}

.ghost-btn {
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.ghost-btn.active,
.primary-btn.active {
  border-color: rgba(17, 106, 123, 0.45);
  box-shadow: 0 0 0 3px rgba(17, 106, 123, 0.12);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.adjust-choice {
  display: none;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin: -8px 0 18px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.adjust-choice.open {
  display: flex;
}

.adjust-choice span {
  margin-right: 4px;
  color: var(--muted);
  font-size: 13px;
}

.week-switcher {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -8px 0 18px;
}

.week-switcher strong {
  min-width: 190px;
  text-align: center;
}

.ai-status {
  margin: -8px 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--muted);
}

.ai-status.ok {
  border-color: rgba(36, 132, 90, 0.35);
  background: rgba(36, 132, 90, 0.09);
  color: var(--good);
}

.ai-status.error {
  border-color: rgba(185, 50, 50, 0.35);
  background: rgba(185, 50, 50, 0.08);
  color: var(--bad);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric,
.panel,
.dropzone {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric {
  min-height: 132px;
  padding: 18px;
}

.metric span,
.metric small {
  display: block;
  color: var(--muted);
}

.metric small {
  line-height: 1.45;
}

.metric strong {
  display: block;
  margin: 12px 0 6px;
  font-size: 30px;
  line-height: 1;
}

.readiness.good strong {
  color: var(--good);
}

.readiness.warn strong {
  color: var(--warn);
}

.readiness.bad strong {
  color: var(--bad);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 18px;
}

.panel {
  padding: 18px;
}

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

.goal-center {
  margin-bottom: 18px;
}

.goal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.goal-grid > div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.goal-grid strong,
.hr-zone strong,
.week-row strong {
  display: block;
}

.goal-grid p,
.hr-zone-strip p,
.hr-zone small,
.week-row small {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.4;
}

.hr-zone-strip {
  margin-top: 12px;
}

.hr-zone-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.hr-zone {
  padding: 10px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--tone-color, var(--accent-2));
  border-radius: 8px;
  background: #fbfcfd;
}

.hr-zone span {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 13px;
}

.zone-z1 {
  --tone-color: var(--tone-recovery);
}

.zone-z2 {
  --tone-color: var(--tone-easy);
}

.zone-z3 {
  --tone-color: var(--tone-long);
}

.zone-z4 {
  --tone-color: var(--tone-threshold);
}

.zone-z5 {
  --tone-color: var(--tone-vo2);
}

.week-comparison-panel {
  margin-top: 18px;
}

.week-comparison {
  display: grid;
  gap: 8px;
}

.week-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.2fr) repeat(3, minmax(120px, 1fr));
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.week-row.head {
  padding: 0 12px 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.week-row.current {
  border-color: rgba(17, 106, 123, 0.32);
  background: #f3f9fb;
}

.today-plan-panel {
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
}

.today-plan-panel[class*="plan-tone-"] {
  border-left: 5px solid var(--tone-color, var(--accent-2));
}

.today-plan-panel.eval-matched {
  border-color: rgba(36, 132, 90, 0.5);
  background: #f1faf5;
}

.today-plan-panel.eval-lighter {
  border-color: rgba(45, 111, 159, 0.46);
  background: #eef7fc;
}

.today-plan-panel.eval-harder {
  border-color: rgba(190, 143, 39, 0.5);
  background: #fff7df;
}

.today-plan-panel.eval-overloaded,
.today-plan-panel.eval-mismatch,
.today-plan-panel.eval-missed {
  border-color: rgba(185, 50, 50, 0.48);
  background: #fff0f0;
}

.today-plan-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
  gap: 14px;
}

.today-assignment,
.today-fact {
  min-width: 0;
}

.today-assignment strong,
.today-fact strong,
.today-assignment small,
.today-fact small {
  display: block;
}

.today-assignment strong {
  margin-top: 4px;
  font-size: 20px;
}

.today-assignment p,
.today-fact p {
  margin: 8px 0;
  line-height: 1.5;
}

.today-assignment small,
.today-fact small {
  color: var(--muted);
  line-height: 1.4;
}

.today-status {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.today-status.matched,
.today-fact strong.matched {
  color: var(--good);
}

.today-status.lighter,
.today-fact strong.lighter {
  color: var(--easy);
}

.today-status.harder,
.today-fact strong.harder {
  color: var(--warn);
}

.today-status.overloaded,
.today-status.mismatch,
.today-status.missed,
.today-fact strong.overloaded,
.today-fact strong.mismatch,
.today-fact strong.missed {
  color: var(--bad);
}

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

.workout-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.workout-row strong,
.workout-row span {
  display: block;
}

.workout-row em {
  display: block;
  margin-top: 4px;
  color: var(--accent-2);
  font-size: 12px;
  font-style: normal;
}

.workout-type-control {
  display: flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: 8px;
  font-size: 12px;
}

.workout-type-control select {
  width: auto;
  min-width: 150px;
  height: 32px;
  padding: 0 8px;
  font-size: 12px;
}

.workout-feedback {
  display: grid;
  grid-template-columns: minmax(130px, 0.35fr) minmax(220px, 1fr) auto;
  gap: 8px;
  align-items: end;
  margin-top: 10px;
}

.workout-feedback label {
  gap: 5px;
  font-size: 12px;
}

.workout-feedback select {
  height: 34px;
  padding: 0 8px;
  font-size: 12px;
}

.workout-feedback textarea {
  min-height: 34px;
  padding: 8px;
  font-size: 12px;
}

.workout-feedback .ghost-btn {
  min-height: 34px;
  padding: 0 10px;
  font-size: 12px;
}

.workout-row span,
.workout-row small {
  color: var(--muted);
}

.load-charts {
  display: grid;
  gap: 18px;
}

.load-chart {
  display: grid;
  gap: 8px;
}

.load-chart-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.load-chart-head strong {
  font-size: 14px;
}

.load-chart-head span {
  color: var(--muted);
  font-size: 12px;
}

.chart-bars {
  display: grid;
  align-items: end;
  grid-template-columns: repeat(14, minmax(12px, 1fr));
  gap: 8px;
  min-height: 170px;
  padding-top: 4px;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(to top, rgba(99, 114, 123, 0.14) 1px, transparent 1px);
  background-size: 100% 40px;
  background-position: 0 25px;
}

.bar-wrap {
  display: grid;
  align-items: end;
  grid-template-rows: 18px minmax(4px, auto) 18px;
  gap: 5px;
  min-width: 0;
}

.bar {
  min-height: 4px;
  border-radius: 6px 6px 0 0;
  background: var(--accent-2);
}

.bar.distance {
  background: var(--good);
}

.bar.hours {
  background: var(--warn);
}

.bar-value {
  color: var(--ink);
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}

.bar-date {
  color: var(--muted);
  font-size: 11px;
  line-height: 1;
  text-align: center;
}

.dropzone {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 240px;
  padding: 24px;
  border-style: dashed;
  text-align: center;
}

.dropzone.dragover {
  border-color: var(--accent);
  background: #fff7f9;
}

.dropzone input {
  display: none;
}

.dropzone span {
  color: var(--muted);
}

.dropzone .primary-btn {
  min-width: 240px;
}

.dropzone strong {
  font-size: 22px;
}

.import-log {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.import-diagnostics-panel {
  margin-top: 16px;
}

.import-diagnostics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.import-diagnostics-grid > div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.import-diagnostics-grid > div.ok {
  border-color: rgba(36, 132, 90, 0.28);
  background: #f3faf6;
}

.import-diagnostics-grid > div.warn {
  border-color: rgba(190, 143, 39, 0.34);
  background: #fff8e8;
}

.import-diagnostics-grid span,
.import-diagnostics-grid small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.import-diagnostics-grid strong {
  display: block;
  margin: 5px 0;
  font-size: 24px;
}

.import-diagnostics-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.import-diagnostics-columns > div,
.import-issues {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.import-diagnostics-columns ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.import-issues {
  margin-top: 12px;
  border-color: rgba(185, 50, 50, 0.22);
  background: #fff7f7;
}

.import-issues article {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid rgba(185, 50, 50, 0.16);
}

.import-issues article:first-of-type {
  border-top: 0;
}

.import-issues span {
  color: var(--muted);
  font-size: 13px;
}

.polar-panel {
  margin-bottom: 16px;
}

.polar-panel p {
  margin: 0;
  color: var(--muted);
}

.polar-panel .ghost-btn.connected,
.polar-panel .ghost-btn.connected:disabled {
  border-color: rgba(36, 132, 90, 0.42);
  background: #eef8f2;
  color: var(--good);
  opacity: 1;
}

.log-line {
  padding: 12px;
  border-radius: 8px;
  background: var(--surface-2);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 900px;
}

.profile-photo-field {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.profile-photo-preview {
  display: grid;
  width: 120px;
  height: 120px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 700;
}

.profile-photo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-photo-actions,
.profile-photo-readonly {
  display: grid;
  gap: 8px;
}

.profile-photo-actions strong,
.profile-photo-actions p,
.profile-photo-readonly strong,
.profile-photo-readonly p {
  margin: 0;
}

.profile-photo-actions p,
.profile-photo-readonly p {
  color: var(--muted);
}

.compact-row {
  justify-content: flex-start;
}

.student-manager {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

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

.student-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.student-row.active {
  border-color: rgba(17, 106, 123, 0.36);
  background: #f1f8fa;
}

.student-row strong,
.student-row span,
.student-row small {
  display: block;
}

.student-row span,
.student-row small {
  color: var(--muted);
  font-size: 12px;
}

.student-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.student-actions .ghost-btn {
  min-height: 34px;
  padding: 0 10px;
  font-size: 12px;
}

.ghost-btn.danger {
  color: var(--bad);
}

.hr-zone-settings {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.hr-zone-settings-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.hr-zone-boundaries {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.hr-zone-boundaries input:disabled {
  background: var(--surface-2);
  color: var(--muted);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
}

input,
select {
  height: 44px;
  padding: 0 12px;
}

textarea {
  resize: vertical;
  padding: 12px;
}

.wide {
  grid-column: 1 / -1;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.plan-grid.compact-plan {
  gap: 10px;
}

.plan-analysis {
  margin-bottom: 18px;
}

.ai-plan-review {
  margin-bottom: 18px;
}

.review-verdict {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: var(--muted);
  font-size: 13px;
}

.review-verdict.ok {
  border-color: #b8dfc9;
  background: #f3faf6;
  color: var(--good);
}

.review-verdict.warn {
  border-color: #f0d28a;
  background: #fff8e8;
  color: var(--warn);
}

.review-verdict.danger {
  border-color: #efb2b2;
  background: #fff3f3;
  color: var(--bad);
}

.review-summary {
  margin: 0 0 12px;
  color: var(--muted);
}

.review-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.review-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.review-item span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.review-item strong {
  display: block;
  margin-bottom: 6px;
}

.review-item p {
  margin: 0;
  color: var(--muted);
}

.review-item.info {
  border-left-color: #6aa9c9;
}

.review-item.warn {
  border-left-color: var(--warn);
}

.review-item.danger {
  border-left-color: var(--bad);
}

.review-recommendations {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.review-recommendations ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.plan-legend {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.legend-scale {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.legend-scale span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--tone-color, var(--line));
  border-radius: 8px;
  background: var(--tone-bg, #fbfcfd);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.execution-legend .eval-lighter {
  border-left-color: var(--easy);
  background: #f0f8fd;
  color: var(--easy);
}

.execution-legend .eval-matched {
  border-left-color: var(--good);
  background: #f3faf6;
  color: var(--good);
}

.execution-legend .eval-harder {
  border-left-color: var(--warn);
  background: #fff8e8;
  color: var(--warn);
}

.execution-legend .eval-overloaded {
  border-left-color: var(--bad);
  background: #fff3f3;
  color: var(--bad);
}

.reference-panel {
  margin-bottom: 18px;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.reference-item {
  min-height: 132px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.reference-item.hr-zone-item {
  border-top: 6px solid var(--tone-color);
  background: var(--tone-bg);
}

.reference-item strong {
  display: block;
  margin-bottom: 8px;
}

.reference-item p {
  margin-top: 0;
  font-size: 14px;
}

.template-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.template-item {
  display: grid;
  gap: 10px;
  min-height: 220px;
  padding: 14px;
  border: 1px solid var(--line);
  border-left: 6px solid var(--tone-color, var(--accent-2));
  border-radius: 8px;
  background: var(--tone-bg, #fbfcfd);
}

.template-item strong,
.template-item small {
  display: block;
}

.template-item p {
  margin: 0;
  font-size: 14px;
}

.template-item small {
  color: var(--muted);
  line-height: 1.4;
}

.template-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-self: end;
}

.template-tags span {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
}

.intensity-scale {
  display: grid;
  grid-template-columns: repeat(8, minmax(96px, 1fr));
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.intensity-scale span {
  min-height: 48px;
  padding: 10px;
  border: 1px solid var(--line);
  border-top: 6px solid var(--tone-color);
  border-radius: 8px;
  background: var(--tone-bg);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.tone-recovery {
  --tone-color: var(--tone-recovery);
  --tone-bg: #f2fbfc;
}

.tone-easy {
  --tone-color: var(--tone-easy);
  --tone-bg: #f3faf6;
}

.tone-long {
  --tone-color: var(--tone-long);
  --tone-bg: #f2f7fc;
}

.tone-threshold {
  --tone-color: var(--tone-threshold);
  --tone-bg: #fff9eb;
}

.tone-10k {
  --tone-color: var(--tone-10k);
  --tone-bg: #fff5ef;
}

.tone-5k {
  --tone-color: var(--tone-5k);
  --tone-bg: #fff3f6;
}

.tone-3k {
  --tone-color: var(--tone-3k);
  --tone-bg: #fff1fa;
}

.tone-1k {
  --tone-color: var(--tone-1k);
  --tone-bg: #f9f1ff;
}

.tone-vo2 {
  --tone-color: var(--tone-vo2);
  --tone-bg: #f7f4ff;
}

.tone-sprint {
  --tone-color: var(--tone-sprint);
  --tone-bg: #f3f4f6;
}

.reference-notes {
  margin-top: 14px;
}

.reference-notes p {
  max-width: 980px;
}

.reference-note-callout {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(17, 106, 123, 0.22);
  border-radius: 8px;
  background: #f2f8fa;
  color: var(--accent-2);
  line-height: 1.45;
}

.compact-head {
  margin-bottom: 10px;
}

.compact-head span {
  color: var(--muted);
  font-size: 13px;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.analysis-grid div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.analysis-grid span,
.analysis-grid small {
  display: block;
  color: var(--muted);
}

.analysis-grid strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 22px;
}

.week-progress-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.week-progress-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.week-progress-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.week-progress-head span,
.week-progress-item small {
  color: var(--muted);
}

.week-progress-head span {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.week-progress-track {
  height: 8px;
  margin: 10px 0 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}

.week-progress-bar {
  height: 100%;
  min-width: 2px;
  border-radius: inherit;
  background: var(--progress-color, var(--accent-2));
}

.week-progress-item.low {
  --progress-color: var(--easy);
}

.week-progress-item.on-track {
  --progress-color: var(--good);
}

.week-progress-item.high {
  --progress-color: var(--warn);
}

.week-progress-item.over {
  --progress-color: var(--bad);
}

.week-progress-item.empty {
  --progress-color: var(--muted);
}

.plan-control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.plan-control-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.plan-control-card strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
}

.plan-control-card p,
.plan-control-card ul {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.plan-control-card ul {
  padding-left: 18px;
}

.plan-control-card li + li {
  margin-top: 5px;
}

.plan-control-card.ok {
  border-color: rgba(36, 132, 90, 0.28);
  background: #f3faf6;
}

.plan-control-card.cool {
  border-color: rgba(45, 111, 159, 0.3);
  background: #f0f8fd;
}

.plan-control-card.caution,
.plan-control-card.watch {
  border-color: rgba(190, 143, 39, 0.28);
  background: #fff8e8;
}

.plan-control-card.warn {
  border-color: rgba(185, 50, 50, 0.28);
  background: #fff3f3;
}

.plan-change-log {
  margin-bottom: 18px;
}

.change-log-list {
  display: grid;
  gap: 8px;
}

.change-log-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1fr) minmax(120px, 0.35fr);
  gap: 12px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.change-log-item strong,
.change-log-item span,
.change-log-item small {
  display: block;
}

.change-log-item span,
.change-log-item small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.change-log-item p {
  margin: 0;
  font-size: 14px;
}

.plan-card {
  min-height: 230px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.compact-plan .plan-card {
  min-height: 180px;
  padding: 12px;
}

.compact-plan .plan-card strong {
  margin: 8px 0 6px;
  font-size: 16px;
}

.compact-plan .plan-status {
  margin: 6px 0 8px;
}

.compact-plan .plan-section {
  margin-top: 8px;
  padding: 8px;
}

.compact-plan .plan-assignment p,
.compact-plan .plan-actual p,
.compact-plan .plan-execution p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.compact-plan .plan-meta,
.compact-plan .rationale {
  display: none;
}

.plan-card.completed {
  border-color: rgba(36, 132, 90, 0.45);
  background: #f2faf6;
}

.plan-card.upcoming {
  border-color: rgba(17, 106, 123, 0.32);
  background: #f3f9fb;
}

.plan-card.today {
  border-color: rgba(206, 45, 79, 0.42);
  background: #fff7f8;
}

.plan-card.past {
  background: #f7f8f9;
  color: #52616a;
}

.plan-card.eval-matched {
  border-color: rgba(36, 132, 90, 0.5);
  background: #f1faf5;
}

.plan-card.eval-lighter {
  border-color: rgba(45, 111, 159, 0.46);
  background: #eef7fc;
}

.plan-card.eval-harder {
  border-color: rgba(190, 143, 39, 0.5);
  background: #fff7df;
}

.plan-card.eval-overloaded,
.plan-card.eval-mismatch,
.plan-card.eval-missed {
  border-color: rgba(185, 50, 50, 0.48);
  background: #fff0f0;
}

.plan-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.plan-edit-btn {
  min-height: 30px;
  padding: 0 9px;
  font-size: 12px;
}

.plan-card[class*="plan-tone-"] {
  border-left-width: 6px;
  border-left-color: var(--plan-tone);
}

.plan-card.plan-tone-recovery {
  --plan-tone: var(--tone-recovery);
}

.plan-card.plan-tone-easy {
  --plan-tone: var(--tone-easy);
}

.plan-card.plan-tone-long {
  --plan-tone: var(--tone-long);
}

.plan-card.plan-tone-threshold {
  --plan-tone: var(--tone-threshold);
}

.plan-card.plan-tone-10k {
  --plan-tone: var(--tone-10k);
}

.plan-card.plan-tone-5k {
  --plan-tone: var(--tone-5k);
}

.plan-card.plan-tone-3k {
  --plan-tone: var(--tone-3k);
}

.plan-card.plan-tone-1k {
  --plan-tone: var(--tone-1k);
}

.plan-card.plan-tone-vo2 {
  --plan-tone: var(--tone-vo2);
}

.plan-card.plan-tone-sprint {
  --plan-tone: var(--tone-sprint);
}

.plan-card.upcoming.plan-tone-recovery {
  background: #f2fbfc;
}

.plan-card.upcoming.plan-tone-easy {
  background: #f3faf6;
}

.plan-card.upcoming.plan-tone-long {
  background: #f2f7fc;
}

.plan-card.upcoming.plan-tone-threshold {
  background: #fff9eb;
}

.plan-card.upcoming.plan-tone-10k {
  background: #fff5ef;
}

.plan-card.upcoming.plan-tone-5k {
  background: #fff3f6;
}

.plan-card.upcoming.plan-tone-3k {
  background: #fff1fa;
}

.plan-card.upcoming.plan-tone-1k {
  background: #f9f1ff;
}

.plan-card.upcoming.plan-tone-vo2 {
  background: #f7f4ff;
}

.plan-card.upcoming.plan-tone-sprint {
  background: #f3f4f6;
}

.plan-card time,
.plan-card span,
.plan-card small {
  display: block;
  color: var(--muted);
}

.plan-status {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  margin: 8px 0 10px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
}

.plan-card.completed .plan-status {
  border-color: rgba(36, 132, 90, 0.35);
  color: var(--good);
}

.plan-card.completed.eval-lighter .plan-status {
  border-color: rgba(45, 111, 159, 0.35);
  background: #f0f8fd;
  color: var(--easy);
}

.plan-card.completed.eval-matched .plan-status {
  border-color: rgba(36, 132, 90, 0.35);
  background: #f3faf6;
  color: var(--good);
}

.plan-card.completed.eval-harder .plan-status {
  border-color: rgba(190, 143, 39, 0.38);
  background: #fff8e8;
  color: var(--warn);
}

.plan-card.completed.eval-overloaded .plan-status,
.plan-card.completed.eval-mismatch .plan-status {
  border-color: rgba(185, 50, 50, 0.35);
  background: #fff3f3;
  color: var(--bad);
}

.plan-card.upcoming .plan-status {
  border-color: rgba(17, 106, 123, 0.35);
  color: var(--accent-2);
}

.plan-card.today .plan-status {
  border-color: rgba(206, 45, 79, 0.35);
  color: var(--accent);
}

.plan-card strong {
  display: block;
  margin: 14px 0 8px;
  font-size: 18px;
}

.plan-card p {
  font-size: 14px;
}

.plan-section {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.plan-section p {
  margin: 4px 0 0;
}

.section-label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.plan-assignment {
  background: #ffffff;
}

.plan-meta {
  background: #f8fafb;
}

.plan-actual {
  border-color: rgba(36, 132, 90, 0.28);
  background: #eef8f2;
}

.actual-group {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(36, 132, 90, 0.18);
}

.actual-group:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.actual-group strong {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 5px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(36, 132, 90, 0.12);
  color: var(--good);
  font-size: 12px;
}

.actual-group.additional strong {
  background: rgba(45, 111, 159, 0.12);
  color: var(--easy);
}

.actual-group.single strong {
  background: transparent;
  padding: 0;
}

.actual-group p {
  margin-top: 0;
}

.plan-execution.matched {
  border-color: rgba(36, 132, 90, 0.28);
  background: #f3faf6;
}

.plan-execution.matched .section-label {
  color: var(--good);
}

.plan-execution.harder,
.plan-execution.pending {
  border-color: rgba(190, 143, 39, 0.32);
  background: #fff8e8;
}

.plan-execution.harder .section-label {
  color: var(--warn);
}

.plan-execution.lighter {
  border-color: rgba(45, 111, 159, 0.3);
  background: #f0f8fd;
}

.plan-execution.lighter .section-label {
  color: var(--easy);
}

.plan-execution.overloaded,
.plan-execution.mismatch,
.plan-execution.missed {
  border-color: rgba(185, 50, 50, 0.28);
  background: #fff3f3;
}

.plan-execution.overloaded .section-label,
.plan-execution.mismatch .section-label,
.plan-execution.missed .section-label {
  color: var(--bad);
}

.plan-execution p strong {
  display: inline;
  margin: 0;
  font-size: inherit;
}

.execution-more {
  margin-top: 8px;
  font-size: 13px;
}

.execution-more summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 700;
}

.execution-more ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.execution-more li {
  margin-bottom: 4px;
  color: var(--muted);
}

.plan-card .rationale {
  border-color: rgba(17, 106, 123, 0.22);
  background: #f2f8fa;
  color: var(--accent-2);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(17, 26, 31, 0.42);
}

.modal-panel {
  width: min(860px, 100%);
  max-height: min(780px, calc(100vh - 40px));
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(17, 26, 31, 0.22);
}

.modal-panel .form-grid {
  max-width: none;
}

.modal-actions {
  margin-top: 14px;
}

.prompt-panel textarea {
  min-height: 190px;
  background: #fbfcfd;
}

.empty {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1080px) {
  .metric-grid,
  .analysis-grid,
  .goal-grid,
  .hr-zone-grid,
  .week-progress-grid,
  .plan-legend,
  .plan-control-grid,
  .import-diagnostics-grid,
  .import-diagnostics-columns,
  .plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .workout-feedback,
  .student-row {
    grid-template-columns: 1fr;
  }

  .student-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    top: 0;
    z-index: 2;
    gap: 12px;
    width: 100%;
    padding: 12px;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }

  .brand span {
    font-size: 12px;
  }

  .sidebar-profile-photo {
    width: 84px;
    max-height: 100px;
  }

  .nav {
    display: flex;
    gap: 8px;
    margin: 0 -12px;
    padding: 0 12px 4px;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .nav-item {
    flex: 0 0 auto;
    min-width: 86px;
    min-height: 38px;
    padding: 0 12px;
    text-align: center;
  }

  .role-panel {
    gap: 8px;
    padding: 10px;
  }

  .role-field select,
  .role-panel .ghost-btn,
  .sidebar-logout {
    min-height: 38px;
  }

  .side-note {
    display: none;
  }

  .main {
    width: 100%;
    padding: 16px 12px 24px;
  }

  .page-head {
    display: grid;
    gap: 14px;
    margin-bottom: 18px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.05;
  }

  h2 {
    font-size: 17px;
  }

  p {
    max-width: 100%;
  }

  .button-row {
    justify-content: flex-start;
  }

  .button-row .primary-btn,
  .button-row .ghost-btn {
    flex: 1 1 150px;
  }

  .primary-btn,
  .ghost-btn {
    min-height: 40px;
  }

  .adjust-choice {
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 0 0 14px;
  }

  .metric-grid,
  .analysis-grid,
  .goal-grid,
  .hr-zone-grid,
  .week-progress-grid,
  .plan-legend,
  .plan-control-grid,
  .import-diagnostics-grid,
  .import-diagnostics-columns,
  .plan-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .week-row,
  .week-row.head,
  .change-log-item,
  .hr-zone-settings-head,
  .today-plan-grid,
  .hr-zone-boundaries {
    grid-template-columns: 1fr;
  }

  .profile-photo-field {
    grid-template-columns: 1fr;
  }

  .metric,
  .panel,
  .dropzone {
    box-shadow: 0 8px 24px rgba(23, 33, 38, 0.06);
  }

  .metric,
  .panel {
    padding: 14px;
  }

  .metric {
    min-height: 112px;
  }

  .metric strong {
    font-size: 26px;
  }

  .panel-head {
    display: grid;
    justify-content: stretch;
  }

  .week-switcher {
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 14px;
  }

  .week-switcher strong {
    order: -1;
    min-width: 100%;
    text-align: left;
  }

  .week-switcher .ghost-btn {
    flex: 1 1 auto;
  }

  .chart-bars {
    grid-template-columns: repeat(14, minmax(22px, 1fr));
    gap: 5px;
    overflow-x: auto;
    min-height: 150px;
    padding-bottom: 4px;
  }

  .bar-value {
    font-size: 9px;
  }

  .bar-date {
    font-size: 10px;
  }

  .workout-row {
    grid-template-columns: 1fr;
  }

  .workout-type-control {
    width: 100%;
    align-items: stretch;
    flex-wrap: wrap;
  }

  .workout-type-control select,
  .workout-feedback select,
  .workout-feedback textarea,
  .workout-feedback .ghost-btn {
    width: 100%;
  }

  .dropzone {
    min-height: 180px;
    padding: 18px;
  }

  .dropzone strong {
    font-size: 18px;
  }

  .dropzone .primary-btn {
    width: 100%;
    min-width: 0;
  }

  .import-issues article {
    gap: 6px;
  }

  .plan-card {
    min-height: 0;
    padding: 14px;
  }

  .plan-card-head {
    display: grid;
  }

  .plan-edit-btn {
    justify-self: start;
  }

  .plan-section {
    padding: 10px;
  }

  .plan-legend {
    gap: 14px;
  }

  .tone-legend,
  .eval-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .plan-change-log,
  .week-comparison,
  .import-diagnostics-columns,
  .load-charts,
  .template-library-grid,
  .reference-grid {
    overflow-wrap: anywhere;
  }

  table,
  pre,
  code {
    max-width: 100%;
  }

  pre {
    overflow-x: auto;
  }

  .intensity-scale {
    grid-template-columns: repeat(8, minmax(82px, 1fr));
  }

  .intensity-scale span {
    min-height: 42px;
    padding: 8px 6px;
    font-size: 12px;
  }

  .modal-backdrop {
    padding: 10px;
  }

  .modal-panel {
    width: 100%;
    max-height: calc(100vh - 20px);
    overflow-y: auto;
  }
}

@media (max-width: 420px) {
  .main {
    padding-inline: 10px;
  }

  h1 {
    font-size: 30px;
  }

  .brand strong {
    font-size: 15px;
  }

  .nav-item {
    min-width: 78px;
    padding-inline: 10px;
    font-size: 13px;
  }

  .role-panel {
    font-size: 13px;
  }

  .metric strong {
    font-size: 24px;
  }

  .plan-status {
    white-space: normal;
    line-height: 1.25;
  }
}