:root {
  --endurance-blue: #0877a8;
  --endurance-blue-soft: #eaf6fb;
  --endurance-orange: #d66b2c;
  --endurance-ink: #16221d;
}

/* Production has no dev banner: styles.css owns the fixed header and its spacing. */
.dev-safety-banner { position: fixed; inset: 0 0 auto; z-index: 1000; min-height: 32px; padding: 6px 20px; display: flex; justify-content: center; align-items: center; gap: 10px; background: #17141f; color: #fff; font-size: 10px; letter-spacing: .05em; }
.dev-safety-banner strong { color: #9be1ff; font-size: 10px; }
.dev-safety-banner span { color: #c8c4d2; }
.dev-version-badge { display: inline-flex; align-items: center; min-height: 24px; padding: 4px 9px; border: 1px solid #9fd6eb; border-radius: 999px; background: #edf9fd; color: #0877a8; font-size: 9px; font-weight: 800; letter-spacing: .08em; white-space: nowrap; }
.dev-demo-entry { width: 100%; margin-top: 9px; }
.dev-demo-help { display: block; margin-top: 7px; color: #7b8580; font-size: 9px; text-align: center; }

.planning-mode-switch { width: min(1500px, calc(100% - 32px)); margin: 14px auto 10px; padding: 4px; display: flex; gap: 4px; border: 1px solid var(--line); border-radius: 12px; background: #eef1ef; }
.planning-mode-switch button { min-width: 145px; padding: 9px 16px; display: flex; justify-content: center; align-items: center; gap: 8px; border: 0; border-radius: 9px; background: transparent; color: #647069; font: 800 11px Manrope, sans-serif; cursor: pointer; }
.planning-mode-switch button span { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 7px; background: #dde3df; }
.planning-mode-switch button.active { background: #fff; color: var(--ink); box-shadow: 0 2px 8px rgba(22,44,34,.08); }
.planning-mode-switch button[data-planning-mode="endurance"].active { color: var(--endurance-blue); }
.planning-mode-switch button[data-planning-mode="endurance"].active span { background: var(--endurance-blue-soft); }
.planning-mode-switch button[hidden] { display: none !important; }

.endurance-student-view { padding: 20px; background: #f6f8f7; }
.student-endurance-header { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.student-endurance-header h2 { margin: 3px 0 0; font: 800 21px Manrope, sans-serif; color: var(--endurance-ink); }
.student-endurance-header label { display: grid; gap: 5px; color: #66726b; font-size: 10px; font-weight: 800; }
.student-endurance-header select { min-height: 40px; padding: 8px 12px; border: 1px solid #cbd8d2; border-radius: 9px; background: #fff; font: 700 13px DM Sans, sans-serif; }
.student-endurance-list { display: grid; gap: 14px; max-width: 760px; }
.student-endurance-session { padding: 17px; border: 1px solid #d8e7ed; border-left: 4px solid var(--endurance-blue); border-radius: 14px; background: #fff; box-shadow: 0 3px 12px rgba(22,44,34,.04); }
.student-endurance-session[data-sport="cycling"] { border-left-color: #d78a2e; }
.student-endurance-session[data-sport="swimming"] { border-left-color: #2a9d8f; }
.student-endurance-session[data-sport="other"] { border-left-color: #7d6caf; }
.student-endurance-session-top { display: flex; justify-content: space-between; gap: 8px; color: #67756e; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.student-endurance-session h3 { margin: 10px 0; color: var(--endurance-ink); font: 800 18px Manrope, sans-serif; }
.student-endurance-session .endurance-session-metrics span { font-size: 10px; padding: 5px 7px; }
.student-endurance-instruction { margin: 13px 0; color: #46564c; font-size: 13px; line-height: 1.5; white-space: pre-line; }
.student-endurance-status { margin: 14px 0 0; padding: 10px 12px; border-radius: 9px; background: #f2f4f3; color: #6c7770; font-size: 12px; font-weight: 800; }
.student-endurance-status.complete { background: #e8f5ed; color: #247148; }
.student-endurance-result { display: flex; align-items: end; gap: 10px; margin-top: 14px; }
.student-endurance-result label { display: grid; gap: 6px; flex: 1; color: #52635a; font-size: 11px; font-weight: 800; }
.student-endurance-result input { width: 100%; min-height: 44px; padding: 9px 12px; border: 1px solid #cbd8d2; border-radius: 9px; background: #fff; color: var(--endurance-ink); font: 700 16px DM Sans, sans-serif; }
.student-endurance-result button { min-height: 44px; padding: 10px 16px; border: 0; border-radius: 9px; background: var(--endurance-blue); color: #fff; font: 800 12px Manrope, sans-serif; cursor: pointer; }
.student-endurance-undo { margin-top: 10px; padding: 4px 0; border: 0; background: transparent; color: #68766d; font: 700 11px DM Sans, sans-serif; cursor: pointer; text-decoration: underline; }
.student-endurance-empty { margin: 0; padding: 24px; border: 1px dashed #cbd8d2; border-radius: 12px; color: #65736c; background: #fff; font-size: 13px; }
body.student-view #editorView #enduranceStudentView input,
body.student-view #editorView #enduranceStudentView select,
body.athlete-view #editorView #enduranceStudentView input,
body.athlete-view #editorView #enduranceStudentView select { pointer-events: auto; }

.endurance-planner { width: min(1500px, calc(100% - 32px)); margin: 0 auto 36px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); box-shadow: 0 2px 8px rgba(22,44,34,.03); overflow: hidden; }
.endurance-toolbar { min-height: 92px; padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
.endurance-toolbar h2 { margin: 2px 0; font: 800 20px Manrope, sans-serif; }
.endurance-toolbar p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.endurance-week-actions { display: flex; align-items: flex-end; gap: 7px; flex-wrap: wrap; justify-content: flex-end; }
.endurance-week-actions label { display: grid; gap: 4px; color: #7a8580; font-size: 8px; font-weight: 800; letter-spacing: .08em; }
.endurance-week-actions select { min-width: 125px; height: 36px; padding: 0 30px 0 10px; border: 1px solid #d8e0dc; border-radius: 8px; background: #fff; color: var(--ink); font-weight: 700; }
.endurance-week-actions .btn { min-height: 36px; padding: 8px 11px; font-size: 10px; }
.endurance-local-note { padding: 8px 22px; border-bottom: 1px solid #cde5ef; background: var(--endurance-blue-soft); color: #4b6d7b; font-size: 10px; }
.endurance-local-note strong { color: var(--endurance-blue); }
.endurance-week-grid { padding: 12px; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; background: #f6f8f7; }
.endurance-day { min-height: 280px; padding: 10px; display: flex; flex-direction: column; gap: 8px; border: 1px solid #dfe5e1; border-radius: 11px; background: #fff; }
.endurance-day.today { border-color: #8ec9df; box-shadow: inset 0 3px 0 var(--endurance-blue); }
.endurance-day-head { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.endurance-day-title strong { display: block; color: #48554e; font: 800 10px Manrope, sans-serif; letter-spacing: .08em; }
.endurance-day-title span { color: #9aa39e; font-size: 9px; }
.endurance-day-actions { display: flex; gap: 3px; }
.endurance-icon-btn { width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid #dce3df; border-radius: 7px; background: #fff; color: #62716a; cursor: pointer; font-size: 13px; }
.endurance-icon-btn:hover { border-color: #8fc8dc; color: var(--endurance-blue); }
.strength-glance { padding: 7px 8px; border: 1px solid #dedbec; border-radius: 8px; background: #f7f6ff; }
.strength-glance small { display: block; color: #736ea2; font-size: 7px; font-weight: 800; letter-spacing: .08em; }
.strength-glance strong { display: block; margin-top: 2px; color: #373154; font-size: 10px; overflow-wrap: anywhere; }
.endurance-session-list { display: grid; gap: 6px; }
.endurance-session { position: relative; padding: 9px; border: 1px solid #d8e7ed; border-left: 3px solid var(--endurance-blue); border-radius: 9px; background: #fbfeff; }
.endurance-session[data-sport="cycling"] { border-left-color: #d78a2e; background: #fffdf9; }
.endurance-session[data-sport="swimming"] { border-left-color: #2a9d8f; background: #f9fffd; }
.endurance-session[data-sport="other"] { border-left-color: #7d6caf; background: #fdfbff; }
.endurance-session-head { display: flex; gap: 6px; align-items: flex-start; }
.endurance-sport-icon { font-size: 14px; line-height: 1; }
.endurance-session-title { min-width: 0; flex: 1; }
.endurance-session-title small { display: block; margin-bottom: 2px; color: #7b8881; font-size: 7px; font-weight: 800; letter-spacing: .08em; }
.endurance-session-title strong { display: block; color: var(--endurance-ink); font-size: 11px; line-height: 1.25; overflow-wrap: anywhere; }
.endurance-session-metrics { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 3px; }
.endurance-session-metrics span { padding: 3px 5px; border-radius: 5px; background: #edf3f0; color: #526159; font-size: 8px; font-weight: 700; }
.endurance-session-instruction { margin: 6px 0 0; display: -webkit-box; overflow: hidden; color: #66716b; font-size: 9px; line-height: 1.35; -webkit-line-clamp: 3; -webkit-box-orient: vertical; white-space: pre-line; }
.endurance-result-state { margin-top: 7px; padding: 6px; display: grid; grid-template-columns: auto 1fr; gap: 2px 6px; border-radius: 6px; background: #f5f7f6; }
.endurance-result-state span { color: #909b95; font-size: 7px; font-weight: 800; letter-spacing: .06em; }
.endurance-result-state strong { color: #4e5c55; font-size: 8px; text-align: right; }
.endurance-session-actions { margin-top: 7px; padding-top: 6px; display: flex; flex-wrap: wrap; gap: 4px; border-top: 1px solid #e8eeeb; }
.endurance-session-actions button { padding: 2px 0; border: 0; background: transparent; color: #65736c; font-size: 8px; font-weight: 800; cursor: pointer; }
.endurance-session-actions button:hover { color: var(--endurance-blue); }
.endurance-session-actions button + button::before { content: "·"; margin: 0 4px 0 1px; color: #b1bab5; }
.endurance-add-session { margin-top: auto; width: 100%; min-height: 30px; border: 1px dashed #b8d6e1; border-radius: 8px; background: #f7fcfe; color: var(--endurance-blue); font-size: 9px; font-weight: 800; cursor: pointer; }
.endurance-empty-week { grid-column: 1 / -1; padding: 10px 4px 2px; color: #738078; font-size: 11px; text-align: center; }

.endurance-dialog { width: min(680px, calc(100% - 24px)); max-height: calc(100vh - 32px); padding: 0; border: 0; border-radius: 16px; box-shadow: 0 24px 70px rgba(16,28,22,.24); overflow: auto; }
.endurance-dialog::backdrop { background: rgba(13,20,17,.55); backdrop-filter: blur(2px); }
.endurance-dialog form, .endurance-dialog-content { padding: 22px; }
.endurance-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.endurance-form-grid label, .endurance-dialog label { display: grid; gap: 5px; color: #66726b; font-size: 9px; font-weight: 800; letter-spacing: .05em; }
.endurance-form-grid .span-2 { grid-column: 1 / -1; }
.endurance-form-grid input, .endurance-form-grid select, .endurance-form-grid textarea, .endurance-dialog select, .endurance-dialog input { width: 100%; min-height: 40px; padding: 9px 10px; border: 1px solid #d7dfdb; border-radius: 8px; background: #fff; color: var(--ink); font: 500 12px DM Sans, sans-serif; letter-spacing: 0; }
.endurance-form-grid textarea { min-height: 76px; resize: vertical; }
.endurance-form-grid textarea[name="instruction"] { min-height: 122px; }
.endurance-dialog .dialog-actions { margin-top: 16px; }
.endurance-dialog-hint { margin: 8px 0 0; color: var(--muted); font-size: 11px; }

.tracking-topbar { align-items: flex-end; }
.tracking-athlete-picker { min-width: 240px; display: grid; gap: 5px; color: #7b8580; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.tracking-athlete-picker select { height: 40px; padding: 0 35px 0 12px; border: 1px solid #d6ded9; border-radius: 9px; background: #fff; color: var(--ink); font-weight: 700; }
.tracking-dashboard { width: min(1500px, calc(100% - 32px)); margin: 0 auto 40px; display: grid; grid-template-columns: 1.3fr .9fr; gap: 12px; }
.tracking-card { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 2px 8px rgba(22,44,34,.03); }
.tracking-card h2 { margin: 3px 0 14px; font: 800 16px Manrope, sans-serif; }
.tracking-card-wide { grid-column: 1 / -1; }
.tracking-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.tracking-stat { padding: 12px; border-radius: 10px; background: #f5f7f6; }
.tracking-stat small { display: block; min-height: 24px; color: #7b8680; font-size: 8px; font-weight: 800; letter-spacing: .06em; }
.tracking-stat strong { display: block; margin-top: 4px; color: var(--ink); font: 800 18px Manrope, sans-serif; }
.tracking-stat span { display: block; margin-top: 3px; color: #89928d; font-size: 9px; }
.tracking-compliance { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 7px; }
.tracking-day-state { min-height: 92px; padding: 9px 5px; border-radius: 9px; background: #f5f7f6; text-align: center; }
.tracking-day-state > strong { display: block; color: #6c7972; font-size: 9px; }
.tracking-day-state > span { display: block; margin-top: 8px; color: #a0aaa4; font-size: 16px; }
.tracking-day-chips { margin-top: 7px; display: grid; gap: 3px; }
.tracking-day-chips small { padding: 3px; border-radius: 5px; background: #e7eeea; color: #56655d; font-size: 8px; font-weight: 800; }
.tracking-day-chips small.done { background: #dbf1e6; color: #23704e; }
.tracking-list { display: grid; gap: 7px; }
.tracking-list-row { padding: 9px 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; border-bottom: 1px solid #edf0ee; }
.tracking-list-row:last-child { border-bottom: 0; }
.tracking-list-row strong { display: block; font-size: 11px; }
.tracking-list-row span, .tracking-list-row time { color: #818b86; font-size: 9px; }
.tracking-score { min-width: 38px; align-self: center; padding: 7px; border-radius: 8px; background: #f0eefb; color: var(--green) !important; font: 800 13px Manrope, sans-serif !important; text-align: center; }
.tracking-alert { padding: 11px; border: 1px solid #f0dfc7; border-radius: 9px; background: #fffaf2; color: #735b37; font-size: 10px; line-height: 1.45; }
.tracking-placeholder { color: #89938e; font-size: 11px; }
.tracking-empty { grid-column: 1 / -1; padding: 60px 20px; border: 1px dashed #ccd5d0; border-radius: 14px; color: #78847d; text-align: center; background: #fff; }

body.student-view .endurance-session-actions,
body.student-view .endurance-add-session,
body.student-view .endurance-day-actions,
body.student-view .endurance-week-actions #addEnduranceWeek,
body.student-view .endurance-week-actions #duplicateEnduranceWeek,
body.student-view .endurance-week-actions #deleteEnduranceWeek { display: none; }

@media (max-width: 1180px) {
  .endurance-week-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dev-safety-banner { min-height: 43px; padding: 5px 10px; flex-direction: column; gap: 1px; }
  .planning-mode-switch { width: calc(100% - 24px); }
  .planning-mode-switch button { min-width: 0; flex: 1; }
  .endurance-student-view { padding: 14px; }
  .student-endurance-header { align-items: stretch; flex-direction: column; }
  .student-endurance-result { align-items: stretch; flex-direction: column; }
  .student-endurance-result button { width: 100%; }
  .endurance-planner, .tracking-dashboard { width: calc(100% - 24px); }
  .endurance-toolbar { align-items: stretch; flex-direction: column; }
  .endurance-week-actions { justify-content: flex-start; }
  .endurance-week-grid { grid-template-columns: 1fr; }
  .endurance-day { min-height: 0; }
  .endurance-form-grid { grid-template-columns: 1fr; }
  .endurance-form-grid .span-2 { grid-column: auto; }
  .tracking-dashboard { grid-template-columns: 1fr; }
  .tracking-card-wide { grid-column: auto; }
  .tracking-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tracking-compliance { grid-template-columns: repeat(7, minmax(52px, 1fr)); overflow-x: auto; padding-bottom: 5px; }
  .tracking-topbar { align-items: stretch; }
  .tracking-athlete-picker { min-width: 0; }
}