/* Shared visual layer;
page-specific layouts and behavior live in their original files. */
:root {
  --ec-ink:#172d39;
  --ec-muted:#586d79;
  --ec-bg:#f4f7f9;
  --ec-bg-soft:#f7fafb;
  --ec-surface:#fff;
  --ec-line:#dfe7eb;
  --ec-line-strong:#bcccd4;
  --ec-primary:#087e83;
  --ec-primary-dark:#056065;
  --ec-primary-soft:#eaf6f5;
  --ec-accent:#087e83;
  --ec-accent-dark:#056065;
  --ec-accent-soft:#e1f1f1;
  --ec-danger:#a33333;
  --ec-danger-soft:#fcecec;
  --ec-radius:10px;
  --ec-shadow:0 2px 8px #172d3904;
  --ec-focus:0 0 0 3px #75c9ce;
  background:var(--ec-bg);
}
body {
  background:var(--ec-bg);
  font-size:1rem;
  line-height:1.6;
}
h1,h2,h3 {
  letter-spacing:-.025em;
  line-height:1.3;
  font-weight:650;
}
h1 {
  line-height:1.15;
}
.eyebrow {
  color:var(--ec-primary);
  font-size:.75rem;
  font-weight:650;
  letter-spacing:.09em;
}
.back-link {
  font-weight:650;
}
p {
  line-height:1.65;
}
button {
  font-weight:600;
  min-height:44px;
}
button:hover:not(:disabled) {
  transform:none;
}
button.secondary:hover:not(:disabled) {
  color:var(--ec-primary-dark);
  background:var(--ec-primary-soft);
  border-color:var(--ec-primary);
}
button.danger:hover:not(:disabled) {
  color:#fff;
  background:var(--ec-danger);
  border-color:var(--ec-danger);
}
label,label span,.stat span,.cardio-stats span,.technique-metrics span,.curve-picker span {
  font-size:.875rem;
  font-weight:550;
  text-transform:none;
  letter-spacing:0;
}
input,select,textarea {
  font-size:1rem;
  line-height:1.5;
  font-weight:400;
  background:#fff;
}
input:not([type=hidden]),select {
  min-height:44px;
}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible {
  outline:2px solid var(--ec-primary);
  outline-offset:3px;
  box-shadow:none;
}
.panel,.stat,.health-panel,.plan-editor,.schedule-panel,.plan-side section,.chat-context,.conversation,.pair-panel {
  box-shadow:var(--ec-shadow);
}
.panel,.health-panel,.plan-editor,.plan-side section {
  padding:24px;
}
.panel h2,.plan-side h2 {
  font-size:1.125rem;
  font-weight:650;
  margin-bottom:16px;
}
.stat {
  padding:20px 22px;
}
.stat strong {
  font-size:1.8rem;
  line-height:1.25;
  font-weight:650;
  letter-spacing:-.03em;
  color:var(--ec-ink);
  font-variant-numeric:tabular-nums;
}
.summary-grid {
  gap:18px;
  margin-bottom:24px;
}
.overview-layout {
  gap:24px;
  margin-bottom:24px;
  grid-template-columns:minmax(0,1.35fr) minmax(290px,.8fr);
}
.cardio-summary,.cardio-warnings,.technique-heading p,.force-curve-insight {
  font-size:.9375rem;
  line-height:1.6;
}
.cardio-heading {
  grid-template-columns:1fr;
}
.cardio-stats {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  width:100%;
}
.cardio-stats div {
  min-width:0;
  padding:10px 14px;
}
.cardio-stats strong {
  font-size:1.125rem;
  font-weight:650;
}
.technique-metrics span {
  white-space:normal;
  overflow:visible;
}
.workouts-panel {
  align-self:start;
}
.workouts-panel .workout-list {
  height:auto;
  min-height:0;
  max-height:clamp(420px,56vh,560px);
}
.workout-item {
  box-shadow:none;
}
.workout-item:hover {
  border-color:var(--ec-primary);
}
.detail-empty {
  padding:32px 20px;
  background:var(--ec-bg-soft);
  border-radius:8px;
  color:var(--ec-muted);
  text-align:center;
}
.detail-heading {
  flex-wrap:wrap;
  gap:8px;
}
.metrics-layout {
  gap:24px;
}
.metric-card p {
  max-width:75ch;
}
.metric-card pre,pre {
  max-width:100%;
  overflow-x:auto;
  font-size:.875rem;
  line-height:1.65;
}
.form-grid>* {
  min-width:0;
}
.form-actions {
  padding-top:8px;
}
.health-panel {
  gap:32px;
}
.training-badge,.training-meta {
  font-size:.875rem;
}
html.embedded .training-app,html.embedded .chat-app,html.embedded .health-app,html.embedded .plan-app {
  padding:28px 32px;
  max-width:1600px;
  margin:auto;
}
html.embedded .chat-app {
  height:100dvh;
  grid-template-rows:minmax(0,1fr);
}
.chat-shell {
  grid-template-columns:minmax(210px,260px) minmax(0,1fr);
  gap:24px;
}
.chat-context {
  max-height:100%;
  overflow-y:auto;
  padding:20px;
}
.chat-context h2 {
  font-size:1rem;
  margin:0 0 12px;
}
.chat-context details {
  margin:22px 0;
  border-top:1px solid var(--ec-line);
  border-bottom:1px solid var(--ec-line);
  padding:14px 0;
}
.chat-context summary {
  cursor:pointer;
  font-size:.875rem;
  font-weight:600;
}
.system-prompt-editor textarea {
  font-size:.875rem;
}
.context-list {
  margin:0;
}
.message {
  font-size:1rem;
  line-height:1.7;
  padding:16px 20px;
  border-radius:12px;
}
.messages {
  padding:24px;
}
.composer {
  padding:18px;
  align-items:end;
}
.composer button {
  min-height:48px;
}
.composer textarea {
  resize:none;
  max-height:180px;
}
.conversation {
  min-height:300px;
}
@media(max-width:1150px) {
  .overview-layout,.health-panel,.plan-layout {
    grid-template-columns:1fr;
  }
  .plan-app .form-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .chat-shell {
    grid-template-columns:210px minmax(0,1fr);
  }
  .workouts-panel {
    display:block;
  }
  .workouts-panel .workout-list {
    height:auto;
    max-height:420px;
  }
}
@media(max-width:780px) {
  html.embedded .training-app,html.embedded .chat-app,html.embedded .health-app,html.embedded .plan-app {
    padding:20px;
  }
  html.embedded .chat-app {
    height:100dvh;
    min-height:0;
    overflow:hidden;
  }
  .chat-shell {
    display:flex;
    flex-direction:column;
    min-height:0;
    height:100%;
    gap:16px;
    padding:0;
  }
  .chat-context {
    flex-shrink:0;
    max-height:32vh;
    padding:14px 18px;
  }
  .context-list {
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .context-list div {
    flex-wrap:wrap;
    padding:4px 0;
    border:0;
  }
  .chat-context h2 {
    display:none;
  }
  .chat-context details {
    margin:10px 0;
    padding:8px 0;
  }
  .context-actions {
    grid-template-columns:1fr 1fr;
  }
  .conversation {
    flex:1;
    min-height:180px;
  }
  .composer {
    grid-template-columns:minmax(0,1fr) auto;
    padding:12px;
    gap:8px;
  }
  .composer textarea {
    min-height:64px;
  }
  .messages {
    padding:16px;
  }
  .panel,.health-panel,.plan-editor,.plan-side section {
    padding:20px;
  }
  .summary-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:12px;
  }
  .stat {
    padding:16px;
  }
  .stat strong {
    font-size:1.5rem;
  }
  .overview-layout,.detail-grid,.metrics-layout {
    grid-template-columns:1fr;
  }
  .technique-metrics {
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:480px) {
  .plan-app .form-grid,.form-grid,.hr-grid {
    grid-template-columns:1fr;
  }
  .panel,.health-panel,.plan-editor {
    padding:16px;
  }
  .stat span {
    font-size:.8125rem;
  }
  .stat strong {
    font-size:1.3rem;
  }
  .message {
    max-width:100%;
    padding:12px 14px;
  }
  .cardio-stats {
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .cardio-stats div {
    min-width:0;
  }
  .composer button {
    padding:0 12px;
  }
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    transition:none!important;
    scroll-behavior:auto!important;
  }
}
.metric-card {
  font-size:1rem;
}
.workout-item span {
  font-size:.875rem;
}
.workout-item.selected {
  background:var(--ec-primary-soft);
}