:root {
  color-scheme: dark;
  --bg: #101820;
  --panel: #17212b;
  --panel-2: #1d2a35;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f6f8fb;
  --muted: #9fb0bf;
  --accent: #38d996;
  --accent-2: #6aa8ff;
  --danger: #ff6b6b;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

html {
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(56, 217, 150, 0.14), transparent 28rem),
    linear-gradient(135deg, #101820 0%, #15212b 48%, #11161d 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.66;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 11px 12px;
  outline: none;
}

textarea {
  resize: vertical;
}

select option {
  background: #15212b;
  color: var(--text);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-brand {
  position: fixed;
  top: 24px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.login-brand img,
.brand img {
  width: 42px;
  height: 42px;
}

.login-brand strong,
.brand span {
  display: block;
  font-size: 1rem;
  color: var(--text);
}

.login-brand span {
  color: var(--muted);
  font-size: 0.8rem;
}

.login-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 33, 43, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-panel h1 {
  margin: 0 0 4px;
  font-size: 2rem;
}

.login-panel button,
.stack-form button,
.complete-btn {
  min-height: 44px;
  border-radius: 8px;
  background: var(--accent);
  color: #07130e;
  font-weight: 900;
}

.form-error {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
  font-weight: 700;
}

.app-shell {
  min-height: 100vh;
  padding-left: 268px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 34px);
  border-bottom: 1px solid var(--line);
  background: rgba(16, 24, 32, 0.9);
  backdrop-filter: blur(16px);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  font-weight: 900;
}

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

.signed-in {
  color: var(--muted);
  font-size: 0.9rem;
}

.side-menu {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: 268px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 14px;
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background: rgba(13, 20, 27, 0.96);
  box-shadow: 18px 0 45px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 6px;
}

.side-brand img {
  width: 38px;
  height: 38px;
}

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

.side-brand strong {
  font-size: 1.05rem;
  line-height: 1.05;
}

.side-brand span {
  margin-top: 1px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.15;
}

.section-tabs {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 0;
}

.section-tab {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-weight: 900;
  padding: 10px 12px;
  text-align: left;
}

.section-tab.active {
  background: var(--accent-2);
  border-color: transparent;
  color: #07111f;
}

.section-tab span {
  display: block;
}

.logout-tab {
  color: #ffd5d5;
  border-color: rgba(255, 107, 107, 0.36);
}

.preset-menu {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.preset-menu-head {
  display: grid;
  gap: 3px;
  padding: 0 4px;
}

.preset-menu-head strong,
.preset-menu-head span {
  display: block;
}

.preset-menu-head strong {
  font-size: 0.82rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0;
}

.preset-menu-head span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.25;
}

.preset-routine-menu {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 8px;
  overflow-y: auto;
  padding-right: 2px;
}

.preset-routine-btn {
  width: 100%;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  padding: 10px;
  text-align: left;
}

.preset-routine-btn.active {
  border-color: rgba(56, 217, 150, 0.52);
  background: rgba(56, 217, 150, 0.1);
}

.preset-routine-btn strong,
.preset-routine-btn span {
  display: block;
}

.preset-routine-btn strong {
  font-size: 0.86rem;
  line-height: 1.15;
}

.preset-routine-btn span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.25;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgba(0, 0, 0, 0.54);
}

.ghost-btn,
.mini-btn,
.danger-btn {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 800;
  padding: 8px 12px;
}

.danger-btn {
  color: #ffd5d5;
  border-color: rgba(255, 107, 107, 0.36);
}

.day-tabs {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  padding: 16px clamp(16px, 4vw, 34px) 0;
}

.day-tab {
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-weight: 900;
}

.day-tab span {
  display: block;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  margin-top: 2px;
}

.day-tab.active {
  background: var(--accent);
  border-color: transparent;
  color: #07130e;
}

.day-tab.today:not(.active) {
  border-color: rgba(56, 217, 150, 0.45);
  color: var(--text);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: 18px clamp(16px, 4vw, 34px) 34px;
  align-items: start;
}

.content-stack {
  display: grid;
  gap: 16px;
}

.data-credit {
  padding: 0 clamp(16px, 4vw, 34px) 28px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-align: center;
}

.data-credit a {
  color: var(--accent-2);
}

.trainer-mode .main-grid {
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
}

.trainer-dashboard-active .main-grid {
  grid-template-columns: minmax(0, 1fr);
}

.trainer-dashboard-active .trainer-panel {
  width: 100%;
}

.trainer-dashboard {
  display: grid;
  gap: 16px;
}

.trainer-hero,
.dashboard-panel,
.trainer-workbench-head {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 33, 43, 0.82);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.18);
}

.trainer-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, auto);
  align-items: center;
  gap: 18px;
  padding: clamp(18px, 3vw, 26px);
}

.trainer-hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.08;
}

.trainer-hero p:last-child {
  margin: 9px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.trainer-date-card {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 6px;
  border: 1px solid rgba(106, 168, 255, 0.36);
  border-radius: 8px;
  background: rgba(106, 168, 255, 0.1);
  padding: 14px;
  text-align: right;
}

.trainer-date-card span,
.trainer-date-card strong {
  display: block;
}

.trainer-date-card span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.trainer-date-card strong {
  font-size: 1rem;
}

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

.trainer-dashboard-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 16px;
  align-items: start;
}

.dashboard-panel {
  padding: 16px;
}

.trainer-client-list {
  display: grid;
  gap: 9px;
}

.trainer-client-card {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 12px;
  text-align: left;
}

.trainer-client-card.active {
  border-color: rgba(56, 217, 150, 0.6);
  background: rgba(56, 217, 150, 0.1);
}

.trainer-client-card strong,
.trainer-client-card small,
.client-progress b {
  display: block;
}

.trainer-client-card small,
.client-progress small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.25;
}

.client-progress {
  min-width: 78px;
  text-align: right;
}

.client-progress b {
  font-size: 1rem;
}

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

.trainer-selected-stats > div {
  min-height: 76px;
  display: grid;
  align-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 12px;
}

.trainer-selected-stats strong {
  font-size: 1.25rem;
  line-height: 1;
}

.trainer-selected-stats span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.trainer-week-overview {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.week-day-chip {
  min-height: 86px;
  display: grid;
  align-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px;
  text-align: left;
}

.week-day-chip.active {
  border-color: rgba(106, 168, 255, 0.7);
  background: rgba(106, 168, 255, 0.13);
}

.week-day-chip strong,
.week-day-chip span,
.week-day-chip small {
  display: block;
}

.week-day-chip span,
.week-day-chip small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.trainer-quick-actions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.trainer-quick-actions button,
.trainer-tool-tabs button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 900;
  padding: 8px 10px;
}

.trainer-quick-actions button:first-child,
.trainer-tool-tabs button.active {
  border-color: transparent;
  background: var(--accent);
  color: #07130e;
}

.trainer-workbench-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
}

.trainer-workbench-head h2 {
  margin: 0;
  font-size: 1.35rem;
}

.trainer-workbench-head span {
  color: var(--muted);
  font-weight: 900;
}

.trainer-tool-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.workout-panel,
.tool-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 33, 43, 0.82);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.18);
}

.workout-panel {
  padding: clamp(16px, 3vw, 24px);
}

.section-head,
.tool-head,
.assignment-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.section-head {
  margin-bottom: 14px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.section-head h1 {
  margin: 0;
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  line-height: 1.05;
}

.progress-ring {
  width: 82px;
  aspect-ratio: 1;
  border: 1px solid rgba(56, 217, 150, 0.28);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(56, 217, 150, 0.08);
}

.progress-ring strong,
.progress-ring span {
  display: block;
  text-align: center;
}

.progress-ring strong {
  font-size: 1.1rem;
}

.progress-ring span {
  color: var(--muted);
  font-size: 0.72rem;
}

.toolbar {
  margin: 12px 0 18px;
  max-width: 360px;
}

.workout-launcher {
  margin: 12px 0 16px;
}

.launcher-card {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid rgba(56, 217, 150, 0.28);
  border-radius: 8px;
  background: rgba(56, 217, 150, 0.08);
  padding: 14px;
}

.launcher-card.active {
  border-color: rgba(106, 168, 255, 0.48);
  background: rgba(106, 168, 255, 0.11);
}

.launcher-card.preset {
  border-color: rgba(56, 217, 150, 0.42);
  background: rgba(56, 217, 150, 0.09);
}

.launcher-card strong,
.launcher-card span {
  display: block;
}

.launcher-card strong {
  font-size: 1rem;
}

.launcher-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  line-height: 1.35;
}

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

.start-workout-btn {
  min-height: 44px;
  border-radius: 8px;
  background: var(--accent);
  color: #07130e;
  font-weight: 950;
  padding: 10px 14px;
}

.guided-workout {
  display: block;
  margin-bottom: 16px;
}

.guided-card {
  display: grid;
  gap: 14px;
  border: 1px solid rgba(106, 168, 255, 0.36);
  border-radius: 8px;
  background: rgba(106, 168, 255, 0.08);
  padding: clamp(14px, 3vw, 18px);
}

.guided-card.complete {
  border-color: rgba(56, 217, 150, 0.45);
  background: rgba(56, 217, 150, 0.1);
}

.guided-card h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.12;
}

.guided-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.guided-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.guided-head span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.guided-progress {
  overflow: hidden;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.guided-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.guided-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 34%);
  gap: 16px;
  align-items: start;
}

.guided-copy {
  min-width: 0;
}

.guided-set-badge,
.rest-clock {
  min-width: 96px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  padding: 10px;
  text-align: center;
}

.guided-set-badge strong,
.rest-clock strong {
  font-size: 1.35rem;
  line-height: 1;
}

.guided-set-badge span,
.rest-clock span {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.rest-clock strong {
  font-variant-numeric: tabular-nums;
}

.guided-edit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.guided-notes {
  grid-column: 1 / -1;
}

.month-controls {
  display: grid;
  grid-template-columns: auto minmax(150px, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: min(430px, 100%);
}

.month-controls input {
  min-height: 38px;
  padding: 8px 10px;
}

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

.stat-card {
  min-height: 78px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.stat-card strong {
  font-size: 1.35rem;
  line-height: 1;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.routine-list {
  display: grid;
  gap: 14px;
}

.empty-state {
  min-height: 220px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
}

.empty-state.compact {
  min-height: 96px;
}

.preset-routine-menu .empty-state.compact {
  min-height: 72px;
  padding: 10px;
  font-size: 0.78rem;
}

.assignment-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 36%);
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.assignment-card.completed {
  border-color: rgba(56, 217, 150, 0.55);
  background: rgba(56, 217, 150, 0.08);
}

.assignment-card.preset {
  border-color: rgba(106, 168, 255, 0.28);
}

.assignment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.assignment-title h2 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.18;
}

.assignment-title p,
.instructions {
  color: var(--muted);
}

.assignment-title p {
  margin: 6px 0 0;
}

.instructions {
  margin: 10px 0 0;
  line-height: 1.55;
}

.video-box {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0c1218;
  aspect-ratio: 16 / 9;
}

.media-stack {
  display: grid;
  gap: 10px;
  align-content: start;
}

.media-box {
  background: #eef3f7;
}

.video-box iframe,
.video-box img,
.video-box video {
  width: 100%;
  height: 100%;
}

.video-box iframe {
  border: 0;
}

.video-box img,
.video-box video {
  display: block;
  object-fit: contain;
}

.media-link {
  color: var(--text);
  font-weight: 900;
}

.play-video-btn {
  min-height: 40px;
  border: 1px solid rgba(106, 168, 255, 0.42);
  border-radius: 8px;
  background: rgba(106, 168, 255, 0.12);
  color: var(--text);
  font-weight: 900;
}

.progress-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.progress-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.complete-btn.done {
  background: #243747;
  color: var(--text);
  border: 1px solid var(--line);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.calendar-head {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.calendar-pad {
  min-height: 72px;
}

.calendar-day {
  min-height: 76px;
  display: grid;
  align-content: space-between;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 9px;
  text-align: left;
}

.calendar-day strong,
.calendar-day span {
  display: block;
}

.calendar-day strong {
  font-size: 1rem;
}

.calendar-day span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.calendar-day.complete {
  border-color: rgba(56, 217, 150, 0.58);
  background: rgba(56, 217, 150, 0.12);
}

.calendar-day.partial {
  border-color: rgba(106, 168, 255, 0.58);
  background: rgba(106, 168, 255, 0.12);
}

.calendar-day.scheduled {
  border-color: rgba(255, 255, 255, 0.18);
}

.calendar-day.selected {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.calendar-day.today strong {
  color: var(--accent);
}

.calendar-day.future {
  opacity: 0.62;
}

.calendar-routine {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-session {
  display: grid;
  gap: 10px;
}

.history-session + .history-session {
  margin-top: 16px;
}

.history-session-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-session-head h3 {
  margin: 0;
}

.history-detail,
.meal-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.history-item,
.meal-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
}

.history-item.done,
.meal-card.done {
  border-color: rgba(56, 217, 150, 0.48);
}

.history-item h3,
.meal-card h3 {
  margin: 0;
  font-size: 1rem;
}

.history-item p,
.meal-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

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

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

.meal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.trainer-panel {
  display: grid;
  gap: 14px;
}

.tool-card {
  padding: 16px;
}

.tool-head {
  margin-bottom: 12px;
}

.tool-head h2 {
  margin: 0;
  font-size: 1.06rem;
}

.tool-head span {
  color: var(--muted);
  font-weight: 800;
}

.stack-form {
  display: grid;
  gap: 11px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.library-filters {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.exercise-library {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
  margin-top: 14px;
  padding-right: 4px;
}

.library-item {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.library-thumb {
  overflow: hidden;
  width: 82px;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef3f7;
}

.library-thumb img,
.library-thumb video,
.library-thumb iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: contain;
}

.library-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.library-item strong {
  font-size: 0.9rem;
}

.library-item span {
  color: var(--muted);
  font-size: 0.78rem;
}

.library-note {
  padding: 10px 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #20303d;
  color: var(--text);
  box-shadow: var(--shadow);
  font-weight: 800;
}

@media (max-width: 1040px) {
  .main-grid {
    grid-template-columns: 1fr;
  }

  .guided-main {
    grid-template-columns: 1fr;
  }

  .trainer-dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .app-shell {
    padding-left: 0;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .topbar {
    padding: 12px 14px;
  }

  .side-menu {
    transform: translateX(-105%);
    transition: transform 180ms ease;
  }

  .nav-open .side-menu {
    transform: translateX(0);
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: center;
    flex-direction: row;
  }

  .top-actions {
    width: auto;
    justify-content: flex-end;
    min-width: 0;
  }

  .signed-in {
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

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

  .section-tabs {
    padding-top: 0;
  }

  .month-controls,
  .stat-grid,
  .trainer-kpis,
  .trainer-selected-stats,
  .trainer-week-overview,
  .trainer-quick-actions,
  .trainer-tool-tabs {
    grid-template-columns: 1fr;
  }

  .trainer-hero,
  .trainer-client-card {
    grid-template-columns: 1fr;
  }

  .trainer-date-card,
  .client-progress {
    text-align: left;
  }

  .calendar-grid {
    gap: 6px;
  }

  .calendar-day {
    min-height: 64px;
    padding: 7px;
  }

  .meal-head,
  .meal-actions,
  .launcher-card,
  .guided-head {
    display: grid;
    justify-content: stretch;
  }

  .assignment-card,
  .trainer-panel,
  .form-row,
  .progress-fields,
  .guided-edit-grid {
    grid-template-columns: 1fr;
  }

  .launcher-actions,
  .guided-actions {
    justify-content: stretch;
  }

  .launcher-actions button,
  .guided-actions button,
  .start-workout-btn {
    width: 100%;
  }

  .section-head {
    align-items: flex-start;
  }

  .login-brand {
    position: static;
    margin-bottom: 18px;
  }

  .login-shell {
    align-content: center;
    justify-items: stretch;
  }

  .library-item {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .library-thumb {
    width: 70px;
  }

  .assign-library {
    grid-column: 1 / -1;
  }
}