:root {
  color-scheme: dark;
  --canvas: #05090d;
  --panel: #0b1219;
  --panel-raised: #101a24;
  --panel-soft: #0d161f;
  --line: #263340;
  --line-strong: #354656;
  --text: #f4f7fa;
  --muted: #a9b5c0;
  --quiet: #83919e;
  --blue: #2e9dff;
  --blue-soft: #102b43;
  --green: #38d67a;
  --green-soft: #102b20;
  --amber: #ff9d2e;
  --amber-soft: #33210d;
  --violet: #a875ff;
  --violet-soft: #24163d;
  --danger: #ff7777;
  --danger-soft: #35181b;
  --radius: 14px;
  --radius-control: 10px;
  --shadow: 0 20px 55px rgb(1 5 8 / 0.32);
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  min-width: 0;
  min-height: 100%;
  overflow-x: clip;
  background: var(--canvas);
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  min-height: 100svh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: clip;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

button, input, textarea { font: inherit; }
button { min-height: 44px; }
button:not(:disabled) { cursor: pointer; }
button:disabled { cursor: wait; opacity: 0.68; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

::selection { background: var(--blue); color: var(--canvas); }

.skip-link {
  position: fixed;
  z-index: 30;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 0.9rem;
  transform: translateY(-180%);
  border: 1px solid var(--blue);
  border-radius: var(--radius-control);
  background: var(--panel-raised);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  transition: transform 150ms ease;
}

.skip-link:focus { transform: translateY(0); }

.brand {
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.access-label,
.section-kicker {
  margin: 0 0 0.55rem;
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.primary-button,
.secondary-button,
.text-button {
  border-radius: var(--radius-control);
  font-weight: 750;
  transition:
    border-color 150ms ease,
    background-color 150ms ease,
    color 150ms ease,
    transform 100ms ease;
}

.primary-button:active,
.secondary-button:active,
.text-button:active { transform: translateY(1px); }

.primary-button {
  width: 100%;
  padding: 0.8rem 1.1rem;
  border: 1px solid #62b5ff;
  background: var(--blue);
  color: #04111c;
}

.primary-button:hover:not(:disabled) { background: #63b8ff; }

.secondary-button {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line-strong);
  background: var(--panel-raised);
  color: var(--text);
}

.secondary-button:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.text-button {
  min-width: 4.25rem;
  padding: 0.55rem 0.7rem;
  border: 0;
  border-left: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: #75c0ff;
}

.text-button:hover:not(:disabled) { background: var(--blue-soft); color: var(--text); }

.login-page {
  background:
    linear-gradient(90deg, transparent 0 49.95%, rgb(46 157 255 / 0.07) 50%, transparent 50.05%),
    var(--canvas);
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
  width: min(72rem, calc(100% - 3rem));
  min-height: 100svh;
  min-height: 100dvh;
  margin: 0 auto;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  padding: max(2rem, env(safe-area-inset-top)) max(0rem, env(safe-area-inset-right))
    max(2rem, env(safe-area-inset-bottom)) max(0rem, env(safe-area-inset-left));
}

.login-intro {
  display: flex;
  min-height: min(38rem, calc(100dvh - 4rem));
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
}

.login-heading { max-width: 38rem; }

.login-heading h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  font-weight: 720;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.login-heading > p:last-child {
  max-width: 32ch;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

.privacy-note { margin: 0; color: var(--quiet); font-size: 0.85rem; }

.login-panel {
  display: grid;
  gap: 2.2rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.login-panel h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.035em;
}

.login-panel form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.55rem; }
.field label { color: var(--text); font-size: 0.9rem; font-weight: 700; }

.password-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: #071019;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.password-control:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}

.password-control input {
  width: 100%;
  min-width: 0;
  min-height: 50px;
  padding: 0.8rem 0.9rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.field-hint, .form-status { margin: 0; color: var(--muted); font-size: 0.8rem; }
.form-status { min-height: 1.3rem; color: #ffaaaa; }

.dashboard-page { padding-bottom: env(safe-area-inset-bottom); }

.app-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem max(1rem, env(safe-area-inset-right)) 0.65rem
    max(1rem, env(safe-area-inset-left));
  border-bottom: 1px solid var(--line);
  background: rgb(5 9 13 / 0.96);
}

.app-identity { display: flex; min-width: 0; align-items: center; gap: 0.85rem; }

.app-name {
  overflow: hidden;
  padding-left: 0.85rem;
  border-left: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.84rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dashboard-shell {
  display: grid;
  width: min(112rem, calc(100% - 2rem));
  margin: 0 auto;
  gap: 1rem;
  padding: 1rem 0 2rem;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.journey-panel, .plan-panel { padding: clamp(1rem, 2vw, 1.4rem); }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.1rem;
}

.section-heading h1, .section-heading h2 {
  margin: 0;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.section-heading h1 { font-size: clamp(1.55rem, 2.2vw, 2.15rem); }
.section-heading h2, .metric-heading h2 { font-size: 1.18rem; }

.section-state {
  max-width: 28rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: right;
}

.progression-scroller {
  overflow-x: auto;
  scrollbar-color: var(--line-strong) transparent;
}

.progression-rail {
  position: relative;
  display: grid;
  min-width: 40rem;
  grid-template-columns: repeat(4, minmax(10rem, 1fr));
}

.progression-rail::before {
  position: absolute;
  top: 1.55rem;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--line-strong);
  content: "";
}

.phase {
  position: relative;
  display: grid;
  min-width: 10rem;
  gap: 0.18rem;
  padding: 2.45rem 0.85rem 0.35rem;
  text-align: center;
}

.phase::before {
  position: absolute;
  z-index: 1;
  top: 1.22rem;
  left: 50%;
  width: 0.66rem;
  height: 0.66rem;
  transform: translateX(-50%);
  border: 2px solid var(--panel);
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
  content: "";
}

.phase[data-phase="2"]::before { background: var(--green); box-shadow: 0 0 0 1px var(--green); }
.phase[data-phase="3"]::before { background: var(--amber); box-shadow: 0 0 0 1px var(--amber); }
.phase[data-phase="4"]::before { background: var(--violet); box-shadow: 0 0 0 1px var(--violet); }

.phase-number {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.phase strong { font-size: 0.92rem; }
.phase > span:last-child { color: var(--quiet); font-size: 0.77rem; }

.week-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(9.5rem, 1fr));
  gap: 0.75rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0.1rem 0.1rem 0.45rem;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--line-strong) transparent;
}

.day-card, .loading-card {
  min-height: 9rem;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--panel-soft);
}

.day-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.9rem;
}

.day-name {
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.day-card strong { flex: 1; font-size: 0.92rem; line-height: 1.32; }

.day-state {
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.74rem;
}

.loading-card {
  display: grid;
  place-items: center;
  padding: 0.9rem;
  color: var(--quiet);
  font-size: 0.78rem;
  text-align: center;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 0.9fr;
  gap: 1rem;
}

.metric-panel { min-height: 13rem; padding: 1.15rem; }

.metric-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.metric-heading h2 { margin: 0; letter-spacing: -0.02em; }

.semantic-label {
  display: inline-flex;
  min-height: 1.75rem;
  align-items: center;
  padding: 0.28rem 0.55rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 750;
  white-space: nowrap;
}

.blue-label { background: var(--blue-soft); color: #78c2ff; }
.green-label { background: var(--green-soft); color: #75e7a2; }
.violet-label { background: var(--violet-soft); color: #c5a4ff; }

.empty-state {
  max-width: 34ch;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.nutrition-row {
  display: grid;
  grid-template-columns: 12rem minmax(8rem, 1fr);
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.75rem;
}

.nutrition-row > span {
  min-width: 0;
  overflow-wrap: normal;
  white-space: nowrap;
}

.nutrition-row progress {
  width: 100%;
  min-width: 0;
  height: 0.65rem;
}

.app-dialog {
  width: min(52rem, calc(100% - 2rem));
  max-height: min(90dvh, 54rem);
  overflow: auto;
  padding: 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel-raised);
  color: var(--text);
  box-shadow: var(--shadow);
}

.app-dialog::backdrop { background: rgb(1 5 8 / 0.82); }
.dialog-heading h2 { margin: 0; }
.dialog-heading p { margin: 0.55rem 0 1.5rem; color: var(--muted); }
.app-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem; }
.panel-action { width: 100%; margin-top: 1rem; }

.dialog-form { display: grid; gap: 1rem; }
.dialog-form label { display: grid; gap: 0.4rem; color: var(--muted); font-size: 0.86rem; }
.dialog-form input:not([type="checkbox"]), .dialog-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: #071019;
  color: var(--text);
}
.dialog-form textarea { min-height: 7rem; resize: vertical; }
.check-field { display: flex !important; min-height: 44px; grid-template-columns: auto 1fr; align-items: center; }
.check-field input { width: 1.25rem; height: 1.25rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; }
.dialog-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.65rem; }
.dialog-actions .primary-button { width: auto; }
.danger-button {
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--danger);
  border-radius: var(--radius-control);
  background: var(--danger-soft);
  color: #ffb0b0;
}
.field-error { min-height: 1.3rem; margin: 0; color: #ffb0b0; }
.conflict-box { padding: 0.85rem; border: 1px solid var(--amber); border-radius: var(--radius-control); background: var(--amber-soft); }
.entry-list, .exercise-list { display: grid; gap: 0.65rem; margin-top: 0.9rem; }
.entry-row, .exercise-row { min-width: 0; padding: 0.75rem 0; border-bottom: 1px solid var(--line); }

.day-safety {
  padding: 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--blue-soft);
}

.day-safety h3,
.guide-section h4 {
  margin: 0;
}

.day-notes,
.exercise-guide-body {
  display: grid;
  gap: 0.8rem;
}

.exercise-guide {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--panel-soft);
}

.exercise-guide > summary {
  min-height: 44px;
  padding: 0.8rem;
  cursor: pointer;
}

.exercise-guide-identity {
  display: grid;
  min-width: 0;
  gap: 0.2rem;
}

.exercise-phase {
  color: var(--blue);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.exercise-target {
  color: var(--muted);
  font-size: 0.8rem;
}

.exercise-guide-body {
  padding: 0 0.9rem 0.9rem;
}

.guide-section ol,
.guide-section ul {
  margin: 0.45rem 0 0;
  padding-left: 1.35rem;
}

.exercise-substitution {
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--amber);
  border-radius: var(--radius-control);
  background: var(--amber-soft);
}

.exercise-source {
  min-width: 0;
  overflow-wrap: anywhere;
}

.exercise-actuals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.entry-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.45rem 0.75rem;
  align-items: center;
}
.entry-row strong { grid-column: 1 / -1; min-width: 0; overflow-wrap: anywhere; }
.progress-track { height: 0.35rem; overflow: hidden; border-radius: 999px; background: var(--line); }
.progress-fill { height: 100%; background: var(--green); }
.token-value { overflow-wrap: anywhere; padding: 1rem; border: 1px solid var(--line-strong); border-radius: var(--radius-control); background: #071019; font-family: ui-monospace, monospace; }

.sr-status {
  position: fixed;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 1120px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .metric-panel { min-height: 10rem; }
}

@media (max-width: 760px) {
  .login-page { background: var(--canvas); }

  .login-shell {
    grid-template-columns: 1fr;
    width: min(34rem, calc(100% - 2rem));
    gap: 1.5rem;
    align-content: center;
  }

  .login-intro { min-height: 0; gap: 2.5rem; padding: 0; }
  .login-heading h1 { max-width: 14ch; font-size: clamp(2.55rem, 12vw, 4rem); }
  .privacy-note { display: none; }
  .section-heading { align-items: start; flex-direction: column; gap: 0.5rem; }
  .section-state { text-align: left; }
  .app-header { align-items: flex-start; }
  .app-actions { max-width: 17rem; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .login-shell {
    width: min(100% - 1.25rem, 34rem);
    padding-top: max(1rem, env(safe-area-inset-top));
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
  }

  .login-panel { gap: 1.5rem; padding: 1.1rem; }
  .app-header { min-height: 60px; }
  .app-name { display: none; }
  .app-actions { overflow-x: auto; flex-wrap: nowrap; max-width: calc(100% - 7rem); }
  .app-actions .secondary-button { flex: 0 0 auto; }

  .dashboard-shell {
    width: calc(100% - 1rem);
    padding-top: 0.5rem;
  }

  .journey-panel, .plan-panel, .metric-panel { padding: 0.9rem; }
  .progression-scroller { margin-right: -0.9rem; }

  .week-days {
    margin-right: -0.9rem;
    grid-template-columns: repeat(7, minmax(8.6rem, 44vw));
  }

  .entry-row { grid-template-columns: minmax(0, 1fr); }
  .entry-row .secondary-button { width: 100%; }

  .nutrition-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .panel, .day-card, .loading-card, .login-panel, .password-control {
    border-color: CanvasText;
  }

  .phase::before {
    border: 2px solid Canvas;
    background: Highlight;
    box-shadow: none;
  }

  .semantic-label { background: Canvas; color: CanvasText; }
}