:root {
  color-scheme: light;
  --bg: #f7f1e7;
  --bg-strong: #efe3d4;
  --panel: rgba(255, 249, 241, 0.88);
  --panel-strong: rgba(255, 246, 236, 0.96);
  --line: rgba(80, 46, 28, 0.12);
  --line-strong: rgba(80, 46, 28, 0.24);
  --text: #26140d;
  --muted: #6d5447;
  --accent: #df5e31;
  --accent-strong: #ab3715;
  --accent-soft: rgba(223, 94, 49, 0.14);
  --success: #2f8a57;
  --shadow: 0 18px 40px rgba(88, 46, 22, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(243, 152, 84, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(208, 102, 72, 0.14), transparent 32%),
    linear-gradient(180deg, #fbf5ec 0%, #f4eadc 48%, #efe3d4 100%);
  color: var(--text);
  font-family: var(--sans);
}

body {
  position: relative;
  overflow-x: hidden;
}

[hidden] {
  display: none !important;
}

button,
input {
  font: inherit;
}

.ambient-glow {
  position: fixed;
  inset: auto;
  width: 32rem;
  height: 32rem;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
}

.ambient-glow-left {
  top: -10rem;
  left: -10rem;
  background: rgba(255, 153, 92, 0.44);
}

.ambient-glow-right {
  right: -8rem;
  bottom: -10rem;
  background: rgba(208, 102, 72, 0.34);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.auth-gate {
  position: relative;
  z-index: 1;
  width: min(640px, calc(100vw - 1.5rem));
  margin: 0 auto;
  padding: 4rem 0 3rem;
}

.auth-card {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.64), rgba(255, 249, 241, 0.9)),
    rgba(255, 247, 236, 0.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.auth-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.auth-note {
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.auth-note[data-tone="error"] {
  color: var(--accent-strong);
}

.auth-note[data-tone="success"] {
  color: var(--success);
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.8fr);
  gap: 1.5rem;
  padding: 1.8rem;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.6), rgba(255, 249, 241, 0.82)),
    rgba(255, 247, 236, 0.65);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.eyebrow,
.panel-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.masthead h1,
.panel-header h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.masthead h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 0.94;
}

.lede {
  max-width: 50rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.masthead-tools {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-width: 0;
}

.session-card {
  display: grid;
  gap: 0.45rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 251, 246, 0.84);
}

.session-label {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.session-email {
  font-size: 1.05rem;
  font-weight: 650;
}

.session-meta {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.session-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 0.2rem;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.summary-item {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 252, 247, 0.86);
}

.summary-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.summary-value {
  display: block;
  font-size: 1.45rem;
  font-weight: 650;
}

.day-switcher {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.35rem;
}

.connectivity-bar {
  margin-top: 0.9rem;
}

.connectivity-pill {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 251, 246, 0.84);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.connectivity-pill.is-online {
  border-color: rgba(47, 138, 87, 0.22);
}

.connectivity-pill.is-syncing {
  border-color: rgba(223, 94, 49, 0.24);
  background: rgba(255, 244, 236, 0.92);
}

.connectivity-pill.is-offline {
  border-color: rgba(171, 55, 21, 0.28);
  background: rgba(255, 240, 233, 0.94);
}

.connectivity-title {
  font-size: 0.98rem;
  font-weight: 650;
}

.connectivity-detail {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.connectivity-meta {
  color: var(--accent-strong);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.day-tab {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 250, 244, 0.82);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.day-tab:hover,
.day-tab:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent);
  outline: none;
}

.day-tab.active {
  background: linear-gradient(180deg, rgba(223, 94, 49, 0.12), rgba(223, 94, 49, 0.03));
  border-color: rgba(223, 94, 49, 0.45);
}

.day-tab-title {
  display: block;
  font-size: 1rem;
  font-weight: 650;
}

.day-tab-meta {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.workspace {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr) 300px;
  gap: 1rem;
  margin-top: 1rem;
}

.panel {
  min-width: 0;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.panel-header h2 {
  font-size: clamp(1.6rem, 2vw, 2.35rem);
  line-height: 0.96;
}

.panel-caption {
  margin: 0;
  max-width: 16rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: right;
}

.panel-plan,
.panel-history {
  align-self: start;
  position: sticky;
  top: 1rem;
}

.main-column {
  display: grid;
  gap: 1rem;
}

.exercise-list,
.history-list,
.record-list {
  display: grid;
  gap: 0.85rem;
}

.exercise-button,
.history-item,
.record-pill,
.quick-fill-button {
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.84);
  color: inherit;
}

.exercise-button {
  display: grid;
  gap: 0.65rem;
  width: 100%;
  padding: 1rem;
  border-radius: 22px;
  text-align: left;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.exercise-button:hover,
.exercise-button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent);
  outline: none;
}

.exercise-button.active {
  border-color: rgba(223, 94, 49, 0.45);
  background: linear-gradient(180deg, rgba(223, 94, 49, 0.14), rgba(255, 252, 247, 0.86));
}

.exercise-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
}

.exercise-name {
  font-size: 1.02rem;
  font-weight: 650;
}

.exercise-muscle {
  color: var(--muted);
  font-size: 0.86rem;
}

.exercise-progress {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.88rem;
}

.progress-rail {
  width: 100%;
  height: 0.45rem;
  border-radius: 999px;
  background: rgba(68, 36, 24, 0.08);
  overflow: hidden;
}

.progress-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #f29a68);
}

.focus-grid {
  display: grid;
  gap: 1rem;
}

.focus-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.overview-item {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 250, 244, 0.86);
  border: 1px solid var(--line);
}

.overview-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.overview-value {
  display: block;
  font-size: 1.15rem;
  font-weight: 650;
}

.log-form {
  display: grid;
  gap: 1rem;
}

.form-row,
.form-actions,
.timer-layout {
  display: flex;
  gap: 0.85rem;
}

.form-row {
  flex-wrap: wrap;
}

.field {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
  flex: 1 1 0;
}

.field-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.field-input {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: rgba(255, 252, 247, 0.94);
  color: var(--text);
}

input[type="date"].field-input {
  inline-size: 100%;
  max-inline-size: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.field-input:focus-visible {
  outline: 2px solid rgba(223, 94, 49, 0.28);
  border-color: rgba(223, 94, 49, 0.42);
}

.quick-fill {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.quick-fill-button {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
}

.button {
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition:
    transform 160ms ease,
    opacity 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover,
.button:focus-visible,
.quick-fill-button:hover,
.quick-fill-button:focus-visible,
.record-pill:hover,
.record-pill:focus-visible,
.history-item:hover,
.history-item:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.button-primary {
  border: 1px solid var(--accent-strong);
  background: linear-gradient(180deg, #ef7a48, #d45124);
  color: #fff9f1;
}

.button-secondary {
  border: 1px solid rgba(223, 94, 49, 0.32);
  background: rgba(223, 94, 49, 0.08);
  color: var(--accent-strong);
}

.button-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.76);
  color: var(--text);
}

.timer-layout {
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.timer-display-wrap {
  min-width: 280px;
}

.timer-display {
  font-family: var(--serif);
  font-size: clamp(4rem, 8vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.timer-state {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.timer-controls {
  display: grid;
  gap: 0.9rem;
  min-width: min(100%, 360px);
}

.record-group {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.84);
}

.record-group-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
}

.record-group-title {
  font-weight: 650;
}

.record-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.record-pill {
  padding: 0.65rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
}

.record-pill.active {
  border-color: rgba(223, 94, 49, 0.46);
  background: rgba(223, 94, 49, 0.1);
}

.history-item {
  display: grid;
  gap: 0.4rem;
  width: 100%;
  padding: 1rem;
  border-radius: 22px;
  text-align: left;
  cursor: pointer;
}

.history-item.active {
  border-color: rgba(223, 94, 49, 0.46);
  background: rgba(223, 94, 49, 0.08);
}

.history-title {
  font-weight: 650;
}

.history-meta,
.history-caption {
  color: var(--muted);
  font-size: 0.88rem;
}

.empty-state {
  padding: 1.1rem;
  border-radius: 22px;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 310px minmax(0, 1fr);
  }

  .panel-history {
    position: static;
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .shell {
    width: min(100vw - 1rem, 100%);
    padding: 0.5rem 0 2rem;
  }

  .masthead,
  .workspace,
  .day-switcher {
    grid-template-columns: 1fr;
  }

  .panel-plan {
    position: static;
  }

  .focus-overview {
    grid-template-columns: 1fr;
  }

  .summary-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .auth-gate {
    width: calc(100vw - 0.75rem);
    padding: 1rem 0 2rem;
  }

  .auth-card {
    padding: 1.2rem;
    border-radius: 22px;
  }

  .shell {
    width: calc(100vw - 0.75rem);
  }

  .masthead,
  .panel {
    padding: 1rem;
    border-radius: 22px;
  }

  .summary-strip,
  .form-actions {
    grid-template-columns: 1fr;
  }

  .summary-strip,
  .form-actions,
  .timer-layout {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .timer-display-wrap {
    min-width: 0;
  }

  .masthead-tools > .field,
  .masthead-tools > .field .field-input {
    width: 100%;
    max-width: 100%;
  }

  .connectivity-pill {
    display: grid;
  }

  .connectivity-meta {
    white-space: normal;
  }
}