:root {
  --bg: #f6f3ee;
  --surface: #fffaf2;
  --surface-strong: #ffffff;
  --ink: #20211f;
  --muted: #6b6f68;
  --line: #ded7cc;
  --green: #26735d;
  --green-dark: #185445;
  --coral: #c9583f;
  --gold: #b8871f;
  --mist: #e7f0ea;
  --shadow: 0 12px 30px rgba(40, 35, 26, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0)),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 68px;
  padding: 12px clamp(16px, 4vw, 42px);
  border-bottom: 1px solid rgba(222, 215, 204, 0.8);
  background: rgba(246, 243, 238, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  font-size: 0.8rem;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  display: none;
}

.main-nav a,
.ghost-button {
  min-height: 38px;
  padding: 9px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.main-nav a:hover,
.ghost-button:hover {
  color: var(--ink);
  background: rgba(38, 115, 93, 0.09);
}

.logout-form {
  margin: 0;
}

.page {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(18px, 4vw, 44px);
}

.stack {
  display: grid;
  gap: 18px;
}

.hero-panel,
.panel,
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 242, 0.88);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(22px, 4vw, 42px);
  padding: clamp(24px, 5vw, 56px);
}

.hero-copy {
  align-content: center;
}

.hero-copy h1,
.page-header h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy p,
.page-header p,
.muted {
  color: var(--muted);
}

.hero-copy p {
  max-width: 58ch;
  font-size: 1.08rem;
  line-height: 1.6;
}

.hero-metrics {
  display: grid;
  align-content: center;
  gap: 12px;
}

.metric-strip {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.metric-strip strong {
  display: block;
  font-size: 1.45rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.button,
button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--green);
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  cursor: pointer;
  font-weight: 800;
}

.button:hover,
button.button:hover {
  background: var(--green-dark);
}

.button.secondary {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface-strong);
}

.button.warning {
  border-color: var(--coral);
  background: var(--coral);
}

.button.small {
  min-height: 36px;
  padding: 8px 12px;
  font-size: 0.92rem;
}

.button.danger {
  border-color: #c0392b;
  background: #c0392b;
  color: #fff;
}

.button.danger:hover,
.button.danger:focus {
  background: #a5281b;
  border-color: #a5281b;
}

.list-row-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.list-row-wrapper .list-row {
  margin: 0;
}

.confirm-dialog {
  width: min(420px, calc(100% - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  color: inherit;
}

.confirm-dialog::backdrop {
  background: rgba(20, 20, 20, 0.45);
}

.confirm-dialog form {
  display: grid;
  gap: 14px;
  padding: 20px;
  margin: 0;
}

.confirm-dialog h2 {
  margin: 0;
  font-size: 1.15rem;
}

.confirm-dialog p {
  margin: 0;
  color: var(--muted);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.page-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.grid {
  display: grid;
  gap: 14px;
}

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

.grid.cards {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.panel,
.card {
  padding: 18px;
}

.stat {
  border-left: 5px solid var(--green);
}

.stat:nth-child(2) {
  border-left-color: var(--coral);
}

.stat:nth-child(3) {
  border-left-color: var(--gold);
}

.stat strong {
  display: block;
  margin-top: 6px;
  font-size: 2rem;
}

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

.card h2,
.card h3,
.panel h2,
.panel h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.badge.green {
  color: var(--green-dark);
  background: var(--mist);
  border-color: #bad5c8;
}

.filter-form,
.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

.form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-card {
  width: min(760px, 100%);
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.field-check {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
}

.field-check label {
  order: 2;
}

.form-control,
.form-select,
input[type="text"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
input[type="search"],
select,
textarea {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface-strong);
  color: var(--ink);
}

.field-hidden {
  display: none;
}

textarea {
  min-height: 104px;
  resize: vertical;
}

input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--green);
}

.help-text,
.field-error {
  font-size: 0.82rem;
}

.help-text {
  color: var(--muted);
}

.field-error,
.form-errors {
  color: #9c2f20;
}

.messages {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.message {
  padding: 12px 14px;
  border: 1px solid #bad5c8;
  border-radius: 8px;
  background: var(--mist);
}

.message.error {
  border-color: #e4b0a6;
  background: #fff0ed;
}

.table-list {
  display: grid;
  gap: 10px;
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(120px, 0.55fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.list-row strong {
  display: block;
}

.log-grid {
  display: grid;
  gap: 10px;
}

.log-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  overflow: hidden;
}

.log-group[open] {
  background: var(--surface-strong);
}

.log-group-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.log-group-summary::-webkit-details-marker {
  display: none;
}

.log-group-summary::before {
  content: "";
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-right: 4px;
  border-left: 6px solid currentColor;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transition: transform 0.15s ease;
}

.log-group[open] > .log-group-summary::before {
  transform: rotate(90deg);
}

.log-group-name {
  flex: 1 1 auto;
  font-weight: 700;
}

.log-group-meta {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.88rem;
}

.log-group-body {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

.log-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.log-row .field {
  min-width: 0;
}

.log-row .field label {
  font-size: 0.76rem;
}

.log-row .field input,
.log-row .field select,
.log-row .field textarea {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.log-row .field-check {
  align-self: end;
  padding-bottom: 8px;
}

.log-row .field-check input[type="checkbox"] {
  width: auto;
}

.log-exercise {
  grid-column: 1 / -1;
}

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

.log-notes textarea {
  min-height: 76px;
}

.sequence-label {
  min-height: 18px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.empty-state {
  display: grid;
  gap: 12px;
  place-items: start;
  padding: 26px;
  border: 1px dashed #c8beb0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.42);
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

.inline-form {
  display: inline;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 16px;
  align-items: start;
}

@media (max-width: 820px) {
  .topbar {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
  }

  .main-nav {
    grid-column: 1 / -1;
    margin-left: 0;
    padding-bottom: 2px;
  }

  .logout-form {
    justify-self: end;
  }

  .hero-panel,
  .split,
  .grid.stats,
  .filter-form,
  .form-grid,
  .form-grid.two {
    grid-template-columns: 1fr;
  }

  .page-header {
    align-items: start;
    flex-direction: column;
  }

  .list-row {
    grid-template-columns: 1fr;
  }

  .log-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page {
    padding: 16px;
  }

  .panel,
  .card,
  .hero-panel {
    padding: 16px;
  }

  .log-row {
    grid-template-columns: 1fr;
  }

  .actions .button,
  .actions button {
    width: 100%;
  }
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.calendar-day {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  min-height: 200px;
}

.calendar-day.is-weekend {
  background: rgba(255, 255, 255, 0.55);
}

.calendar-day.is-past {
  opacity: 0.78;
}

.calendar-day.is-today {
  border-color: var(--accent, #c0392b);
  box-shadow: 0 0 0 1px var(--accent, #c0392b) inset;
}

.calendar-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.calendar-day-weekday {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar-day-date {
  display: block;
  font-size: 1.05rem;
}

.calendar-day-body {
  flex: 1 1 auto;
}

.calendar-workout {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.calendar-workout-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--muted);
  background: var(--surface-strong);
}

.calendar-workout.is-completed {
  border-color: #2e7d32;
  background: #eef7ee;
}

.calendar-workout.is-completed .calendar-workout-status {
  color: #fff;
  background: #2e7d32;
  border-color: #2e7d32;
}

.calendar-workout.is-in-progress {
  border-color: #d68910;
  background: #fff8ec;
}

.calendar-workout.is-in-progress .calendar-workout-status {
  color: #d68910;
  border-color: #d68910;
}

.calendar-status-pill {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.06);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar-workout.is-completed .calendar-status-pill {
  background: #2e7d32;
  color: #fff;
}

.calendar-workout.is-in-progress .calendar-status-pill {
  background: #d68910;
  color: #fff;
}

.calendar-workout-link {
  display: grid;
  gap: 2px;
  min-width: 0;
  text-decoration: none;
  color: inherit;
}

.calendar-workout-link strong {
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-workout-link .muted {
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-empty {
  margin: 0;
  font-size: 0.88rem;
}

.calendar-assign-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  margin-top: auto;
}

.calendar-assign-form .form-select {
  min-width: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
}

@media (max-width: 1100px) {
  .calendar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .calendar-grid {
    grid-template-columns: 1fr;
  }
}