:root {
  color-scheme: light;
  --bg: #eef4f2;
  --surface: #ffffff;
  --surface-soft: #f4f8f6;
  --surface-strong: rgba(255, 255, 255, 0.94);
  --control-bg: #ffffff;
  --canvas-bg: #fbfefc;
  --canvas-bg-strong: #ffffff;
  --body-start: #f8fbf8;
  --body-end: #e8f0ef;
  --body-mobile-start: #f7fbf8;
  --ink: #16211f;
  --muted: #66736f;
  --line: #d8e2de;
  --line-soft: rgba(216, 226, 222, 0.9);
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #dff3ee;
  --accent-top: #12877e;
  --accent-chip-top: #13887f;
  --gold: #c98a18;
  --gold-soft: #fff3d7;
  --danger: #c2414b;
  --danger-soft: #fff0f1;
  --danger-line: #f2c7cc;
  --on-accent: #ffffff;
  --shadow: 0 18px 45px rgba(22, 33, 31, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101716;
  --surface: #17211f;
  --surface-soft: #1e2b28;
  --surface-strong: rgba(23, 33, 31, 0.96);
  --control-bg: #111b19;
  --canvas-bg: #111b19;
  --canvas-bg-strong: #162320;
  --body-start: #0b1110;
  --body-end: #14201e;
  --body-mobile-start: #0d1413;
  --ink: #edf7f4;
  --muted: #a6b7b2;
  --line: #31413d;
  --line-soft: rgba(68, 88, 82, 0.9);
  --accent: #25b8a8;
  --accent-strong: #1e968b;
  --accent-soft: #183b37;
  --accent-top: #2cc7b6;
  --accent-chip-top: #28bdae;
  --gold: #e5b755;
  --gold-soft: #3d321d;
  --danger: #ff7a87;
  --danger-soft: #3b1d23;
  --danger-line: #66343d;
  --on-accent: #071211;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(15, 118, 110, 0.12), transparent 28%),
    radial-gradient(circle at 88% 4%, rgba(201, 138, 24, 0.12), transparent 24%),
    linear-gradient(160deg, var(--body-start) 0%, var(--bg) 48%, var(--body-end) 100%),
    var(--bg);
  color: var(--ink);
}

body.show-auth .topbar,
body.show-auth .app-shell {
  display: none;
}

body.show-app .auth-shell {
  display: none;
}

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

.auth-card {
  width: min(100%, 420px);
  padding: 26px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.auth-card h1 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 8vw, 3rem);
}

.auth-form {
  display: grid;
  gap: 14px;
}

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

button {
  border: 0;
  border-radius: 7px;
  background: linear-gradient(180deg, var(--accent-top), var(--accent));
  color: var(--on-accent);
  cursor: pointer;
  min-height: 40px;
  padding: 0 16px;
  font-weight: 700;
}

button:hover {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
}

button.ghost {
  background: var(--control-bg);
  color: var(--ink);
  border: 1px solid var(--line);
}

button.danger {
  color: var(--danger);
}

button.ghost:hover {
  background: var(--surface-soft);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 700;
}

.panel > label + label {
  margin-top: 12px;
}

input,
select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--control-bg);
  color: var(--ink);
  padding: 8px 10px;
}

input:focus,
select:focus {
  outline: 3px solid rgba(15, 118, 110, 0.18);
  border-color: var(--accent);
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 18px;
  padding: 28px clamp(16px, 3vw, 42px) 20px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.7rem);
  line-height: 1;
}

h2 {
  font-size: 1rem;
}

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

.user-badge {
  min-height: 40px;
  display: inline-grid;
  place-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.page-nav {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-tab {
  background: var(--surface-strong);
  color: var(--ink);
  border: 1px solid var(--line);
}

.nav-tab:hover {
  background: var(--surface-soft);
}

.nav-tab.active {
  background: linear-gradient(180deg, var(--accent-top), var(--accent));
  color: var(--on-accent);
  border-color: var(--accent);
}

.app-shell {
  padding: 0 clamp(16px, 3vw, 42px) 38px;
}

.page {
  display: none;
}

.page.active {
  display: grid;
  align-content: start;
  gap: 18px;
  min-width: 0;
}

.training-entry {
  max-width: 760px;
}

.filters-panel {
  max-width: 760px;
}

.filter-grid,
.management-grid {
  display: grid;
  gap: 14px;
}

.filter-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.management-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.panel,
.metric {
  background: var(--surface-strong);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
  min-width: 0;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.section-heading span,
#tableCount {
  color: var(--muted);
  font-size: 0.86rem;
}

.person-list,
.exercise-list,
.group-list,
.member-list {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.person-chip,
.exercise-chip,
.group-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: var(--surface-soft);
  color: var(--ink);
  border: 1px solid var(--line);
}

.person-chip.active,
.exercise-chip.active,
.group-chip.active {
  background: linear-gradient(180deg, var(--accent-chip-top), var(--accent));
  border-color: var(--accent);
  color: var(--on-accent);
}

.exercise-list {
  max-height: 220px;
  overflow: auto;
  padding-right: 2px;
}

.exercise-chip {
  min-height: 36px;
  padding: 0 12px;
  font-size: 0.9rem;
}

.inline-form {
  display: grid;
  gap: 8px;
}

.user-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.user-row > div:first-child {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.user-row strong,
.user-row small {
  overflow-wrap: anywhere;
}

.user-row small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.user-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-actions button {
  min-height: 34px;
  padding: 0 10px;
  font-size: 0.8rem;
}

.inline-controls {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 8px;
}

.user-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.check-row {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-soft);
  color: var(--ink);
}

.check-row input {
  width: auto;
  min-height: auto;
}

.member-row {
  justify-content: flex-start;
}

.member-row span {
  display: grid;
  gap: 2px;
}

.member-row small,
.muted {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.group-member-form {
  margin-top: 16px;
}

.password-note {
  margin: -4px 0 14px;
}

.admin-password-form {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.metric span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.metric strong {
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.1;
}

.calendar-panel {
  overflow: hidden;
}

.calendar-heading {
  align-items: center;
}

.calendar-heading > div {
  display: grid;
  gap: 5px;
}

.calendar-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calendar-controls strong {
  min-width: 170px;
  text-align: center;
  text-transform: capitalize;
}

.icon-button {
  width: 40px;
  min-width: 40px;
  padding: 0;
  font-size: 1.35rem;
  line-height: 1;
}

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

.calendar-weekdays {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.calendar-day {
  display: grid;
  align-content: start;
  gap: 3px;
  min-height: 84px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  text-align: left;
}

.calendar-day.empty {
  min-height: 84px;
  background: transparent;
  border: 0;
}

.calendar-day:disabled {
  cursor: default;
  opacity: 0.72;
}

.calendar-day.has-training {
  background: linear-gradient(180deg, var(--accent-soft), var(--surface-soft));
  color: var(--ink);
  border-color: var(--accent);
}

.calendar-day.has-training:hover {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: var(--on-accent);
}

.calendar-day.selected {
  outline: 3px solid rgba(15, 118, 110, 0.2);
  border-color: var(--accent);
}

.calendar-date {
  font-size: 0.86rem;
  font-weight: 900;
}

.calendar-day strong {
  font-size: 1.35rem;
  line-height: 1;
}

.calendar-day span:last-child {
  font-size: 0.74rem;
  font-weight: 800;
}

.work-area {
  display: grid;
  grid-template-columns: minmax(280px, 430px) 1fr;
  gap: 18px;
}

.entry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
  overflow: hidden;
}

.entry-form label {
  min-width: 0;
}

.entry-form input,
.entry-form select {
  max-width: 100%;
  min-width: 0;
}

.entry-form input:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.entry-form input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
}

.wide {
  grid-column: 1 / -1;
}

.hidden {
  display: none;
}

.last-value-box {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid rgba(15, 118, 110, 0.24);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--accent-soft), var(--surface-soft));
}

.last-value-title {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.last-value-text {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.35;
}

.last-session-date {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.84rem;
}

.last-set-list {
  display: grid;
  gap: 4px;
}

.last-set-list strong {
  color: var(--accent-strong);
}

.ai-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.ai-form label {
  min-width: 0;
}

.ai-form textarea,
.ai-form select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.ai-form textarea {
  resize: vertical;
  min-height: 112px;
  line-height: 1.45;
}

.ai-result {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid rgba(20, 184, 166, 0.28);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--accent-soft), var(--surface-soft));
}

.ai-result-meta {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.ai-result-text {
  color: var(--ink);
  line-height: 1.55;
  white-space: pre-wrap;
}

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

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.form-message.error {
  color: var(--danger);
}

.form-message.success {
  color: var(--accent);
}

.chart-panel {
  min-width: 0;
}

.progress-insight {
  display: grid;
  gap: 5px;
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--surface-soft), var(--surface));
}

.progress-insight.positive {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft), var(--surface-soft));
}

.progress-insight.calm {
  border-color: var(--gold);
  background: linear-gradient(180deg, var(--gold-soft), var(--surface-soft));
}

.progress-insight strong {
  font-size: clamp(1rem, 2vw, 1.3rem);
}

.progress-insight span {
  color: var(--muted);
  font-weight: 700;
}

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

.progress-card {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.progress-card span,
.progress-card small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.progress-card strong {
  font-size: 1.35rem;
  overflow-wrap: anywhere;
}

.progress-card em {
  width: max-content;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 900;
}

.progress-card em.up {
  background: var(--accent-soft);
  color: var(--accent);
}

.progress-card em.down {
  background: var(--gold-soft);
  color: var(--gold);
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.progress-grid.compact {
  grid-template-columns: minmax(0, 1fr);
}

.mini-chart {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.mini-chart > div {
  display: grid;
  gap: 3px;
  margin-bottom: 10px;
}

.mini-chart h3 {
  margin: 0;
  font-size: 0.94rem;
}

.mini-chart span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

canvas {
  width: 100%;
  height: 300px;
  display: block;
  background: linear-gradient(180deg, var(--canvas-bg), var(--canvas-bg-strong));
  border: 1px solid var(--line);
  border-radius: 8px;
}

.table-heading {
  align-items: end;
}

.table-heading > div {
  display: grid;
  gap: 5px;
}

.table-heading input {
  max-width: 260px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
  background: var(--surface);
}

th,
td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

td:last-child,
th:last-child {
  text-align: right;
}

.row-actions {
  display: inline-flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
}

.edit-row,
.delete-row {
  min-height: 30px;
  padding: 0 10px;
}

.edit-row {
  background: var(--surface-soft);
  color: var(--accent);
  border: 1px solid rgba(20, 184, 166, 0.28);
}

.delete-row {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid var(--danger-line);
}

.empty-state {
  color: var(--muted);
  text-align: center;
  padding: 26px;
}

@media (max-width: 1200px) {
  .training-entry .entry-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .training-entry .entry-form label,
  .training-entry .entry-form .wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 980px) {
  .management-grid,
  .filter-grid,
  .entry-form,
  .ai-form,
  .progress-grid,
  .work-area {
    grid-template-columns: 1fr;
  }

  .entry-form label,
  .entry-form .wide,
  .ai-form label,
  .ai-form .wide {
    grid-column: 1 / -1;
    min-width: 0;
  }

  .entry-form input,
  .entry-form select,
  .ai-form textarea,
  .ai-form select {
    min-width: 0;
  }
}

@media (max-width: 720px) {
  body {
    background:
      linear-gradient(180deg, var(--body-mobile-start) 0%, var(--bg) 100%),
      var(--bg);
  }

  button,
  input,
  select,
  textarea {
    min-height: 46px;
    font-size: 16px;
  }

  .topbar,
  .metrics,
  .management-grid,
  .filter-grid,
  .progress-highlights,
  .user-form-grid,
  .entry-form,
  .ai-form {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
    gap: 14px;
    padding: 20px 14px 14px;
  }

  h1 {
    font-size: 2.2rem;
  }

  .eyebrow {
    font-size: 0.72rem;
  }

  .top-actions,
  .form-actions {
    justify-content: stretch;
  }

  .page-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

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

  .user-actions {
    justify-content: stretch;
  }

  .user-actions button {
    flex: 1;
  }

  .nav-tab {
    padding: 0 8px;
  }

  .app-shell {
    gap: 14px;
    overflow-x: hidden;
    padding: 0 12px 24px;
  }

  .page.active,
  .management-grid,
  .filter-grid,
  .work-area {
    gap: 14px;
  }

  .panel {
    padding: 14px;
  }

  .panel,
  .metric {
    box-shadow: 0 10px 28px rgba(22, 33, 31, 0.08);
  }

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

  .metric {
    padding: 14px;
    min-height: 92px;
  }

  .metric strong {
    font-size: 1.45rem;
    overflow-wrap: anywhere;
  }

  .person-list,
  .exercise-list {
    display: flex;
    gap: 8px;
    margin: 0 -14px 14px;
    overflow-x: auto;
    padding: 0 14px 6px;
    scroll-snap-type: x proximity;
  }

  .person-chip,
  .exercise-chip {
    flex: 0 0 auto;
    min-width: 138px;
    width: auto;
    scroll-snap-align: start;
  }

  .exercise-list {
    max-height: none;
  }

  .inline-controls {
    grid-template-columns: 1fr 48px;
  }

  .entry-form {
    gap: 12px;
    grid-template-columns: minmax(0, 1fr);
  }

  .entry-form label,
  .entry-form .wide {
    grid-column: 1 / -1;
    min-width: 0;
  }

  .entry-form input,
  .entry-form select {
    min-width: 0;
  }

  .last-value-box {
    padding: 12px;
  }

  .progress-grid {
    gap: 10px;
  }

  .progress-highlights {
    gap: 8px;
  }

  .progress-card {
    padding: 12px;
  }

  .calendar-heading {
    display: grid;
    align-items: stretch;
  }

  .calendar-controls {
    display: grid;
    grid-template-columns: 46px 1fr 46px;
  }

  .calendar-controls strong {
    min-width: 0;
  }

  .calendar-weekdays,
  .calendar-grid {
    gap: 5px;
  }

  .calendar-day,
  .calendar-day.empty {
    min-height: 58px;
    padding: 7px;
  }

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

  .calendar-day span:last-child {
    display: none;
  }

  canvas {
    height: 260px;
  }

  .table-heading {
    display: grid;
    align-items: stretch;
  }

  .table-heading input {
    max-width: none;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
  }

  table,
  thead,
  tbody,
  tr,
  td {
    display: block;
  }

  table {
    min-width: 0;
    background: transparent;
  }

  thead {
    display: none;
  }

  tbody {
    display: grid;
    gap: 10px;
  }

  tr {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 10px;
  }

  td {
    display: grid;
    grid-template-columns: minmax(88px, 38%) 1fr;
    gap: 10px;
    padding: 7px 2px;
    border-bottom: 1px solid var(--line);
    white-space: normal;
    text-align: left;
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
  }

  td:last-child {
    border-bottom: 0;
    text-align: left;
  }

  td:last-child::before {
    content: "";
  }

  .row-actions {
    display: grid;
    width: 100%;
  }

  .edit-row,
  .delete-row {
    width: 100%;
  }

  .top-actions button,
  .form-actions button {
    width: 100%;
  }
}