/* ============================================================
   Athlete Progress Tracker — Design System
   Dark-first. Barlow Condensed + Inter. Accent: #f97316 (orange).
   ============================================================ */

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Tokens — dark palette (default / system dark) ───────── */
:root {
  /* Surfaces */
  --bg:              #0d1520;
  --surface:         #152032;
  --surface-raised:  #1d2d45;
  --surface-hover:   #243656;

  /* Borders */
  --border:          #2a3d58;
  --border-subtle:   #1e2e44;

  /* Text */
  --text:            #dce8f5;
  --text-muted:      #6b86a2;
  --text-faint:      #364f68;

  /* Accent — athletic orange */
  --accent:          #f97316;
  --accent-dark:     #e8660c;
  --accent-dim:      rgba(249, 115, 22, 0.14);

  /* Semantic */
  --success:         #22c55e;
  --success-bg:      rgba(34, 197, 94, 0.12);
  --danger:          #f87171;
  --danger-bg:       rgba(248, 113, 113, 0.12);

  /* Shadows */
  --shadow-sm:       0 1px 4px rgba(0,0,0,.4);
  --shadow:          0 4px 24px rgba(0,0,0,.5), 0 1px 4px rgba(0,0,0,.3);
  --shadow-modal:    0 16px 64px rgba(0,0,0,.7), 0 4px 16px rgba(0,0,0,.4);

  /* Shape */
  --r-sm: 5px;
  --r:    9px;
  --r-lg: 14px;

  /* Type */
  --font-display: 'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  /* Easing */
  --spring: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Light theme ─────────────────────────────────────────── */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:             #edf1f8;
    --surface:        #ffffff;
    --surface-raised: #f3f7fc;
    --surface-hover:  #e8eef8;
    --border:         #c6d4e8;
    --border-subtle:  #dce7f4;
    --text:           #0d1520;
    --text-muted:     #4a6480;
    --text-faint:     #9ab0c8;
    --accent-dim:     rgba(249, 115, 22, 0.1);
    --success-bg:     rgba(34, 197, 94, 0.1);
    --danger-bg:      rgba(248, 113, 113, 0.1);
    --shadow-sm:      0 1px 4px rgba(0,0,0,.08);
    --shadow:         0 4px 24px rgba(0,0,0,.1), 0 1px 4px rgba(0,0,0,.06);
    --shadow-modal:   0 16px 64px rgba(0,0,0,.18), 0 4px 16px rgba(0,0,0,.1);
  }
}
:root[data-theme="light"] {
  --bg:             #edf1f8;
  --surface:        #ffffff;
  --surface-raised: #f3f7fc;
  --surface-hover:  #e8eef8;
  --border:         #c6d4e8;
  --border-subtle:  #dce7f4;
  --text:           #0d1520;
  --text-muted:     #4a6480;
  --text-faint:     #9ab0c8;
  --accent-dim:     rgba(249, 115, 22, 0.1);
  --success-bg:     rgba(34, 197, 94, 0.1);
  --danger-bg:      rgba(248, 113, 113, 0.1);
  --shadow-sm:      0 1px 4px rgba(0,0,0,.08);
  --shadow:         0 4px 24px rgba(0,0,0,.1), 0 1px 4px rgba(0,0,0,.06);
  --shadow-modal:   0 16px 64px rgba(0,0,0,.18), 0 4px 16px rgba(0,0,0,.1);
}

/* ── Base ─────────────────────────────────────────────────── */
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── App Header ───────────────────────────────────────────── */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 13px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-user {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}

.btn-sm {
  font-size: 0.78rem;
  padding: 5px 12px;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-icon { flex-shrink: 0; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.05;
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1;
  margin-top: 2px;
}

/* ── Group Nav ────────────────────────────────────────────── */
.group-nav-wrap {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  /* subtle inner shadow to separate from content when scrolled under */
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
}

.group-nav {
  max-width: 920px;
  margin: 0 auto;
  padding-inline: 20px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.group-nav::-webkit-scrollbar { display: none; }

/* Loading skeleton */
.group-nav-skeleton {
  display: flex;
  gap: 4px;
  padding-block: 15px 12px;
}
.group-nav-skeleton span {
  display: block;
  height: 16px;
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  animation: pulse 1.6s ease-in-out infinite;
}
.group-nav-skeleton span:nth-child(1) { width: 84px; }
.group-nav-skeleton span:nth-child(2) { width: 78px; animation-delay: .12s; }
.group-nav-skeleton span:nth-child(3) { width: 104px; animation-delay: .24s; }
.group-nav-skeleton span:nth-child(4) { width: 98px; animation-delay: .36s; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.group-tab {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  padding: 15px 20px 13px;
  border: none;
  border-bottom: 3px solid transparent;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.group-tab:hover { color: var(--text); }
.group-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.group-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--r-sm);
}

/* ── Main ─────────────────────────────────────────────────── */
.main-content {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

/* ── Welcome ──────────────────────────────────────────────── */
.welcome {
  padding: 64px 0;
  text-align: center;
}
.welcome-text {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ── Roster Panel ─────────────────────────────────────────── */
.roster-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* ── Roster Header ────────────────────────────────────────── */
.roster-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px 20px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.roster-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.05;
  text-wrap: balance;
}

.roster-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 5px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--r);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, transform .1s;
  flex-shrink: 0;
}
.btn-primary:hover  { background: var(--accent-dark); }
.btn-primary:active { transform: scale(0.96); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn-ghost {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); background: var(--surface-raised); }
.btn-ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--r-sm);
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, background .15s;
}
.btn-icon:hover { color: var(--text); background: var(--surface-raised); }
.btn-icon:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Table ────────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.roster-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.roster-table thead th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 10px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  white-space: nowrap;
}
.th-grade, .th-status { text-align: center; }
.th-actions { text-align: right; }

.roster-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background .1s;
}
.roster-table tbody tr:last-child { border-bottom: none; }
.roster-table tbody tr:hover { background: var(--surface-hover); }
.roster-table tbody tr.row-inactive { opacity: 0.55; }

.roster-table td {
  padding: 14px 18px;
  vertical-align: middle;
}

/* Column sizing */
.td-name   { min-width: 160px; }
.td-grade  { width: 90px;  text-align: center; }
.td-status { width: 120px; text-align: center; }
.td-actions{ width: 52px;  text-align: right; padding-right: 14px; }

.athlete-name {
  font-weight: 600;
  color: var(--text);
}

.grade-val {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ── Status badges ────────────────────────────────────────── */
.status-badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.status-badge:hover  { opacity: 0.75; }
.status-badge:active { transform: scale(0.93); }
.status-badge:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.badge-active   { background: var(--success-bg); color: var(--success); }
.badge-inactive { background: var(--danger-bg);  color: var(--danger); }

/* ── Loading & error rows ─────────────────────────────────── */
.row-placeholder td {
  text-align: center;
  padding: 36px 18px;
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.88rem;
}
.row-error td { color: var(--danger); }

/* ── Empty state ──────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 60px 24px;
  text-align: center;
}
.empty-icon   { font-size: 2.8rem; }
.empty-heading {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}
.empty-body {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 260px;
  text-wrap: balance;
  line-height: 1.55;
  margin-bottom: 4px;
}

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 11px 20px;
  border-radius: var(--r);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  z-index: 300;
  white-space: nowrap;
  pointer-events: none;
  animation: toast-rise .25s var(--spring) both;
}
.toast[hidden] { display: none; }
.toast-success { background: var(--success); color: #fff; }
.toast-error   { background: var(--danger);  color: #fff; }

@keyframes toast-rise {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Modal backdrop ───────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 18, 0.72);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  animation: fade-in .2s ease both;
}
.modal-backdrop[hidden] { display: none; }

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Modal ────────────────────────────────────────────────── */
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 420px;
  animation: modal-enter .28s var(--spring) both;
}

@keyframes modal-enter {
  from { opacity: 0; transform: scale(0.93) translateY(14px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

.modal-close { margin-left: 8px; }

/* ── Form ─────────────────────────────────────────────────── */
.form-body {
  padding: 20px 22px 6px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-input {
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface-raised);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.925rem;
  line-height: 1.4;
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder { color: var(--text-faint); }
.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* Select chevron */
select.form-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='7' viewBox='0 0 11 7'%3E%3Cpath d='M1 1l4.5 4.5L10 1' stroke='%236b86a2' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 36px;
  cursor: pointer;
}

/* ── Status toggle (in edit modal) ───────────────────────── */
.status-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface-raised);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
  width: fit-content;
}
.status-toggle.is-active {
  border-color: var(--success);
  color: var(--success);
  background: var(--success-bg);
}
.status-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.toggle-pip {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
  transition: background .15s;
}
.status-toggle.is-active .toggle-pip { background: var(--success); }

/* ── Modal actions ────────────────────────────────────────── */
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 18px 22px 22px;
}

/* ── Mobile ───────────────────────────────────────────────── */
@media (max-width: 580px) {
  .main-content {
    padding: 14px 12px 56px;
  }

  .roster-header {
    padding: 16px 16px 14px;
    gap: 12px;
  }

  .roster-title { font-size: 1.45rem; }

  /* Reflow table into card-per-row on small screens */
  .roster-table thead { display: none; }

  .roster-table tbody tr {
    display: grid;
    grid-template-columns: 1fr auto auto;
    grid-template-areas:
      "name name actions"
      "grade status .";
    gap: 6px 12px;
    padding: 13px 16px;
    border-bottom: 1px solid var(--border-subtle);
    background: none;
  }
  .roster-table tbody tr:last-child { border-bottom: none; }
  .roster-table tbody tr:hover { background: var(--surface-hover); }

  .roster-table td {
    padding: 0;
    border: none;
    display: block;
    vertical-align: unset;
  }

  .td-name    { grid-area: name;    align-self: center; }
  .td-grade   { grid-area: grade;   text-align: left; align-self: center; }
  .td-status  { grid-area: status;  text-align: left; align-self: center; }
  .td-actions { grid-area: actions; text-align: right; align-self: center; padding-right: 0; width: auto; }

  /* Tighten row placeholder */
  .row-placeholder td { padding: 28px 16px; }

  /* Modal slides up from bottom on mobile */
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }
  .modal {
    max-width: 100%;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    animation: sheet-up .3s var(--spring) both;
  }
  @keyframes sheet-up {
    from { opacity: 0; transform: translateY(100%); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ── Screen nav (Roster | Testing Log) ───────────────────── */
.screen-nav-bar {
  max-width: 920px;
  margin: 0 auto;
  padding-inline: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.screen-nav { display: flex; gap: 0; }

.screen-tab {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 9px 16px 8px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.screen-tab:hover  { color: var(--text); }
.screen-tab.active { color: var(--text); border-bottom-color: var(--accent); }
.screen-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--r-sm); }

/* ── Testing Panel ────────────────────────────────────────── */
.testing-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Outer card (date + athlete rows + save bar) */
.testing-main-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* Header row: title + date picker side by side */
.testing-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px 20px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.testing-header-left { flex: 1; min-width: 0; }

.testing-date-wrap {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.testing-date-input { width: 168px; }

/* Athlete entry row */
.athlete-row {
  border-bottom: 1px solid var(--border-subtle);
}
.athlete-row:last-child { border-bottom: none; }

.athlete-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px 8px;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border-subtle);
}

.athlete-row-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}

.athlete-row-grade {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* 4-column input grid — collapses to 2x2 on mobile */
.athlete-row-inputs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px 16px;
  padding: 14px 24px;
}

.metric-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.metric-label {
  font-family: var(--font-body);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.metric-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  padding: 10px 8px;
  text-align: center;
  width: 100%;
  min-height: 44px;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.metric-input::placeholder { color: var(--text-faint); font-weight: 400; }
.metric-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.metric-input.has-value {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* Placeholder / error states inside the athlete cards area */
.cards-placeholder {
  padding: 36px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-style: italic;
}
.cards-placeholder.cards-error { color: var(--danger); }

/* Save bar at the bottom of the entry card */
.session-save-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  background: var(--surface-raised);
}

/* ── Session history card ─────────────────────────────────── */
.history-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.history-card-header {
  padding: 17px 24px 15px;
  border-bottom: 1px solid var(--border-subtle);
}

.history-heading {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Each date in the history list */
.history-item { border-bottom: 1px solid var(--border-subtle); }
.history-item:last-child { border-bottom: none; }

.history-item-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: inherit;
  transition: background .1s;
}
.history-item-btn:hover { background: var(--surface-hover); }
.history-item-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.history-item-date {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
  flex: 1;
}

.history-item-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.history-chevron {
  color: var(--text-faint);
  flex-shrink: 0;
  transition: transform .2s var(--spring);
}
.history-item.open .history-chevron { transform: rotate(90deg); }

.history-empty {
  padding: 28px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-style: italic;
}

/* Expandable detail table */
.history-detail { border-top: 1px solid var(--border-subtle); }

.history-detail-inner {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  font-family: var(--font-body);
  min-width: 400px;
}

.result-table thead th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 9px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  background: var(--surface-raised);
}

.result-table tbody tr { border-bottom: 1px solid var(--border-subtle); }
.result-table tbody tr:last-child { border-bottom: none; }
.result-table tbody tr:hover { background: var(--surface-hover); }

.result-table td {
  padding: 11px 18px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.result-val-empty { color: var(--text-faint); }

/* ── Testing mobile overrides ─────────────────────────────── */
@media (max-width: 580px) {
  .testing-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 16px 14px;
  }
  .testing-date-input { width: 100%; }

  .athlete-row-header { padding: 9px 16px 7px; }

  /* 2-column (2×2) layout on mobile — easier thumb reach */
  .athlete-row-inputs {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px 16px;
  }

  .session-save-bar { padding: 14px 16px; }

  .btn-save-session { width: 100%; justify-content: center; }

  .history-item-btn { padding: 13px 16px; }
  .history-card-header { padding: 14px 16px 12px; }
  .history-empty { padding: 22px 16px; }
  .cards-placeholder { padding: 28px 16px; }
}