/* Krios Mobile (Athlete Portal) — mobile-first layout & components.
 * Prefix: km-*  (krios-mobile). Keeps `st-*` and `kr-*` tokens intact.
 *
 * Loaded by /GUI/MOBILE/* pages on top of the vendor bundle (Bootstrap 5.3
 * + tokens.css). Use ONLY tokens defined in tokens.css for color/scale.
 */

/* --- Base reset for portal pages -------------------------------------- */
:root {
  /* Mirror tokens.css brand values so this file can be used standalone too. */
  --km-teal:        var(--st-brand,       #0e7e6b);
  --km-teal-dark:   var(--st-brand-dark,  #0a5a4d);
  --km-teal-light:  var(--st-brand-light, #e0f4f0);
  --km-accent:      var(--st-brand-accent,#ff8a3d);
  --km-success:     var(--st-success,     #1F9D55);
  --km-danger:      var(--st-danger,      #D64545);
  --km-warning:     var(--st-warning,     #E08E0B);
  --km-info:        var(--st-info,        #3182CE);

  --km-bg:          #f5f7f9;
  --km-card-bg:     #ffffff;
  --km-text:        #1A202C;
  --km-text-muted:  #4A5568;
  --km-border:      #E2E8F0;

  --km-radius:      14px;
  --km-radius-lg:   18px;
  --km-shadow:      0 4px 16px rgba(15,23,42,0.08);
  --km-shadow-lg:   0 10px 30px rgba(15,23,42,0.14);

  --km-topbar-h:    52px;
  --km-bottomnav-h: 64px;
}

html, body { margin: 0; padding: 0; }
body.km-body {
  background: var(--km-bg);
  color: var(--km-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  padding-bottom: calc(var(--km-bottomnav-h) + env(safe-area-inset-bottom, 0px));
  overscroll-behavior-y: contain;
}

/* --- Topbar (slim) ---------------------------------------------------- */
.km-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--km-topbar-h);
  background: linear-gradient(135deg, var(--km-teal) 0%, var(--km-teal-dark) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  padding-top: env(safe-area-inset-top, 0px);
  box-shadow: var(--km-shadow);
}
.km-topbar .km-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.km-topbar .km-brand img {
  width: 1.5em;
  height: 1.5em;
  filter: brightness(0) invert(1);
}
.km-topbar .km-tenant {
  font-size: 0.8rem;
  opacity: 0.92;
  max-width: 50vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}
.km-topbar .km-topbar-menu .btn { color: #fff; padding: 0.25rem 0.5rem; }

/* --- Bottom nav ------------------------------------------------------- */
.km-bottomnav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  height: calc(var(--km-bottomnav-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: #fff;
  border-top: 1px solid var(--km-border);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.km-bottomnav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--km-text-muted);
  font-size: 0.68rem;
  font-weight: 500;
  min-height: 44px;
  transition: color 120ms ease, background 120ms ease;
}
.km-bottomnav a .km-nav-icon {
  font-size: 1.25rem;
  line-height: 1;
}
.km-bottomnav a.active {
  color: var(--km-teal);
}
.km-bottomnav a.active::before {
  content: "";
  position: absolute;
  margin-top: -10px;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--km-teal);
}
.km-bottomnav a:active { background: var(--km-teal-light); }

/* --- Main content ----------------------------------------------------- */
.km-main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
  margin: 0 auto;
}
.km-page-title {
  margin: 0 0 4px 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--km-teal-dark);
}
.km-page-subtitle {
  margin: 0;
  color: var(--km-text-muted);
  font-size: 0.9rem;
}

/* --- Cards ------------------------------------------------------------ */
.km-card {
  background: var(--km-card-bg);
  border-radius: var(--km-radius);
  box-shadow: var(--km-shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--km-border);
}
.km-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--km-text-muted);
  font-weight: 600;
  margin: 0;
}
.km-card-title .km-card-title-icon { color: var(--km-teal); font-size: 0.95rem; }
.km-card-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--km-text);
  line-height: 1.1;
}
.km-card-value-lg {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--km-teal-dark);
}
.km-card-body { color: var(--km-text); font-size: 0.95rem; }
.km-card-muted { color: var(--km-text-muted); font-size: 0.85rem; }

.km-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.km-card-accent {
  border-left: 4px solid var(--km-teal);
}
.km-card-accent.warn  { border-left-color: var(--km-warning); }
.km-card-accent.danger{ border-left-color: var(--km-danger); }

/* List cards (tappable rows in workout/pt/history lists) */
.km-list { display: flex; flex-direction: column; gap: 10px; }
.km-list-item {
  background: var(--km-card-bg);
  border-radius: var(--km-radius);
  box-shadow: var(--km-shadow);
  border: 1px solid var(--km-border);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  color: var(--km-text);
  min-height: 56px;
  transition: transform 80ms ease, box-shadow 120ms ease;
}
.km-list-item:active { transform: scale(0.99); box-shadow: var(--km-shadow-lg); }
.km-list-item .km-list-title { font-weight: 600; font-size: 1rem; color: var(--km-text); }
.km-list-item .km-list-meta  { color: var(--km-text-muted); font-size: 0.85rem; }
.km-list-item .km-list-row   { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

.km-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--km-text-muted);
}
.km-empty .km-empty-icon { font-size: 2rem; color: var(--km-neutral-400, #CBD5E0); margin-bottom: 8px; display:block;}

/* --- Badges ----------------------------------------------------------- */
.km-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--km-teal-light);
  color: var(--km-teal-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.km-badge-warn  { background: #FEF3C7; color: #92400E; }
.km-badge-danger{ background: #FEE2E2; color: #991B1B; }
.km-badge-ok    { background: #D1FAE5; color: #065F46; }

/* --- Buttons ---------------------------------------------------------- */
.km-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--km-radius);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 18px;
  min-height: 48px;
  cursor: pointer;
  text-decoration: none;
  transition: background 120ms ease, transform 60ms ease;
}
.km-btn:active { transform: scale(0.98); }
.km-btn-primary {
  background: var(--km-teal);
  color: #fff;
}
.km-btn-primary:hover, .km-btn-primary:focus { background: var(--km-teal-dark); color: #fff; }

.km-btn-accent {
  background: var(--km-accent);
  color: #fff;
}
.km-btn-ghost {
  background: transparent;
  color: var(--km-teal-dark);
  border: 1px solid var(--km-border);
}
.km-btn-danger { background: var(--km-danger); color: #fff; }
.km-btn-block  { width: 100%; }
.km-btn-lg     { font-size: 1.1rem; min-height: 56px; padding: 14px 22px; }
.km-btn-xl     { font-size: 1.25rem; min-height: 64px; padding: 18px 24px; }

/* --- Forms ------------------------------------------------------------ */
.km-form-group { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.km-form-label { font-size: 0.85rem; font-weight: 600; color: var(--km-text-muted); }
.km-input, .km-select, .km-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--km-border);
  border-radius: 10px;
  font-size: 1rem;
  background: #fff;
  color: var(--km-text);
  min-height: 44px;
}
.km-input:focus, .km-select:focus, .km-textarea:focus {
  outline: none;
  border-color: var(--km-teal);
  box-shadow: 0 0 0 3px rgba(14,126,107,0.15);
}
.km-input[readonly] { background: var(--km-bg); color: var(--km-text-muted); }

/* --- Stepper (numeric +/-) for workout reps & weight ------------------ */
.km-stepper {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--km-border);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}
.km-stepper button {
  flex: 0 0 48px;
  border: none;
  background: var(--km-teal-light);
  color: var(--km-teal-dark);
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 48px;
  transition: background 120ms ease;
}
.km-stepper button:active { background: var(--km-teal); color:#fff; }
.km-stepper input {
  flex: 1 1 auto;
  border: none;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--km-text);
  padding: 0;
  min-width: 0;
  -moz-appearance: textfield;
}
.km-stepper input::-webkit-outer-spin-button,
.km-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.km-stepper-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--km-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  display: block;
}

/* --- Workout Player --------------------------------------------------- */
.km-wp-header {
  position: sticky;
  top: 0;
  z-index: 25;
  background: var(--km-card-bg);
  border-bottom: 1px solid var(--km-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}
.km-wp-header .km-wp-title { font-weight: 700; color: var(--km-teal-dark); font-size: 1rem; }
.km-wp-exit {
  background: transparent;
  border: none;
  color: var(--km-danger);
  font-size: 1.2rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
}
.km-wp-exit:active { background: #FEE2E2; }

.km-wp-progress {
  height: 6px;
  background: var(--km-border);
  border-radius: 3px;
  overflow: hidden;
  margin: 0;
}
.km-wp-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--km-teal) 0%, var(--km-teal-dark) 100%);
  transition: width 220ms ease;
}

.km-wp-exercise-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--km-text);
  margin: 0;
  line-height: 1.2;
}
.km-wp-exercise-meta {
  color: var(--km-text-muted);
  font-size: 0.9rem;
  margin: 0;
}
.km-wp-set-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--km-teal-dark);
  background: var(--km-teal-light);
  padding: 4px 12px;
  border-radius: 999px;
  display: inline-block;
}
.km-wp-target-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
}
.km-wp-target-cell {
  background: var(--km-teal-light);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.km-wp-target-cell .km-wp-target-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--km-teal-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.km-wp-target-cell .km-wp-target-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--km-teal-dark);
  line-height: 1;
  margin-top: 4px;
}

.km-wp-rest-banner {
  background: linear-gradient(135deg, var(--km-teal) 0%, var(--km-teal-dark) 100%);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.92rem;
  text-align: center;
  margin-top: 4px;
}

/* Timer (resting state) — circle-ish big numeric */
.km-timer {
  font-size: 4.5rem;
  font-weight: 800;
  text-align: center;
  color: var(--km-teal-dark);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 24px 0 8px;
}
.km-timer.urgent { color: var(--km-danger); animation: km-pulse 0.8s infinite alternate; }
@keyframes km-pulse {
  from { transform: scale(1); }
  to   { transform: scale(1.06); }
}
.km-timer-label {
  text-align: center;
  color: var(--km-text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.km-timer-next {
  background: var(--km-bg);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--km-text);
  text-align: center;
  margin-bottom: 12px;
}

.km-wp-actions {
  display: flex;
  gap: 10px;
  flex-direction: column;
}
.km-wp-actions-row {
  display: flex;
  gap: 10px;
}
.km-wp-actions-row .km-btn { flex: 1; }

.km-wp-idle-summary {
  background: var(--km-bg);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.92rem;
  color: var(--km-text);
}
.km-wp-day {
  font-weight: 700;
  color: var(--km-teal-dark);
  margin: 8px 0 6px;
  font-size: 0.95rem;
}
.km-wp-ex-line {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 0; border-bottom: 1px dashed var(--km-border);
  font-size: 0.88rem;
}
.km-wp-ex-line:last-child { border-bottom: none; }

/* Completion screen */
.km-wp-complete-icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--km-success);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 16px auto 8px;
  font-size: 2.4rem;
}
.km-wp-complete-title {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--km-teal-dark);
}
.km-wp-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin: 16px 0;
}
.km-wp-stat {
  background: var(--km-bg);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}
.km-wp-stat .km-wp-stat-value { font-size: 1.3rem; font-weight: 800; color: var(--km-teal-dark); }
.km-wp-stat .km-wp-stat-label { font-size: 0.7rem; color: var(--km-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* --- History detail (set rows) --------------------------------------- */
.km-set-row {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  border-bottom: 1px dashed var(--km-border);
}
.km-set-row:last-child { border: none; }
.km-set-row .km-set-num { font-weight: 700; color: var(--km-teal-dark); min-width: 32px; }
.km-set-row .km-set-target { color: var(--km-text-muted); }
.km-set-row .km-set-actual { color: var(--km-text); font-weight: 600; }
.km-set-row .km-set-skipped { color: var(--km-warning); font-style: italic; }

/* --- Tabs simple (history personal-bests vs sessions) ---------------- */
.km-tabs {
  display: flex;
  gap: 0;
  background: var(--km-card-bg);
  border-radius: var(--km-radius);
  padding: 4px;
  box-shadow: var(--km-shadow);
  margin-bottom: 12px;
}
.km-tabs button {
  flex: 1;
  background: transparent;
  border: none;
  padding: 10px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--km-text-muted);
  border-radius: 10px;
  cursor: pointer;
  min-height: 44px;
}
.km-tabs button.active {
  background: var(--km-teal);
  color: #fff;
}

/* --- Small toast (fallback if KR.toast not in scope) ----------------- */
.km-toast-container {
  position: fixed;
  left: 50%; bottom: calc(var(--km-bottomnav-h) + env(safe-area-inset-bottom, 0px) + 8px);
  transform: translateX(-50%);
  z-index: 100;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.km-toast {
  background: rgba(26,32,44,0.96);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  box-shadow: var(--km-shadow-lg);
  max-width: 90vw;
}
.km-toast.success { background: var(--km-success); }
.km-toast.error   { background: var(--km-danger); }
.km-toast.warning { background: var(--km-warning); }

/* --- Spinners & skeletons -------------------------------------------- */
.km-skeleton {
  background: linear-gradient(90deg, var(--km-border) 25%, #F1F5F9 50%, var(--km-border) 75%);
  background-size: 200% 100%;
  animation: km-shimmer 1.4s linear infinite;
  border-radius: 8px;
  height: 1em;
}
@keyframes km-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Login & change-password full-screen pages ----------------------- */
body.km-auth-body {
  background: linear-gradient(135deg, var(--km-teal) 0%, var(--km-teal-dark) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}
.km-auth-card {
  background: #fff;
  border-radius: var(--km-radius-lg);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.28);
  padding: 28px 22px;
  width: 100%;
  max-width: 420px;
}
.km-auth-brand {
  text-align: center;
  margin-bottom: 16px;
}
.km-auth-brand img {
  max-width: 220px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 6px;
}
.km-auth-subtitle {
  color: var(--km-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.km-auth-tenant {
  text-align: center;
  margin: 0 0 18px 0;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--km-teal) 0%, var(--km-teal-dark) 100%);
  color: #fff;
  border-radius: 12px;
}
.km-auth-tenant .km-auth-tenant-name { font-size: 1rem; font-weight: 600; }
.km-auth-tenant .km-auth-tenant-meta {
  font-size: 0.72rem; opacity: 0.85; margin-top: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.km-auth-error {
  display: none;
  color: #b91c1c;
  text-align: center;
  margin-top: 10px;
  font-size: 0.88rem;
}
.km-auth-error.visible { display: block; }
.km-auth-footer {
  text-align: center;
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--km-text-muted);
}
.km-auth-footer a {
  color: var(--km-teal-dark);
  text-decoration: none;
  font-weight: 600;
}

/* --- Wider screens (tablet+) ---------------------------------------- */
@media (min-width: 720px) {
  .km-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .km-grid-2 > .km-card { margin: 0; }
}