:root {
  --ink: #17231e;
  --muted: #6f7d75;
  --line: #dfe8e2;
  --surface: #ffffff;
  --background: #f3f7f4;
  --mint: #b5ebd0;
  --mint-dark: #126044;
  --coral: #f17d62;
  --shadow: 0 16px 40px rgba(25, 54, 40, 0.07);
  --input-background: #fbfcfb;
  --soft-mint: #e7f7ee;
  --soft-coral: #fff8f4;
  --card-background: #ffffff;
}

[data-theme="dark"] {
  --ink: #e8f0eb;
  --muted: #9aa9a1;
  --line: #33453c;
  --surface: #1b2822;
  --background: #111a16;
  --mint: #286b4e;
  --mint-dark: #a8e5c4;
  --coral: #f58d76;
  --shadow: 0 14px 35px rgba(0, 0, 0, 0.24);
  --input-background: #16211c;
  --soft-mint: #203f30;
  --soft-coral: #3a2924;
  --card-background: #1b2822;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: "DM Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 30; padding: 10px 14px; border-radius: 9px; background: var(--ink); color: white; font-size: 12px; font-weight: 700; text-decoration: none; transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }

.auth-screen { display: grid; min-height: 100vh; place-items: center; padding: 24px; background: var(--background); }
.auth-card { width: min(100%, 410px); padding: 38px; border: 1px solid var(--line); border-radius: 20px; background: var(--card-background); box-shadow: var(--shadow); }
.brand-lockup { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 3px; }
.brand-logo { display: block; width: 114px; height: 45px; object-fit: contain; }
.brand-logo-dark { display: none; }
.brand-powered { color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .11em; line-height: 1; white-space: nowrap; }
.brand-lockup-auth { margin-bottom: 22px; }
.brand-lockup-auth .brand-logo { width: 180px; height: 60px; object-fit: contain; }
.brand-lockup-auth .brand-powered { font-size: 8px; }
.auth-card .eyebrow { color: var(--muted); }
.auth-card h1 { margin-bottom: 12px; font-size: 30px; }
.auth-copy { margin-bottom: 25px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.auth-card label, .admin-card label { display: block; margin: 15px 0 7px; font-size: 12px; font-weight: 700; }
.auth-card input, .admin-card input { width: 100%; padding: 12px; }
.auth-card .primary-button { width: 100%; margin-top: 22px; }
.auth-error { min-height: 16px; margin: 10px 0 0; color: #bd5d4b; font-size: 11px; }
.admin-panel { position: fixed; inset: 0; z-index: 15; display: grid; place-items: center; padding: 20px; background: rgba(20, 33, 27, .42); }
.library-page { display: none; }
.library-page.is-visible { display: block; padding: 20px 32px 40px; }
.is-library-route .dashboard, .is-library-route #admin-panel, .is-library-route #trainees-panel { display: none; }
.is-library-route .library-page { display: block; padding: 20px 0 40px; }
.is-library-route .library-card { width: 100%; max-width: none; padding: 34px; }
.library-page.is-visible .library-card { width: 100%; max-width: 1120px; margin: 0 auto; padding: 34px; }
.library-back-link { display: inline-block; margin-bottom: 22px; color: var(--muted); font-size: 12px; font-weight: 700; text-decoration: none; }
.library-back-link:hover { color: var(--ink); }
.admin-card { position: relative; width: min(100%, 430px); padding: 34px; border-radius: 18px; background: var(--card-background); box-shadow: 0 20px 70px rgba(10, 25, 18, .2); }
.admin-card h2 { margin-bottom: 22px; font-size: 25px; }
.admin-card label span { color: var(--muted); font-weight: 400; }
.admin-card .primary-button { margin-top: 10px; }
.admin-open-button { color: var(--mint-dark); }

.app-shell { max-width: 1180px; margin: 0 auto; padding: 0 32px 80px; }
.topbar { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--ink); color: var(--mint); font-family: Manrope, sans-serif; font-size: 18px; }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-link { position: relative; color: var(--muted); font-size: 12px; font-weight: 700; text-decoration: none; }
.nav-link:hover, .nav-link.is-active { color: var(--ink); }
.nav-link.is-active::after { position: absolute; right: 0; bottom: -10px; left: 0; height: 2px; border-radius: 2px; background: var(--coral); content: ""; }
.topbar-actions { display: flex; align-items: center; gap: 18px; }
.save-status { color: var(--muted); font-size: 12px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 7px 11px; background: var(--surface); color: var(--ink); font-size: 11px; font-weight: 700; }
.theme-toggle > span:first-child::before { content: "☼"; font-size: 15px; line-height: 1; }
[data-theme="dark"] .theme-toggle > span:first-child::before { content: "☾"; }
.theme-toggle:hover { border-color: var(--mint-dark); color: var(--mint-dark); }
.profile-menu { position: relative; }
.avatar { border: 0; border-radius: 50%; width: 36px; height: 36px; background: var(--mint); color: var(--mint-dark); font-size: 11px; font-weight: 700; }
.avatar:hover, .avatar[aria-expanded="true"] { box-shadow: 0 0 0 3px rgba(188, 235, 213, .45); }
.profile-dropdown { position: absolute; right: 0; top: calc(100% + 10px); z-index: 8; min-width: 170px; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow); }
.profile-name { margin: 4px 8px 7px; padding-bottom: 8px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 700; }
.profile-menu-item { width: 100%; border: 0; border-radius: 8px; padding: 9px 8px; background: transparent; color: var(--ink); font-size: 12px; font-weight: 700; text-align: left; }
.profile-menu-item:hover { background: var(--soft-mint); color: var(--mint-dark); }
.menu-toggle { display: none; }

.dashboard { display: grid; gap: 18px; }
.welcome-card { position: relative; overflow: hidden; min-height: 242px; padding: 48px 52px; border: 1px solid rgba(23, 85, 61, .08); border-radius: 28px; background: linear-gradient(120deg, var(--mint) 0%, #e0f7e9 100%); box-shadow: 0 20px 50px rgba(33, 101, 72, .12); isolation: isolate; }
.welcome-card::after { position: absolute; right: -80px; bottom: -115px; z-index: -1; width: 350px; height: 230px; border: 1px solid rgba(23, 85, 61, .14); border-radius: 50%; box-shadow: 0 0 0 20px rgba(23, 85, 61, .04), 0 0 0 40px rgba(23, 85, 61, .03); content: ""; transform: rotate(-18deg); }
.eyebrow { margin: 0 0 12px; color: var(--mint-dark); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 500px; margin-bottom: 14px; font: 800 42px/1.08 Manrope, sans-serif; letter-spacing: -.04em; }
.hero-quote { position: relative; z-index: 1; display: flex; align-items: flex-start; gap: 8px; max-width: 570px; margin: 0; color: #315c4a; font: 500 16px/1.55 Manrope, sans-serif; letter-spacing: -.01em; }
.quote-mark { margin-top: -9px; color: var(--mint-dark); font: 700 48px/.8 Georgia, serif; }
.hero-decoration { position: absolute; right: 78px; top: 45px; width: 230px; height: 190px; transform: rotate(-10deg); }
.hero-line { position: absolute; display: block; height: 18px; border: 5px solid var(--mint-dark); border-left: 0; border-radius: 0 30px 30px 0; opacity: .8; }
.line-one { right: 0; top: 44px; width: 150px; }
.line-two { right: 32px; top: 90px; width: 176px; }
.hero-dot { position: absolute; right: 142px; top: 25px; width: 18px; height: 18px; border-radius: 50%; background: var(--coral); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stat-card, .panel-card { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.stat-card, .panel-card, .exercise-card { transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.stat-card:hover, .panel-card:hover, .exercise-card:hover { border-color: rgba(18, 96, 68, .28); box-shadow: 0 20px 45px rgba(25, 54, 40, .1); }
.stat-card { position: relative; min-height: 138px; padding: 20px; }
.statistics-entry-card { width: 100%; border: 1px solid #f4dfd6; text-align: left; cursor: pointer; }
.statistics-entry-card:hover { border-color: var(--coral); transform: translateY(-2px); }
.statistics-entry-card strong { display: block; margin: 6px 0; font-size: 20px; }
.statistics-card { scroll-margin-top: 24px; }
.history-section { scroll-margin-top: 24px; padding-top: 24px; }
.history-section .section-heading { padding-top: 20px; }
.history-section .section-heading > div:first-child { min-width: 0; }
.history-filter-label { display: flex; align-items: center; gap: 12px; margin-left: 28px; color: var(--muted); font-size: 11px; font-weight: 700; white-space: nowrap; }
.history-filter-label select { min-width: 190px; border: 1px solid var(--line); border-radius: 9px; padding: 9px 30px 9px 11px; background: var(--input-background); color: var(--ink); }
.history-list { display: grid; gap: 10px; }
.history-item { border: 1px solid var(--line); border-radius: 13px; padding: 15px 17px; background: var(--input-background); }
.history-item-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.history-item strong, .history-item span { display: block; }
.history-item span { margin-top: 5px; color: var(--muted); font-size: 11px; }
.history-item-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.history-item .secondary-button { flex: 0 0 auto; }
.history-delete-button { background: #fff1ee; color: #a84d3d; }
.history-delete-button:hover { background: #f17d62; color: #fff; }
.history-item-details { margin-top: 15px; padding-top: 13px; border-top: 1px solid var(--line); }
.history-exercises { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.history-exercises li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 11px; border-radius: 9px; background: var(--surface); }
.history-exercises li span { margin: 0; text-align: right; }
.statistics-select-label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; font-weight: 700; }
.statistics-select-label select { min-width: 190px; border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px; background: var(--input-background); color: var(--ink); }
.statistics-empty { display: grid; gap: 7px; padding: 28px 0 8px; color: var(--muted); font-size: 12px; }
.statistics-empty strong { color: var(--ink); font-size: 15px; }
.statistics-content { padding-top: 20px; }
.statistics-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.statistics-metrics div { border: 1px solid var(--line); border-radius: 12px; padding: 13px; background: var(--input-background); }
.statistics-metrics span { display: block; color: var(--muted); font-size: 10px; }
.statistics-metrics strong { display: block; margin-top: 6px; font-size: 18px; }
.statistics-chart-wrap { margin-top: 18px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--input-background); }
#statistics-chart { display: block; width: 100%; min-height: 220px; }
.chart-grid line { stroke: var(--line); stroke-width: 1; }
.chart-grid text { fill: var(--muted); font-size: 10px; }
.chart-line { fill: none; stroke: var(--mint-dark); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
#statistics-chart circle { fill: var(--coral); stroke: var(--surface); stroke-width: 3; }
.statistics-chart-note { margin: 9px 0 0; color: var(--muted); font-size: 11px; }
.stat-card-accent { background: var(--soft-coral); border-color: #f4dfd6; }
.stat-icon { display: grid; place-items: center; width: 28px; height: 28px; margin-bottom: 13px; border-radius: 8px; background: var(--soft-mint); color: var(--mint-dark); font-size: 16px; font-weight: 700; }
.stat-card-accent .stat-icon { background: #ffe5dc; color: #bd5d4b; }
.stat-card p { margin-bottom: 7px; color: var(--muted); font-size: 11px; }
.stat-card strong { display: block; margin-bottom: 4px; font: 800 25px Manrope, sans-serif; }
.stat-card small { color: var(--muted); font-size: 10px; }
.dashboard-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; }
.dashboard-grid > *, .exercise-card { min-width: 0; }
.panel-card { padding: 24px; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.panel-heading .eyebrow { color: var(--muted); margin-bottom: 8px; }
.panel-heading h2 { font-size: 20px; }
.calendar-controls { display: flex; align-items: center; gap: 12px; }
.calendar-view-toggle { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: var(--input-background); }
.calendar-view-button { border: 0; border-radius: 6px; padding: 6px 9px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 700; }
.calendar-view-button:hover, .calendar-view-button.is-active { background: var(--surface); color: var(--mint-dark); box-shadow: 0 2px 7px rgba(25, 54, 40, .08); }
.calendar-navigation { display: flex; gap: 6px; }
.icon-button { width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 9px; background: var(--input-background); color: var(--muted); transition: color .2s, background .2s, border-color .2s, transform .2s; }
.icon-button:hover { border-color: var(--mint-dark); background: var(--soft-mint); color: var(--mint-dark); transform: translateY(-1px); }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; margin-top: 25px; color: var(--muted); font-size: 10px; font-weight: 700; text-align: center; text-transform: uppercase; }
.calendar-weekdays[hidden] { display: none; }
.week-calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; margin-top: 25px; }
.calendar-weekdays + .week-calendar { margin-top: 8px; }
.calendar-day { min-height: 56px; border: 1px solid transparent; border-radius: 9px; padding: 10px 4px; background: transparent; color: var(--muted); font-size: 10px; text-align: center; transition: border-color .2s, background .2s, transform .2s; }
.calendar-day:hover { border-color: var(--mint-dark); background: var(--soft-mint); transform: translateY(-1px); }
.calendar-day strong { display: block; margin-top: 7px; color: var(--ink); font-size: 13px; }
.calendar-day.is-today { background: var(--mint); color: var(--mint-dark); }
.calendar-day.is-today strong { color: var(--mint-dark); }
.calendar-day.has-workout strong::after { display: block; width: 5px; height: 5px; margin: 7px auto 0; border-radius: 50%; background: var(--coral); content: ""; }
.month-calendar-day { min-height: 62px; border-color: var(--line); background: var(--input-background); }
.month-calendar-day span { display: none; }
.month-calendar-day.is-outside-month { opacity: .38; }
.month-calendar-day.is-today { border-color: var(--mint-dark); }
.calendar-note { margin-top: 18px; color: var(--muted); font-size: 10px; }
.calendar-dot { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--coral); }
.progress-card { position: relative; display: flex; flex-direction: column; overflow: hidden; }
.confetti { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.confetti span {
  position: absolute;
  top: 28px;
  left: 50%;
  width: 6px;
  height: 10px;
  border-radius: 2px;
  background: var(--color);
  opacity: 0;
  transform: translate(-50%, -50%);
  animation: confettiBurst 1.15s cubic-bezier(.2, .75, .35, 1) var(--delay) both;
}
.progress-value { color: var(--mint-dark); font-size: 12px; font-weight: 700; }
.progress-ring { position: relative; display: grid; place-items: center; width: 104px; height: 104px; margin: 18px auto 13px; border-radius: 50%; background: conic-gradient(var(--mint-dark) 0deg, var(--mint-dark) 0deg, #edf2ef 0deg); color: var(--ink); font-size: 13px; font-weight: 700; }
.progress-ring::before { position: absolute; width: 78px; height: 78px; border-radius: 50%; background: var(--surface); content: ""; }
.progress-ring span { position: relative; z-index: 1; }
.progress-copy { max-width: 230px; margin: 0 auto; color: var(--muted); font-size: 11px; line-height: 1.5; text-align: center; }
.progress-card.is-complete { animation: goalComplete 1.8s ease-in-out 3; }
.progress-card.is-complete .progress-ring { animation: goalRingComplete 1.4s ease-in-out 3; }
.progress-card.is-complete .progress-value { animation: goalValueComplete .8s ease-out both; }
@keyframes goalComplete {
  0%, 100% { box-shadow: var(--shadow); }
  50% { box-shadow: 0 0 0 5px rgba(31, 108, 78, .1), var(--shadow); }
}
@keyframes goalRingComplete {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
@keyframes goalValueComplete {
  0% { transform: scale(1); }
  50% { color: var(--coral); transform: scale(1.2); }
  100% { transform: scale(1); }
}
@keyframes confettiBurst {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.5) rotate(0deg); }
  12% { opacity: 1; }
  100% { opacity: 0; transform: translate(calc(-50% + var(--x)), var(--y)) rotate(var(--rotate)); }
}
@media (prefers-reduced-motion: reduce) {
  .progress-card.is-complete,
  .progress-card.is-complete .progress-ring,
  .progress-card.is-complete .progress-value { animation: none; }
  .confetti { display: none; }
}

.content { padding-top: 0; }
.content-primary { margin-top: 4px; }
.content-primary .section-heading { margin-bottom: 22px; }
.content-primary + .stats-grid { margin-top: 26px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 26px; }
.section-heading .eyebrow { color: var(--muted); }
h2 { margin-bottom: 0; font: 800 30px/1.15 Manrope, sans-serif; letter-spacing: -.03em; }
.primary-button, .secondary-button { border: 0; border-radius: 11px; padding: 13px 18px; background: var(--ink); color: white; font-size: 13px; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s; }
.primary-button:hover, .secondary-button:hover { background: var(--mint-dark); transform: translateY(-1px); }
.primary-button:focus-visible, .secondary-button:focus-visible { box-shadow: 0 0 0 4px rgba(181, 235, 208, .55); }
.primary-button span { margin-right: 5px; font-size: 18px; vertical-align: -1px; }
[data-theme="dark"] .primary-button { background: var(--mint-dark); color: #102018; }
[data-theme="dark"] .brand-logo-light { display: none; }
[data-theme="dark"] .brand-logo-dark { display: block; }
[data-theme="dark"] .welcome-card { background: linear-gradient(120deg, #286b4e 0%, #347c5c 100%); }
[data-theme="dark"] .hero-quote { color: #d9f5e5; }
[data-theme="dark"] .welcome-card::after { border-color: rgba(216, 245, 228, .18); box-shadow: 0 0 0 20px rgba(216, 245, 228, .05), 0 0 0 40px rgba(216, 245, 228, .03); }
[data-theme="dark"] .primary-button:hover { background: #c5f2d8; }

.exercise-list { display: grid; gap: 12px; }
.exercise-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.workout-card { overflow: visible; position: relative; }
.workout-card.has-library-open { z-index: 10; }
.workout-card > .exercise-details { padding-left: 22px; }
.workout-card.is-complete .workout-name { color: var(--muted); text-decoration: line-through; }
.workout-instructions { margin: 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.exercise-list-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin: 4px 0 10px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.exercise-list-count { border-radius: 999px; padding: 5px 9px; background: var(--soft-mint); color: var(--mint-dark); font-size: 10px; font-weight: 700; white-space: nowrap; }
.add-exercise-toggle { display: inline-flex; align-items: center; gap: 5px; margin: 0 0 18px; border: 1px dashed var(--mint-dark); border-radius: 10px; padding: 9px 12px; background: transparent; color: var(--mint-dark); font-size: 12px; font-weight: 700; transition: background .2s, transform .2s; }
.add-exercise-toggle:hover, .add-exercise-toggle.is-open { background: var(--soft-mint); transform: translateY(-1px); }
.add-exercise-toggle > span { font-size: 17px; line-height: 1; }
.exercise-builder { margin: 0 0 20px; border: 1px solid var(--line); border-radius: 14px; padding: 15px; background: var(--input-background); }
.exercise-builder-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 13px; }
.builder-eyebrow { margin: 0 0 4px; color: var(--mint-dark); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.builder-copy { margin: 0; color: var(--muted); font-size: 11px; }
.builder-count { border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; color: var(--muted); font-size: 10px; font-weight: 700; white-space: nowrap; }
.add-exercise-row { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(190px, 1fr) auto; align-items: end; gap: 10px; margin: 0; }
.add-exercise-row .library-search-input { height: 43px; border-color: var(--mint-dark); background: var(--soft-mint); }
.add-exercise-row .library-search-input::placeholder { color: var(--mint-dark); }
.custom-exercise-field { display: grid; gap: 5px; min-width: 0; }
.custom-exercise-field > span { color: var(--muted); font-size: 10px; font-weight: 700; }
.new-exercise-input { width: 100%; min-width: 0; height: 43px; padding: 10px 12px; }
.add-exercise-button { height: 43px; padding: 10px 14px; white-space: nowrap; }
.add-exercise-button > span { margin-right: 4px; font-size: 16px; vertical-align: -1px; }
.nested-exercise-list { display: grid; gap: 10px; margin-bottom: 18px; }
.nested-exercise-card { position: relative; box-shadow: none; transition: opacity .15s ease, border-color .15s ease, transform .15s ease; }
.nested-exercise-card.is-dragging { z-index: 2; border-color: var(--mint-dark); opacity: .55; transform: scale(.99); }
.nested-exercise-card.is-drop-target { border-color: var(--mint-dark); }
.nested-exercise-card .exercise-card-header { min-height: 66px; }
.nested-exercise-card .exercise-card-header { padding: 14px 16px; }
.nested-exercise-card .exercise-details { padding: 0 16px 16px 55px; }
.exercise-card-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; }
.exercise-title-wrap, .card-actions, .complete-toggle { display: flex; align-items: center; }
.exercise-title-wrap { gap: 15px; min-width: 0; }
.exercise-drag-handle { display: grid; flex: 0 0 44px; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 9px; background: var(--input-background); color: var(--muted); cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none; }
.exercise-drag-handle span { font-size: 22px; line-height: 1; }
.exercise-drag-handle:hover, .exercise-drag-handle:focus-visible { border-color: var(--mint-dark); background: var(--soft-mint); color: var(--mint-dark); }
.exercise-drag-handle:active { cursor: grabbing; }
.exercise-drag-handle:disabled { cursor: wait; opacity: .5; }
.exercise-drag-handle[hidden] { display: none; }
.nested-exercise-list.is-reordering { user-select: none; -webkit-user-select: none; }
.nested-exercise-list.is-reordering .nested-exercise-card { transition: none; }
.nested-exercise-list.is-reordering .nested-exercise-card.is-drop-target { box-shadow: 0 -3px 0 var(--mint-dark); }
.expand-button { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid #cbd8d0; border-radius: 9px; background: #f8fbf9; color: var(--mint-dark); transition: background .2s, border-color .2s; }
.expand-button span { width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translate(-2px, -2px); transition: transform .2s; }
.expand-button:hover { border-color: var(--mint-dark); background: var(--mint); }
.exercise-card.is-open > .exercise-card-header .expand-button span { transform: rotate(225deg) translate(-2px, -2px); }
.exercise-name { margin: 0 0 4px; font-size: 16px; }
.exercise-summary { margin: 0; color: var(--muted); font-size: 12px; }
.card-actions { gap: 18px; }
.remove-set-button { border: 0; background: transparent; color: #a6b0aa; }
.delete-button { display: inline-flex; align-items: center; gap: 6px; border: 1px solid #f1d5ce; border-radius: 8px; padding: 7px 10px; background: #fff9f7; color: #bd5d4b; font-size: 11px; font-weight: 700; }
.exercise-card:not(.is-open) .delete-button { display: none; }
.delete-button span:first-child { font-size: 18px; line-height: 12px; }
.delete-button:hover { border-color: var(--coral); background: #fff0eb; }
.remove-set-button:hover { color: var(--coral); }
.complete-toggle { position: relative; gap: 8px; color: var(--muted); font-size: 12px; font-weight: 600; }
.complete-checkbox { position: absolute; opacity: 0; }
.exercise-complete-checkbox { position: absolute; opacity: 0; }
.checkmark { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid #ccd5d0; border-radius: 7px; color: transparent; font-size: 13px; transition: .2s; }
.complete-checkbox:checked + .checkmark,
.exercise-complete-checkbox:checked + .checkmark { border-color: var(--mint-dark); background: var(--mint-dark); color: white; }
.exercise-card.is-complete .exercise-name { color: var(--muted); text-decoration: line-through; }
.exercise-details { display: none; padding: 0 22px 22px 71px; }
.exercise-card.is-open > .exercise-details { display: block; }
.instructions-block { border-top: 1px solid var(--line); padding-top: 18px; }
.instructions-block label, .sets-heading label { display: block; margin-bottom: 9px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
textarea, input { border: 1px solid var(--line); border-radius: 9px; outline: none; background: var(--input-background); color: var(--ink); }
textarea::placeholder, input::placeholder { color: #aeb8b2; opacity: 1; }
[data-theme="dark"] textarea::placeholder, [data-theme="dark"] input::placeholder { color: #71857a; }
textarea { width: 100%; padding: 11px 13px; resize: vertical; }
textarea:focus, input:focus { border-color: var(--mint-dark); box-shadow: 0 0 0 3px rgba(188, 235, 213, .35); }
textarea:disabled { cursor: not-allowed; opacity: .72; background: var(--input-background); }
.media-toolbar { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.attach-button { display: inline-flex !important; align-items: center; gap: 6px; margin: 0 !important; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; color: var(--mint-dark) !important; cursor: pointer; font-size: 11px !important; letter-spacing: 0 !important; }
.app-shell.is-user .attach-button { display: none !important; }
.app-shell.is-user .media-limit { display: none !important; }
.attach-button:hover { border-color: var(--mint-dark); background: #f1fbf5; }
.attach-button span { font-size: 17px; }
.media-input { display: none; }
.media-limit { color: var(--muted); font-size: 10px; }
.media-upload-status { display: flex; align-items: center; gap: 8px; margin-top: 9px; color: var(--muted); font-size: 11px; }
.media-upload-status[hidden] { display: none; }
.upload-spinner { width: 13px; height: 13px; border: 2px solid #cfe2d7; border-top-color: var(--mint-dark); border-radius: 50%; animation: upload-spin .75s linear infinite; }
.attach-button.is-uploading { opacity: .55; pointer-events: none; }
@keyframes upload-spin { to { transform: rotate(360deg); } }
.media-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.media-item { position: relative; overflow: hidden; width: 92px; height: 72px; border: 1px solid var(--line); border-radius: 8px; background: #f4f7f5; }
.media-item img, .media-item video { width: 100%; height: 100%; object-fit: cover; }
.media-item img { cursor: zoom-in; }
.media-item video { background: #1d2925; }
.media-remove { position: absolute; right: 4px; top: 4px; display: grid; place-items: center; width: 20px; height: 20px; border: 0; border-radius: 50%; background: rgba(29, 41, 37, .82); color: white; font-size: 15px; line-height: 1; }
.media-error { min-height: 16px; margin: 8px 0 0; color: #bd5d4b; font-size: 11px; }
.lightbox { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 40px; background: rgba(12, 20, 17, .86); }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(100%, 1100px); max-height: calc(100vh - 80px); border-radius: 10px; object-fit: contain; box-shadow: 0 20px 80px rgba(0, 0, 0, .35); }
.lightbox-close { position: absolute; top: 18px; right: 24px; border: 0; background: transparent; color: white; font-size: 34px; line-height: 1; }
.sets-heading { display: flex; align-items: center; gap: 10px; margin-top: 22px; }
.sets-list { margin-bottom: 22px; }
.exercise-metrics-switch { display: inline-flex; margin-right: auto; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--input-background); }
.metrics-mode-button { border: 0; border-radius: 7px; padding: 7px 10px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 700; white-space: nowrap; }
.metrics-mode-button:hover, .metrics-mode-button.is-active { background: var(--soft-mint); color: var(--mint-dark); }
.metrics-mode-button:disabled { cursor: not-allowed; opacity: .6; }
.add-set-button { border: 0; background: none; color: var(--mint-dark); font-size: 12px; font-weight: 700; }
.set-row { display: grid; grid-template-columns: 32px 1fr 1fr 22px; align-items: end; gap: 12px; margin-top: 9px; }
.set-number { padding-bottom: 11px; color: var(--muted); font-size: 12px; font-weight: 700; }
.set-row label span { display: block; margin: 0 0 5px; color: var(--muted); font-size: 10px; }
.set-row input { width: 100%; padding: 9px 10px; color: var(--ink); font-weight: 600; }
.weight-field { position: relative; }
.weight-field .weight-input { padding-right: 38px; }
.unit-toggle { position: absolute; right: 7px; bottom: 7px; border: 0; border-radius: 5px; padding: 3px 5px; background: var(--soft-mint); color: var(--mint-dark); font-size: 10px; font-weight: 700; line-height: 1; }
.unit-toggle:hover { background: var(--mint); }
.remove-set-button { padding: 0 0 10px; font-size: 20px; }

.empty-state { margin-top: 18px; padding: 65px 20px; border: 1px dashed #ccd8d0; border-radius: 15px; text-align: center; }
.empty-icon { display: grid; place-items: center; width: 46px; height: 46px; margin: 0 auto 16px; border-radius: 14px; background: var(--soft-mint); color: var(--mint-dark); font-size: 24px; }
.empty-state h3 { margin-bottom: 8px; font: 700 18px Manrope, sans-serif; }
.empty-state p { max-width: 330px; margin: 0 auto 20px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.secondary-button { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }

.modal-backdrop { position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; padding: 20px; background: rgba(20, 33, 27, .42); }
.modal-backdrop[hidden] { display: none; }
.modal { position: relative; width: min(100%, 500px); max-height: calc(100vh - 40px); overflow-y: auto; padding: 34px; border-radius: 18px; background: var(--card-background); box-shadow: 0 20px 70px rgba(10, 25, 18, .2); }
.modal .eyebrow { color: var(--muted); }
.modal h2 { margin-bottom: 26px; font-size: 25px; }
.modal label { display: block; margin: 17px 0 7px; font-size: 12px; font-weight: 700; }
.modal label span { color: var(--muted); font-weight: 400; }
.modal input, .modal textarea { width: 100%; padding: 12px; }
.modal-close { position: absolute; right: 20px; top: 17px; border: 0; background: none; color: var(--muted); font-size: 25px; }
.edit-workout-button { padding: 5px 0; }
.admin-panel-copy { margin: -12px 0 20px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.trainees-list { display: grid; gap: 10px; }
.trainee-card { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 13px; background: var(--input-background); color: var(--ink); text-align: left; cursor: pointer; }
.trainee-card:hover { border-color: var(--mint-dark); background: var(--soft-mint); }
.trainee-card span { color: var(--muted); font-size: 12px; }
.template-form { display: grid; gap: 8px; margin-bottom: 24px; }
.template-form label { font-size: 12px; font-weight: 700; }
.template-form input, .template-form textarea { width: 100%; padding: 10px 12px; }
.library-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 24px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.library-toolbar .admin-panel-copy { max-width: 560px; margin: 0; }
.library-add-button { flex: 0 0 auto; margin: 0; }
.library-media-toolbar { display: flex; align-items: center; gap: 12px; margin-top: 4px; }
.library-create-modal .media-upload-status { margin-top: 4px; }
.library-list { display: grid; gap: 12px; }
.library-item { display: flex; align-items: center; justify-content: space-between; gap: 20px; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; background: var(--surface); transition: border-color .2s, box-shadow .2s, transform .2s; }
.library-item:hover { border-color: rgba(18, 96, 68, .3); box-shadow: var(--shadow); transform: translateY(-1px); }
.library-item-content { min-width: 0; flex: 1; }
.library-item-content strong { display: block; font: 700 15px Manrope, sans-serif; }
.library-item p { max-width: 680px; margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.library-item-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.library-item-actions .delete-button { display: inline-flex; }
.library-empty { padding: 44px 24px; border: 1px dashed #c9d8ce; border-radius: 14px; background: var(--input-background); text-align: center; }
.library-empty strong { font: 700 16px Manrope, sans-serif; }
.library-empty p { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.modal-context { margin: -14px 0 20px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.assignee-field { padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--soft-mint); }
.assignee-field label { margin: 0 0 4px; color: var(--mint-dark); font-size: 12px; }
.field-hint { display: block; margin-bottom: 10px; color: var(--muted); font-size: 11px; }
.assignee-field select { width: 100%; border: 1px solid rgba(18, 96, 68, .24); border-radius: 9px; padding: 11px 12px; background: var(--surface); color: var(--ink); }
.library-media-label { margin: 4px 0 8px; width: fit-content; }
.library-media-label input { display: none; }
.library-preview { display: block; width: 58px; height: 42px; margin-top: 6px; border-radius: 6px; object-fit: cover; }
.library-search-input { min-width: 220px; }
.library-picker { position: relative; display: flex; flex: 0 1 290px; height: 44px; }
.library-picker[hidden] { display: none; }
.library-picker .library-search-input { width: 100%; }
.library-picker-toggle { flex: 0 0 40px; border: 1px solid var(--mint-dark); border-left: 0; border-radius: 0 8px 8px 0; background: var(--soft-mint); color: var(--mint-dark); font-size: 19px; line-height: 1; cursor: pointer; }
.library-picker-toggle:hover, .library-picker-toggle[aria-expanded="true"] { background: var(--mint); }
.library-picker .library-search-input { border-radius: 8px 0 0 8px; }
.library-picker:focus-within .library-picker-toggle { border-color: var(--mint-dark); }
.library-picker-options { position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 4; max-height: 220px; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--card-background); box-shadow: var(--shadow); }
.library-picker-options[hidden] { display: none; }
.library-picker-option { display: flex; align-items: center; gap: 9px; width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 10px 12px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.library-picker-option:last-child { border-bottom: 0; }
.library-picker-option:hover { background: var(--soft-mint); color: var(--mint-dark); }
.library-picker-option.is-selected { background: var(--soft-mint); color: var(--mint-dark); font-weight: 700; }
.library-option-check { display: grid; flex: 0 0 18px; place-items: center; width: 18px; height: 18px; border: 1px solid var(--line); border-radius: 5px; color: transparent; font-size: 11px; }
.library-picker-option.is-selected .library-option-check { border-color: var(--mint-dark); background: var(--mint-dark); color: white; }
.selected-library-exercises { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.selected-library-exercises[hidden] { display: none; }
.selected-library-label { margin-right: 3px; color: var(--muted); font-size: 10px; font-weight: 700; }
.selected-library-chip { border: 1px solid rgba(18, 96, 68, .25); border-radius: 999px; padding: 5px 9px; background: var(--soft-mint); color: var(--mint-dark); font-size: 10px; font-weight: 700; }
.selected-library-chip::after { content: " ×"; color: var(--muted); font-size: 13px; }
.modal-actions { display: flex; align-items: center; justify-content: flex-end; gap: 16px; margin-top: 27px; }
.text-button { border: 0; background: none; color: var(--muted); font-size: 13px; font-weight: 600; }
.text-button:hover { color: var(--mint-dark); }
:focus-visible { outline: 3px solid rgba(18, 96, 68, .32); outline-offset: 2px; }

@media (max-width: 900px) {
  .main-nav { gap: 16px; }
  .topbar-actions { gap: 10px; }
  .save-status { display: none; }
  .welcome-card { padding: 40px; }
  .hero-decoration { right: 35px; opacity: .55; }
}

[data-theme="dark"] .stat-card-accent { border-color: #65463d; }
[data-theme="dark"] .stat-card-accent .stat-icon { background: #59372f; color: #ffad98; }
[data-theme="dark"] .expand-button { border-color: var(--line); background: var(--input-background); }
[data-theme="dark"] .delete-button { border-color: #65463d; background: #30211e; }
[data-theme="dark"] .delete-button:hover { background: #4a2922; }
[data-theme="dark"] .checkmark { border-color: var(--line); }
[data-theme="dark"] .media-item { background: var(--input-background); }
[data-theme="dark"] .empty-state { border-color: var(--line); }

@media (max-width: 650px) {
  .app-shell { padding: 0 17px 50px; }
  .topbar { position: relative; height: 70px; gap: 12px; }
  .brand { min-width: 0; }
  .brand > .brand-lockup { overflow: hidden; }
  .brand > .brand-lockup .brand-logo { width: 114px; height: 45px; }
  .menu-toggle { display: grid; flex: 0 0 36px; place-items: center; gap: 4px; width: 36px; height: 36px; margin-left: auto; padding: 8px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
  .menu-toggle span { display: block; width: 17px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { position: absolute; top: 62px; right: 0; z-index: 5; display: none; flex-direction: column; align-items: stretch; gap: 0; width: min(210px, calc(100vw - 34px)); padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--card-background); box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .nav-link { padding: 11px 12px; border-radius: 7px; }
  .nav-link:hover, .nav-link.is-active { background: var(--soft-mint); }
  .save-status { display: none; }
  .topbar-actions { gap: 8px; }
  .theme-toggle { width: 36px; height: 36px; justify-content: center; padding: 0; border-radius: 9px; }
  .theme-toggle-label { display: none; }
  .auth-card { padding: 28px 22px; }
  .welcome-card { display: flex; align-items: center; min-height: 0; height: 54px; padding: 0 18px; border-radius: 14px; box-shadow: none; }
  .welcome-card > div:first-child { display: flex; align-items: center; }
  .welcome-card .eyebrow { margin: 0; font-size: 10px; letter-spacing: .13em; }
  .welcome-card h1, .welcome-card .hero-quote, .welcome-card .hero-decoration { display: none; }
  .welcome-card::after { right: -30px; bottom: -60px; width: 160px; height: 100px; opacity: .45; }
  h1 { font-size: 34px; max-width: 280px; }
  .hero-quote { max-width: 330px; font-size: 14px; line-height: 1.5; }
  .quote-mark { font-size: 40px; }
  .hero-decoration { right: -30px; top: 95px; opacity: .35; transform: scale(.75) rotate(-10deg); }
  .stats-grid, .dashboard-grid { grid-template-columns: 1fr; }
  .statistics-metrics { grid-template-columns: 1fr; }
  .statistics-select-label { align-items: stretch; flex-direction: column; }
  .statistics-select-label select { min-width: 0; }
  .history-filter-label { align-items: stretch; flex-direction: column; margin-left: 0; }
  .history-filter-label select { min-width: 0; }
  .history-item-header { align-items: stretch; flex-direction: column; }
  .history-item-actions { flex-direction: column; }
  .history-item-actions .secondary-button { width: 100%; }
  .history-exercises li { align-items: flex-start; flex-direction: column; }
  .history-exercises li span { text-align: left; }
  .stat-card { min-height: 112px; }
  .stat-icon { float: left; margin: 0 13px 0 0; }
  .week-calendar { gap: 2px; }
  .calendar-controls { align-items: flex-end; flex-direction: column; gap: 8px; }
  .calendar-view-toggle { align-self: flex-end; }
  .calendar-weekdays { gap: 2px; }
  .month-calendar-day { min-height: 48px; padding: 7px 2px; }
  .panel-card { width: 100%; min-width: 0; padding: 18px; }
  .history-section.content { padding-top: 18px; }
  .content { padding-top: 42px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 18px; }
  .exercise-card-header { align-items: flex-start; padding: 17px; }
  .exercise-title-wrap { min-width: 0; flex: 1 1 auto; gap: 8px; }
  .exercise-title-wrap > div { min-width: 0; }
  .exercise-name { overflow-wrap: anywhere; }
  .card-actions { flex-direction: column-reverse; align-items: flex-end; gap: 9px; }
  .complete-label, .delete-button > span:last-child { display: none; }
  .exercise-details { padding: 0 17px 18px 17px; }
  .nested-exercise-card .exercise-details { padding: 0 17px 18px; }
  .exercise-builder { padding: 13px; }
  .exercise-builder-heading { flex-direction: column; gap: 7px; }
  .exercise-list-heading { align-items: flex-start; }
  .add-exercise-toggle { width: 100%; justify-content: center; }
  .add-exercise-row { grid-template-columns: 1fr; }
  .add-exercise-button { width: 100%; }
  .set-row { grid-template-columns: 20px minmax(0, 1fr) minmax(0, 1fr) 18px; gap: 6px; }
  .set-row label { min-width: 0; }
  .sets-heading { align-items: stretch; flex-direction: column; gap: 9px; }
  .exercise-metrics-switch { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; margin-right: 0; }
  .metrics-mode-button { min-width: 0; padding: 7px 4px; font-size: 9px; }
  .add-set-button { align-self: flex-start; }
  .modal-backdrop { padding: 12px; }
  .modal { width: 100%; max-height: calc(100vh - 24px); padding: 28px 20px 20px; }
  .modal-actions { flex-wrap: wrap; }
  .library-toolbar { align-items: stretch; flex-direction: column; gap: 16px; }
  .library-add-button { width: 100%; }
  .library-item { align-items: flex-start; flex-direction: column; gap: 14px; }
  .library-item-actions { width: 100%; justify-content: flex-end; }
  .lightbox { padding: 20px; }
  .lightbox img { max-height: calc(100vh - 40px); }
}