:root {
  color-scheme: dark;
  --bg: #080a0a;
  --panel: #111515;
  --panel-2: #171c1b;
  --line: #2a312f;
  --ink: #f8faf9;
  --muted: #8e9995;
  --acid: #b7ff35;
  --acid-deep: #5f8f0c;
  --danger: #ff5959;
  --radius: 18px;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 4%, rgba(183,255,53,.12), transparent 24rem),
    linear-gradient(180deg, #0c0f0f 0%, #070909 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app-shell {
  width: min(100%, 780px);
  margin: 0 auto;
  padding: max(32px, env(safe-area-inset-top)) 18px max(44px, env(safe-area-inset-bottom));
}

.topbar { margin: 8px 2px 32px; }
.kicker {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 9px;
}
.kicker span { width: 22px; height: 3px; border-radius: 4px; background: var(--acid); box-shadow: 0 0 14px rgba(183,255,53,.55); }
h1 {
  margin: 13px 0 8px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(3.2rem, 15vw, 6.4rem);
  font-weight: 900;
  line-height: .77;
  letter-spacing: -.025em;
}
h1 strong { color: var(--acid); font-weight: inherit; }
.topbar p { margin: 18px 0 0; color: var(--muted); font-size: .9rem; font-weight: 650; }
.topbar p span { color: var(--ink); }

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 2px 14px;
}
.section-heading h2 {
  margin: 0;
  font-size: .85rem;
  letter-spacing: .13em;
  font-weight: 900;
}
.section-number {
  color: var(--muted);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.exercise-heading { margin-top: 31px; }

.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 10px;
}
.format-button {
  min-width: 0;
  min-height: 68px;
  border: 1px solid #ff7777;
  border-radius: 13px;
  padding: 11px 5px;
  background: linear-gradient(145deg, #f25555, #af2929);
  color: #fff;
  box-shadow:
    0 6px 0 #641313,
    0 9px 19px rgba(122, 14, 14, .24),
    inset 0 1px 0 rgba(255,255,255,.3);
  display: grid;
  place-items: center;
  font-size: clamp(.72rem, 3vw, .88rem);
  font-weight: 950;
  letter-spacing: .045em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .09s ease, box-shadow .09s ease, filter .15s ease;
}
.format-button:hover { filter: brightness(1.08); }
.format-button:active, .format-button.pressed {
  transform: translateY(6px);
  box-shadow: 0 0 0 #641313, 0 2px 5px rgba(0,0,0,.3), inset 0 2px 5px rgba(70,0,0,.3);
}
.format-button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px 10px;
}

.exercise-button {
  position: relative;
  min-width: 0;
  min-height: 82px;
  border: 1px solid #333b39;
  border-radius: 14px;
  padding: 12px 6px 11px;
  background: linear-gradient(145deg, #202624, #121615);
  color: var(--ink);
  box-shadow:
    0 6px 0 #050606,
    0 8px 13px rgba(0,0,0,.42),
    inset 0 1px 0 rgba(255,255,255,.09);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  transform: translateY(0);
  transition: transform .09s ease, box-shadow .09s ease, border-color .16s ease, background .16s ease;
}

.exercise-button .name {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: clamp(.7rem, 3vw, .84rem);
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .015em;
}
.exercise-button:hover { border-color: #5b695f; background: linear-gradient(145deg, #262d2a, #151918); }
.exercise-button:active, .exercise-button.pressed {
  transform: translateY(6px);
  box-shadow: 0 0 0 #050606, 0 2px 5px rgba(0,0,0,.3), inset 0 2px 5px rgba(0,0,0,.28);
}
.exercise-button:focus-visible, .add-button:focus-visible, .action:focus-visible, .icon-button:focus-visible { outline: 3px solid var(--acid); outline-offset: 3px; }

.modal-card.format-view { border-color: rgba(255,89,89,.5); }

.modal-card.format-view .modal-label { color: #ff6c6c; }
.modal-actions.format-actions { grid-template-columns: 1fr; }
.modal-actions.format-actions .danger,
.modal-actions.format-actions .primary { display: none; }

.add-button {
  width: 100%;
  min-height: 76px;
  margin-top: 28px;
  border: 1px solid #d4ff87;
  border-radius: 16px;
  background: var(--acid);
  color: #11180a;
  box-shadow: 0 7px 0 var(--acid-deep), 0 12px 30px rgba(120,181,13,.18), inset 0 1px 0 rgba(255,255,255,.7);
  font-weight: 950;
  letter-spacing: .08em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: transform .09s ease, box-shadow .09s ease;
}
.add-button .plus { font-size: 1.55rem; line-height: 1; }
.add-button:active { transform: translateY(7px); box-shadow: 0 0 0 var(--acid-deep), 0 3px 8px rgba(120,181,13,.15); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  align-items: end;
  padding: 16px;
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility .2s ease;
}
.modal-backdrop.open { opacity: 1; visibility: visible; }
.modal-card {
  position: relative;
  width: min(100%, 560px);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  margin: 0 auto;
  border: 1px solid #303835;
  border-radius: 26px;
  padding: 22px;
  background: linear-gradient(150deg, #1a201e, #0d1010 72%);
  box-shadow: 0 30px 80px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.08);
  transform: translateY(35px) scale(.98);
  transition: transform .22s cubic-bezier(.2,.85,.3,1);
}
.open .modal-card { transform: translateY(0) scale(1); }
.close-x {
  position: absolute;
  right: 16px;
  top: 16px;
  z-index: 2;
}
.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid #39413f;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  color: var(--ink);
  font-size: 1.45rem;
  cursor: pointer;
}

.modal-copy { padding: 23px 2px 8px; }
.modal-label { color: var(--acid); font-size: .7rem; font-weight: 900; letter-spacing: .18em; }
.modal-copy h2, .confirm-card h2 { margin: 7px 0 10px; font-size: clamp(1.8rem, 7vw, 2.7rem); line-height: 1.02; text-transform: uppercase; }
.modal-copy p, .confirm-card p { margin: 0; color: #b4bdb9; line-height: 1.55; font-size: 1rem; }
.modal-actions, .form-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 20px; }
.action {
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px;
  font-weight: 850;
  cursor: pointer;
}
.action.primary { background: var(--acid); color: #11180a; }
.action.secondary { border-color: #414b47; background: #1d2321; color: var(--ink); }
.action.danger { border-color: rgba(255,89,89,.45); background: rgba(255,89,89,.08); color: #ff8888; }
.action.danger.filled { background: var(--danger); color: #180505; }
.action:active { transform: scale(.97); }

.form-card { padding-top: 28px; }
form { display: grid; gap: 16px; margin-top: 14px; }
label { display: grid; gap: 8px; color: #dfe4e2; font-size: .84rem; font-weight: 800; }
input, textarea {
  width: 100%;
  border: 1px solid #38413e;
  border-radius: 12px;
  padding: 14px;
  background: #090c0b;
  color: var(--ink);
  font-size: 1rem;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--acid); box-shadow: 0 0 0 3px rgba(183,255,53,.1); }
textarea { resize: vertical; min-height: 122px; }
.form-actions { grid-template-columns: 1fr 1fr; }
.confirm-card { text-align: center; padding: 30px 22px 22px; align-self: center; }
.confirm-card .form-actions { grid-template-columns: 1fr 1fr; }
.warning-icon { width: 58px; height: 58px; margin: 0 auto 17px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,89,89,.12); color: var(--danger); font-size: 1.8rem; font-weight: 900; }

.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translate(-50%, 20px);
  padding: 12px 18px;
  border: 1px solid #3a443f;
  border-radius: 999px;
  background: #1b211f;
  color: white;
  box-shadow: 0 12px 35px rgba(0,0,0,.45);
  font-size: .88rem;
  font-weight: 750;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 620px) {
  .app-shell { padding-left: 28px; padding-right: 28px; }
  .exercise-grid { gap: 17px; }
  .exercise-button { min-height: 100px; }
  
  .modal-backdrop { align-items: center; }
}

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

/* Categories share the same tactile key shape. */
[data-category="GYM"] { --category-color: #86d8ff; --category-face: #204d63; --category-base: #0b2e40; }
[data-category="HALTERO"] { --category-color: #ffe16a; --category-face: #5b4b1e; --category-base: #332909; }
[data-category="CARDIO"] { --category-color: #82ed9d; --category-face: #234e30; --category-base: #0d2c18; }
[data-category="MUSCU"] { --category-color: #d4acff; --category-face: #453057; --category-base: #271435; }
.category-section { margin-top: 24px; }
.category-section:first-child { margin-top: 0; }
.category-section h3 { color: var(--category-color); margin: 0 2px 13px; font-size: .95rem; letter-spacing: .1em; }
.exercise-button { border-color: var(--category-color); background: linear-gradient(145deg, var(--category-face), #151918); color: var(--category-color); box-shadow: 0 6px 0 var(--category-base), 0 8px 13px #0006, inset 0 1px 0 #ffffff20; }
.exercise-button:hover { border-color: var(--category-color); background: var(--category-face); }
.exercise-button .name { white-space: normal; overflow: visible; overflow-wrap: anywhere; font-size: .875rem; line-height: 1.3; }
.modal-card[data-category] .modal-label { color: var(--category-color, var(--acid)); }
.modal-copy { padding-top: 34px; }
.modal-copy h2 { overflow-wrap: anywhere; }
select { font: inherit; width: 100%; border: 1px solid #38413e; border-radius: 12px; padding: 14px; background: #090c0b; color: var(--ink); font-size: 1rem; }
select:focus { outline: 2px solid var(--acid); outline-offset: 2px; }

/* Same dimensions and lettering for workout and movement keys. */
.formats-grid, .exercise-grid { gap: 12px 10px; grid-auto-rows: minmax(68px, auto); }
.format-button, .exercise-button {
  min-height: 68px;
  border-radius: 13px;
  padding: 11px 5px;
  display: grid;
  place-items: center;
  gap: 0;
  font-size: clamp(.72rem, 3vw, .88rem);
  font-weight: 950;
  letter-spacing: .045em;
  line-height: 1.3;
  color: #fff;
}
.exercise-button .name { font-size: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; }
[data-category="GYM"] { --key-top: #3596c3; --key-bottom: #206386; }
[data-category="HALTERO"] { --key-top: #ae8b1c; --key-bottom: #806016; }
[data-category="CARDIO"] { --key-top: #349653; --key-bottom: #226a3b; }
[data-category="MUSCU"] { --key-top: #9862c3; --key-bottom: #673b90; }
.exercise-button {
  background: linear-gradient(145deg, var(--key-top), var(--key-bottom));
  box-shadow: 0 6px 0 var(--category-base), 0 9px 19px #0004, inset 0 1px 0 #ffffff4d;
}
.exercise-button:hover { background: linear-gradient(145deg, var(--key-top), var(--key-bottom)); filter: brightness(1.08); }
.exercise-button:active, .exercise-button.pressed { transform: translateY(6px); box-shadow: 0 0 0 var(--category-base), 0 2px 5px #0005, inset 0 2px 5px #0005; }