:root {
  --bg: #0d1014;
  --bg-2: #141922;
  --card: #171d27;
  --card-2: #1e2634;
  --line: #26303f;
  --txt: #e8edf5;
  --txt-2: #94a3b8;
  --txt-3: #64748b;
  --accent: #ff6b35;
  --accent-dim: #b8461f;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-bottom: calc(72px + var(--safe-b));
  overscroll-behavior-y: contain;
}

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
button { font: inherit; cursor: pointer; }
input, select { font: inherit; }
a { color: var(--accent); }

.hidden { display: none !important; }

/* ---------------------------------------------------------------- structure */
header.top {
  position: sticky; top: 0; z-index: 30;
  background: rgba(13, 16, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
}
header.top .title { font-size: 17px; font-weight: 700; }
header.top .sub { font-size: 12px; color: var(--txt-2); margin-top: 1px; }
header.top .spacer { flex: 1; }

main { padding: 16px; max-width: 720px; margin: 0 auto; }

nav.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: rgba(20, 25, 34, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding-bottom: var(--safe-b);
}
nav.tabs button {
  background: none; border: 0; color: var(--txt-3);
  padding: 9px 2px 10px; display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.01em;
}
nav.tabs button svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 1.9; }
nav.tabs button.on { color: var(--accent); }

/* -------------------------------------------------------------------- cartes */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 14px;
}
.card-pad { padding: 14px 16px; }

.banner {
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #1f2937, #171d27);
  border: 1px solid var(--line);
}
.banner.rest { background: linear-gradient(135deg, #1c2434, #151a23); }
.banner .eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--accent); font-weight: 700; }
.banner h2 { font-size: 24px; margin: 6px 0 4px; }
.banner .meta { color: var(--txt-2); font-size: 13px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip {
  font-size: 11.5px; font-weight: 600; padding: 4px 9px; border-radius: 999px;
  background: var(--card-2); color: var(--txt-2); border: 1px solid var(--line);
}
.chip.ok { color: var(--ok); border-color: #14532d; background: #0d2a1e; }
.chip.warn { color: var(--warn); border-color: #4a3a10; background: #2a2110; }
.chip.bad { color: var(--bad); border-color: #4c1d1d; background: #2b1414; }
.chip.accent { color: var(--accent); border-color: var(--accent-dim); background: #2a1610; }

/* ------------------------------------------------------------------ boutons */
.btn {
  border: 1px solid var(--line); background: var(--card-2); color: var(--txt);
  border-radius: 11px; padding: 11px 16px; font-weight: 650; font-size: 14.5px;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
}
.btn:active { transform: scale(0.985); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #16100c; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--bad); border-color: #4c1d1d; }
.btn.wide { width: 100%; }
.btn.sm { padding: 7px 11px; font-size: 13px; border-radius: 9px; }
.btn:disabled { opacity: 0.45; }
.btn-row { display: flex; gap: 9px; }
.btn-row > * { flex: 1; }

/* ------------------------------------------------------------- exercice */
.ex { }
.ex-head { display: flex; gap: 12px; padding: 12px 14px; align-items: flex-start; }
.ex-thumb {
  width: 84px; height: 84px; flex: none; border-radius: 10px; object-fit: cover;
  background: var(--card-2); border: 1px solid var(--line);
}
.ex-title { font-size: 15.5px; font-weight: 680; line-height: 1.25; }
.ex-spec { font-size: 12.5px; color: var(--txt-2); margin-top: 4px; }
.ex-note { font-size: 11.5px; color: var(--warn); margin-top: 3px; }
.ex-num {
  font-size: 11px; font-weight: 700; color: var(--txt-3);
  letter-spacing: 0.06em; text-transform: uppercase;
}

.sets { border-top: 1px solid var(--line); }
.set-row {
  display: grid; grid-template-columns: 34px 1fr 1fr 44px; gap: 8px;
  align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--line);
}
.set-row:last-child { border-bottom: 0; }
.set-row.done { background: rgba(52, 211, 153, 0.055); }
.set-n { font-size: 12px; font-weight: 700; color: var(--txt-3); text-align: center; }
.set-target { font-size: 10.5px; color: var(--txt-3); display: block; font-weight: 500; }

.field { position: relative; }
.field input {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line); color: var(--txt);
  border-radius: 9px; padding: 9px 26px 9px 10px; font-size: 16px; font-weight: 620;
  text-align: center; -moz-appearance: textfield;
}
.field input::-webkit-outer-spin-button, .field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.field input:focus { outline: none; border-color: var(--accent); }
.field .unit {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-size: 10.5px; color: var(--txt-3); pointer-events: none; font-weight: 600;
}
.check {
  width: 40px; height: 38px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--txt-3); display: grid; place-items: center; padding: 0;
}
.check.on { background: var(--ok); border-color: var(--ok); color: #06281c; }
.check svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 3; }

.ex-foot {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  padding: 9px 14px; border-top: 1px solid var(--line); background: var(--bg-2);
  font-size: 11.5px; color: var(--txt-2);
}
.ex-foot b { color: var(--txt); font-weight: 650; }

/* ----------------------------------------------------------------- listes */
.row {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.row:last-child { border-bottom: 0; }
.row .grow { flex: 1; min-width: 0; }
.row .name { font-weight: 620; font-size: 14.5px; }
.row .sub { font-size: 12px; color: var(--txt-2); margin-top: 2px; }
.row .val { font-weight: 700; font-size: 15px; text-align: right; white-space: nowrap; }
.row .val small { display: block; font-size: 11px; color: var(--txt-3); font-weight: 500; }
.row img { width: 46px; height: 46px; border-radius: 8px; object-fit: cover; background: var(--card-2); flex: none; }

.section-title {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--txt-3); font-weight: 700; margin: 22px 0 9px;
}
.section-title:first-child { margin-top: 0; }

/* -------------------------------------------------------------- programme */
.wk { margin-bottom: 12px; }
.wk-head {
  display: flex; align-items: center; gap: 9px; padding: 11px 14px;
  background: var(--card-2); border-bottom: 1px solid var(--line);
}
.wk-head .n { font-weight: 700; font-size: 14.5px; }
.wk-head .f { font-size: 11px; color: var(--txt-2); }
.day-row { display: flex; align-items: center; gap: 11px; padding: 11px 14px; border-bottom: 1px solid var(--line); width: 100%; background: none; border-left: 0; border-right: 0; border-top: 0; color: inherit; text-align: left; }
.day-row:last-child { border-bottom: 0; }
.day-badge {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  font-size: 12px; font-weight: 700; background: var(--bg-2); color: var(--txt-3);
  border: 1px solid var(--line); flex: none;
}
.day-badge.done { background: var(--ok); color: #06281c; border-color: var(--ok); }
.day-badge.now { background: var(--accent); color: #16100c; border-color: var(--accent); }

/* ------------------------------------------------------------------ login */
.auth-wrap { max-width: 380px; margin: 12vh auto 0; padding: 0 20px; }
.auth-logo { text-align: center; margin-bottom: 26px; }
.auth-logo .mark { font-size: 40px; }
.auth-logo h1 { font-size: 25px; margin-top: 8px; }
.auth-logo p { color: var(--txt-2); font-size: 13.5px; margin: 6px 0 0; }
label.lbl { display: block; font-size: 12px; font-weight: 650; color: var(--txt-2); margin: 0 0 6px; }
.inp {
  width: 100%; background: var(--card); border: 1px solid var(--line); color: var(--txt);
  border-radius: 11px; padding: 12px 14px; font-size: 16px; margin-bottom: 14px;
}
.inp:focus { outline: none; border-color: var(--accent); }
.err { color: var(--bad); font-size: 13px; margin-bottom: 12px; min-height: 18px; }

/* ------------------------------------------------------------------ divers */
.empty { text-align: center; color: var(--txt-3); padding: 36px 20px; font-size: 14px; }
.toast {
  position: fixed; left: 50%; bottom: calc(84px + var(--safe-b)); transform: translateX(-50%);
  background: var(--card-2); border: 1px solid var(--line); color: var(--txt);
  padding: 10px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  z-index: 60; box-shadow: 0 8px 24px rgba(0,0,0,0.5); opacity: 0; pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }
.toast.pr { background: var(--accent); border-color: var(--accent); color: #16100c; }

.modal-back {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65); z-index: 70;
  display: flex; align-items: flex-end; justify-content: center;
}
.modal {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px 18px 0 0;
  width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto;
  padding: 18px 18px calc(20px + var(--safe-b));
}
.modal h3 { font-size: 17px; margin-bottom: 4px; }
.modal .close { float: right; background: none; border: 0; color: var(--txt-3); font-size: 22px; line-height: 1; padding: 0 4px; }
.modal img.big { width: 100%; border-radius: 12px; margin: 12px 0; background: var(--card-2); }

.progress { height: 5px; background: var(--card-2); border-radius: 99px; overflow: hidden; margin-top: 12px; }
.progress > i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }

@media (min-width: 640px) {
  .set-row { grid-template-columns: 46px 1fr 1fr 52px; }
  .ex-thumb { width: 104px; height: 104px; }
}