:root {
  --bg: #f6f3ee; --card: #ffffff; --ink: #1d2433; --muted: #5d6677; --line: #e4dfd6;
  --brand: #f07c1a; --brand-ink: #ffffff; --brand-dark: #c2410c; --navy: #1f3a5f;
  --ok: #1f8a4c; --ok-bg: #e8f6ee; --warn: #9a5b00; --warn-bg: #fff3dc; --bad: #b42318; --bad-bg: #fdecea;
  --radius: 14px; --shadow: 0 1px 2px rgba(20, 24, 40, .06), 0 6px 18px rgba(20, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161f; --card: #1b2130; --ink: #eef1f6; --muted: #a3acbd; --line: #2b3346;
    --brand: #ff8f33; --brand-dark: #ffb26b; --navy: #9cc0ef;
    --ok: #5ad08f; --ok-bg: #133524; --warn: #ffc56b; --warn-bg: #3a2c12; --bad: #ff8a80; --bad-bg: #3a1714;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--brand-dark); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }

.hero { background: linear-gradient(135deg, var(--navy), #2c5282); color: #fff; padding: 28px 16px 34px; }
@media (prefers-color-scheme: dark) { .hero { background: linear-gradient(135deg, #1a2c47, #24406a); } }
.hero .wrap { padding-bottom: 0; }
.hero h1 { margin: 0; font-size: 28px; letter-spacing: -.01em; display: flex; align-items: center; gap: 10px; }
.hero p { margin: 6px 0 0; opacity: .9; }
.ball { font-size: 32px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-top: 16px; }
.gym-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.gym-title { font-size: 19px; font-weight: 700; margin: 0; }
.gym-when { font-weight: 600; color: var(--navy); margin-top: 2px; }
.gym-meta { color: var(--muted); margin-top: 4px; }
.gym-notes { margin-top: 8px; white-space: pre-wrap; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; margin-top: 12px; }
.bar > span { display: block; height: 100%; background: var(--brand); }
.names { color: var(--muted); font-size: 14px; margin-top: 8px; }

button, .btn { font: inherit; font-weight: 600; border: 0; border-radius: 10px; padding: 11px 18px; cursor: pointer; background: var(--brand); color: var(--brand-ink); text-decoration: none; display: inline-block; }
button:hover, .btn:hover { filter: brightness(1.05); }
button:disabled { opacity: .6; cursor: default; }
button.ghost, .btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.danger { background: var(--bad); color: #fff; }
button.small { padding: 6px 12px; font-size: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }

form.signup { margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 14px; display: grid; gap: 10px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }
label { display: grid; gap: 4px; font-size: 14px; font-weight: 600; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: transparent; }
textarea { min-height: 80px; resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.msg { margin-top: 12px; padding: 10px 12px; border-radius: 10px; }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.msg.bad { background: var(--bad-bg); color: var(--bad); }
.msg.warn { background: var(--warn-bg); color: var(--warn); }
.empty { text-align: center; color: var(--muted); padding: 34px 10px; }
.foot { text-align: center; color: var(--muted); font-size: 13px; margin-top: 28px; }
.foot a { color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.tablewrap { overflow-x: auto; }
.tabs { display: flex; gap: 6px; margin-top: 16px; }
.tabs button { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.tabs button.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.muted { color: var(--muted); }
h2 { font-size: 18px; margin: 0 0 10px; }
.hidden { display: none !important; }