:root{--bg:#f3f5f2;--card:#fff;--ink:#132118;--muted:#6b746e;--line:#dfe5df;--green:#1f8f5f;--green2:#e7f4ed;--dark:#25352b;--shadow:0 12px 28px rgba(20,33,24,.08)}*{box-sizing:border-box}html,body{margin:0;font-family:'DM Sans',system-ui,sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}select,input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;color:var(--ink);font-size:16px}select option{font-size:17px;padding:12px}.app-shell{max-width:520px;margin:0 auto;min-height:100dvh;background:linear-gradient(180deg,#fbfcfa 0%,#f2f5f1 100%)}.screen{display:none;padding:18px}.screen.active{display:block}.center-screen{min-height:100dvh;display:none;align-items:center;justify-content:center;flex-direction:column;text-align:center}.center-screen.active{display:flex}.brand-logo{width:86px;height:86px;margin-bottom:16px}h1,h2,h3,p{margin-top:0}.muted{color:var(--muted)}.tiny{font-size:12px;color:var(--muted)}.button-stack{display:grid;gap:12px;width:100%;max-width:330px}.primary-btn,.secondary-btn,.icon-btn,.back-btn{border:0;border-radius:999px;padding:14px 18px;font-weight:800;cursor:pointer}.primary-btn{background:var(--green);color:white;box-shadow:0 8px 20px rgba(31,143,95,.22)}.secondary-btn{background:var(--green2);color:var(--green)}.icon-btn,.back-btn{background:#eef3ed;color:var(--dark);padding:10px 14px}.full{width:100%;margin-top:14px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-header.compact{justify-content:flex-start;gap:12px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--green);font-size:12px;font-weight:800;margin:0}.home-grid{display:grid;gap:14px}.large-card,.card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.large-card{padding:22px;text-align:left;display:flex;flex-direction:column;gap:8px;color:var(--ink);border:0}.large-card span{font-size:22px;font-weight:900}.large-card small{color:var(--muted);font-size:14px}.home-footer{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(92%,480px);display:flex;gap:10px;background:white;border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:var(--shadow)}.home-footer button{flex:1;border:0;background:#f4f7f3;border-radius:999px;padding:12px;font-weight:800;color:var(--dark)}.card{padding:16px;margin-bottom:16px}label{display:block;margin:12px 0 6px;font-weight:800;color:var(--dark)}.timer-bar{display:flex;align-items:center;gap:10px;background:var(--dark);color:#fff;border-radius:20px;padding:12px;margin-bottom:14px}.timer-bar span{font-weight:900;font-size:20px;margin-right:auto}.timer-bar button{border:0;border-radius:999px;padding:10px 14px;font-weight:800}.exercise-list{display:grid;gap:14px;padding-bottom:90px}.exercise-card{background:white;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px}.exercise-card h3{margin-bottom:8px}.sets-grid{display:grid;gap:8px}.set-row{display:grid;grid-template-columns:1fr 1fr auto auto;gap:8px;align-items:center}.round-btn{border:0;border-radius:12px;padding:10px;background:#eef3ed;font-weight:900}.spark{height:125px;width:100%;background:#f8faf7;border:1px solid var(--line);border-radius:16px;margin:10px 0}.chart-legend{display:flex;justify-content:center;gap:16px;font-size:12px;color:var(--muted)}.floating-footer{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);width:min(92%,480px);display:flex;align-items:center;gap:12px;background:white;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:var(--shadow)}.floating-footer strong{font-size:18px;margin-right:auto}.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:22px 0 12px}.section-title-row select{width:auto;min-width:145px}.notice{background:var(--green2);color:var(--green);font-weight:800;border-radius:14px;padding:12px;margin-top:12px}.hidden{display:none}.plans-list{display:grid;gap:12px}.plan-item{background:white;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow)}.plan-actions{display:flex;gap:8px;margin-top:12px}.plan-actions button{flex:1;border:0;border-radius:999px;padding:11px;font-weight:800}.spinner{width:44px;height:44px;border:4px solid #d8e3da;border-top-color:var(--green);border-radius:999px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.with-footer{padding-bottom:90px}