:root{--bg: #ffffff;--card-bg: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e5e7eb;--primary: #2563eb;--manual-bg: #ffffff;--manual-border: rgba(0, 0, 0, .08);--white: #ffffff;--black: #000000;--red: #E30220}body.dark{--bg: #0f172a;--card-bg: #020617;--text: #e5e7eb;--muted: #94a3b8;--border: #1e293b;--primary: #38bdf8}body.dark{--white: #020617;--black: #e5e7eb}*{box-sizing:border-box}a,a:visited,a:hover,a:active{color:inherit;text-decoration:none}body{margin:0;min-height:100vh;background:var(--bg);color:var(--black);font-family:Inter,system-ui,-apple-system,sans-serif}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{width:100%;max-width:360px;gap:10px}.app-shell{min-height:100vh;width:100%;display:flex;justify-content:center}.app-container{width:100%;max-width:420px;padding:16px;display:flex;flex-direction:column;gap:16px}@media(min-width:900px){.app-container{max-width:520px;padding:24px}}.header{width:100%;background:var(--white);border:2px solid var(--red);border-radius:14px;padding:12px 14px}.header-user{display:flex;align-items:center;justify-content:space-between;gap:12px}.header-username{font-weight:600;font-size:15px;color:var(--black);max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-logout{width:auto;padding:8px 14px;border-radius:999px;background:var(--white);border:2px solid var(--black);font-size:13px;font-weight:600;color:var(--black);cursor:pointer}.btn-logout:hover{border-color:var(--red);color:var(--red)}.top-tabs{display:flex;gap:8px;background:var(--red);padding:8px;border-radius:16px;border:2px solid var(--black)}.tab-btn{flex:1;padding:14px 10px;border-radius:12px;background:transparent;color:#fff;font-size:15px;font-weight:700;text-align:center;border:2px solid var(--black);cursor:pointer}.tab-btn:not(.active):hover{background:var(--white);color:var(--black)}.tab-btn.active{background:var(--white);color:var(--black)}.card{background:var(--white);border:2px solid var(--red);border-radius:14px;padding:16px;color:var(--black);word-break:break-word;overflow-wrap:anywhere}input,select,textarea{width:100%;padding:10px;border-radius:10px;background:var(--white);border:2px solid 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ease}.btn-edit:hover{border-color:var(--red);color:var(--red)}.card{margin-bottom:16px}.footer-card{margin-bottom:0}@keyframes cardFadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.card{animation:cardFadeUp .35s ease-out}@media(max-width:480px){.app-container{gap:12px;padding:12px}.card{margin-bottom:12px;padding:14px}.top-tabs{margin-bottom:12px}}.start-workout-card select{margin-bottom:12px}.streak-container{display:flex;align-items:center;gap:10px;margin-top:6px}.streak-fire{font-size:34px;display:inline-block;animation:fireFlicker 1.4s infinite ease-in-out;transform-origin:center bottom}.streak-count{font-size:26px;font-weight:700}@keyframes fireFlicker{0%{transform:scale(1) rotate(-2deg);filter:brightness(1)}25%{transform:scale(1.05) rotate(2deg);filter:brightness(1.1)}50%{transform:scale(.97) rotate(-1deg);filter:brightness(.95)}75%{transform:scale(1.07) rotate(1deg);filter:brightness(1.15)}to{transform:scale(1) rotate(-2deg);filter:brightness(1)}}\/* ========================= SET ADD ANIMATION ========================= */ .animate-set{animation:setPopIn .22s ease-out}@keyframes setPopIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.set-remove{animation:setShrinkOut .16s ease-in forwards}@keyframes setShrinkOut{to{opacity:0;transform:scale(.85)}}.set-enter{overflow:hidden;animation:setExpand .25s ease-out}@keyframes setExpand{0%{opacity:0;max-height:0;transform:scale(.96)}to{opacity:1;max-height:80px;transform:scale(1)}}.auth-card{margin:0 auto}.auth-card input,.auth-card button{position:relative;z-index:1}.auth-card input:not(:first-of-type),.auth-card button{margin-top:11px}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top:2px solid #ffffff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.exercise-title{color:var(--text-color)}.minimal-manual{padding:28px;border-radius:18px;background:var(--manual-bg);border:1px solid var(--manual-border);transition:.3s ease}.manual-header h3{font-size:22px;font-weight:600;margin-bottom:6px;letter-spacing:.5px}.manual-subtitle{font-size:14px;opacity:.7;margin-bottom:24px}.manual-steps{display:flex;flex-direction:column;gap:22px}.manual-step{display:flex;align-items:flex-start;gap:18px}.step-number{font-size:14px;font-weight:600;min-width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff003ce6,#c80028e6);color:#fff;letter-spacing:1px}.manual-step h4{margin:0 0 4px;font-size:16px;font-weight:600}.manual-step p{margin:0;font-size:14px;opacity:.75;line-height:1.5}.manual-step:hover{transform:translate(4px);transition:.25s ease}.dark{--manual-bg: #111827;--manual-border: rgba(255, 255, 255, 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