:root{color-scheme:dark;--bg: #08080c;--bg-soft: #0e0e15;--surface: #14141e;--surface-2: #1c1c28;--surface-3: #252532;--border: rgba(255, 255, 255, .07);--border-strong: rgba(255, 255, 255, .14);--text: #f4f4f6;--text-2: #a0a0b2;--text-3: #606072;--accent: #c8f031;--accent-strong: #a6d911;--accent-ink: #0a0a0f;--accent-soft: rgba(200, 240, 49, .1);--orange: #ff7a45;--orange-soft: rgba(255, 122, 69, .1);--success: #3ddc97;--success-soft: rgba(61, 220, 151, .1);--danger: #ff5c5c;--danger-soft: rgba(255, 92, 92, .1);--radius: 16px;--radius-sm: 10px;--radius-xs: 8px;--shadow: 0 8px 32px rgba(0, 0, 0, .5);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Space Grotesk", "Inter", sans-serif}[data-theme=light]{color-scheme:light;--bg: #f4f5f7;--bg-soft: #ebedf0;--surface: #ffffff;--surface-2: #f0f1f4;--surface-3: #e0e2e7;--border: rgba(15, 15, 20, .07);--border-strong: rgba(15, 15, 20, .14);--text: #1a1a1f;--text-2: 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svg{width:18px;height:18px;flex-shrink:0}.nav-link:hover{background:var(--surface);color:var(--text)}.nav-link.active{background:var(--accent);color:var(--accent-ink);font-weight:700;box-shadow:0 2px 12px #c8f03133}.sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}.avatar{width:36px;height:36px;border-radius:50%;background:var(--surface-3);display:grid;place-items:center;font-weight:700;font-size:13px;color:var(--text);flex-shrink:0;letter-spacing:-.02em}.user-meta{min-width:0;flex:1}.user-name{font-weight:600;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:11.5px;color:var(--text-3)}.logout-btn{background:none;border:none;color:var(--text-3);padding:8px;border-radius:var(--radius-xs);display:grid;place-items:center;flex-shrink:0;transition:background .12s,color .12s}.logout-btn:hover{background:var(--danger-soft);color:var(--danger)}.logout-btn 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var(--border-strong);border-radius:14px;padding:14px 20px;font-weight:600;font-size:14px;box-shadow:var(--shadow);animation:toast-in .25s cubic-bezier(.16,1,.3,1);max-width:360px;width:max-content;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.toast-success{border-left:3px solid var(--success);color:var(--success)}.toast-error{border-left:3px solid var(--danger);color:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.spinner{width:24px;height:24px;border:3px solid var(--surface-3);border-top-color:var(--accent);border-radius:50%;animation:spin .65s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.center{display:grid;place-items:center;min-height:40vh}.row{display:flex;align-items:center;gap:10px}.grow{flex:1}.wrap{flex-wrap:wrap}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.divider{height:1px;background:var(--border);margin:16px 0}.train-header{position:sticky;top:0;z-index:30;background:var(--bg);padding:4px 0 14px;margin-bottom:16px}.train-title{font-family:var(--font-display);font-weight:700;font-size:17px;line-height:1.2}.train-sub{font-size:12.5px;color:var(--text-3)}.train-pct{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--accent)}.progress-bar{margin-top:10px;height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent-strong),var(--accent));transition:width .3s 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var(--border-strong);background:var(--surface-2);color:var(--text);font-size:20px;line-height:1;font-weight:700;display:grid;place-items:center;flex-shrink:0;transition:background .12s ease,transform .08s ease,border-color .12s ease}.stepper-btn:hover{background:var(--surface-3);border-color:var(--text-3)}.stepper-btn:active{transform:scale(.9)}.stepper-value{min-width:64px;display:flex;flex-direction:column;align-items:center;line-height:1.1}.stepper-num{font-family:var(--font-display);font-size:24px;font-weight:700}.stepper-unit{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}.done-btn{flex-shrink:0;width:64px;height:64px;border-radius:16px;border:2px solid var(--accent);background:transparent;color:var(--accent);font-weight:800;font-size:13px;display:grid;place-items:center;transition:background .15s ease,color .15s ease,transform .08s ease,box-shadow .15s ease}.done-btn.on{background:var(--accent);color:var(--accent-ink);box-shadow:0 2px 16px #c8f0314d}.done-btn:active{transform:scale(.9)}.rest-bar{position:fixed;left:16px;right:16px;bottom:24px;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border:1.5px solid var(--accent);border-radius:18px;padding:14px 20px;box-shadow:var(--shadow),0 0 20px 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var(--border);border-radius:var(--radius-sm);padding:18px 20px;transition:box-shadow .2s ease,transform .15s ease}.pr-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-1px)}.pr-name{font-weight:600;font-size:14px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pr-value{font-family:var(--font-display);font-size:28px;font-weight:700;color:var(--accent)}.pr-meta{font-size:12px;color:var(--text-3);margin-top:3px}.library-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;max-height:50vh;overflow-y:auto}.library-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;transition:background .12s}.library-item:hover{background:var(--surface-3)}.video-wrap{position:relative;width:100%;padding-top:56.25%;margin-bottom:16px;border-radius:var(--radius);overflow:hidden;background:#000;box-shadow:var(--shadow-sm)}.video-wrap iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.guide-desc{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px}.info-tip{position:relative;display:inline-flex;align-items:center;justify-content:center;cursor:help;color:var(--text-3);outline:none;flex-shrink:0}.tip-icon{width:16px;height:16px}.info-tip:hover .tip-icon,.info-tip:focus-visible .tip-icon{color:var(--accent)}.tip-bubble{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(4px);width:max-content;max-width:260px;background:var(--surface-3);color:var(--text);border:1px solid var(--border-strong);border-radius:12px;padding:10px 14px;font-size:12.5px;font-weight:500;line-height:1.45;text-align:left;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:80}.tip-bubble:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:var(--surface-3)}.info-tip:hover .tip-bubble,.info-tip:focus-visible .tip-bubble{opacity:1;transform:translate(-50%) translateY(0)}.period-picker{display:inline-flex;flex-wrap:wrap;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:4px}.period-btn{border:none;background:transparent;color:var(--text-2);font-weight:600;font-size:13px;padding:7px 14px;border-radius:10px;transition:background .12s ease,color .12s ease}.period-btn:hover{color:var(--text)}.period-btn.active{background:var(--accent);color:var(--accent-ink);box-shadow:0 1px 6px #c8f03126}.section-title{display:flex;align-items:center;gap:8px;margin-bottom:16px}.section-title h2{margin-bottom:0}.bottom-nav{display:none}.hamburger-btn{display:none;background:none;border:none;color:var(--text-2);cursor:pointer;padding:6px;border-radius:8px;transition:background .15s ease}.hamburger-btn:hover{background:var(--surface)}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0006;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fade-in .2s ease}.drawer{position:absolute;left:0;top:0;bottom:0;width:280px;max-width:85vw;background:var(--bg-soft);border-right:1px solid var(--border);display:flex;flex-direction:column;animation:drawer-slide-in .25s cubic-bezier(.16,1,.3,1);overflow-y:auto}.drawer-header{padding:20px 14px 12px;border-bottom:1px solid var(--border)}.drawer-nav{flex:1;padding:8px 14px;display:flex;flex-direction:column;gap:2px}.drawer-footer{padding:12px 14px;border-top:1px solid var(--border)}@keyframes drawer-slide-in{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@media(max-width:860px){.sidebar{display:none}.hamburger-btn,.topbar{display:flex}.bottom-nav{display:none}.main{padding:20px 16px 80px;padding-bottom:calc(80px + env(safe-area-inset-bottom))}.row{flex-wrap:wrap}.set-row{grid-template-columns:34px 1fr}.set-cell-kg{grid-column:2}input,select,textarea,.input,.set-input{font-size:16px}.modal-backdrop{padding:0;align-items:flex-end}.modal{max-width:none;max-height:92vh;border-radius:20px 20px 0 0;margin:0;animation:modal-sheet-in .25s cubic-bezier(.16,1,.3,1)}.toast-wrap{left:16px;right:16px;align-items:stretch}.toast{max-width:none;width:auto}.tip-bubble{display:none}.train-set-controls{display:flex;flex-direction:column;gap:10px}.train-set-controls .stepper{width:100%}.train-set-controls .stepper-controls{justify-content:space-between;padding:0 4px}.train-set-controls .stepper-btn{width:42px;height:42px;flex-shrink:0}.train-set-controls .stepper-value{min-width:60px}.train-set-controls .stepper-unit{display:none}.train-set-controls .done-btn{width:100%;height:48px;border-radius:12px;font-size:14px}.train-set{padding:14px 16px}.stepper-btn{width:44px;height:44px}.stepper-num{font-size:20px}.stepper-value{min-width:52px}.train-ex-head{flex-wrap:wrap;gap:8px}.rest-bar{left:12px;right:12px;bottom:calc(24px + env(safe-area-inset-bottom));padding:12px 16px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.stat-card{padding:16px}.stat-value{font-size:28px}.auth-card{border-radius:18px;padding:28px 24px}.page-title{font-size:22px}}@keyframes modal-sheet-in{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}