:root{--accent: #10b981;--accent-glow: rgba(16, 185, 129, .25);--accent-subtle: rgba(16, 185, 129, .1);--gold: #f59e0b;--gold-subtle: rgba(245, 158, 11, .12);--surface-0: #09090b;--surface-1: #111113;--surface-2: #18181b;--surface-3: #1f1f23;--surface-border: #27272a;--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #71717a;--danger: #ef4444;--radius: 12px;--radius-sm: 8px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}@media (prefers-color-scheme: light){:root{--surface-0: #fafafa;--surface-1: #ffffff;--surface-2: #f4f4f5;--surface-3: #e4e4e7;--surface-border: #e4e4e7;--text-primary: #18181b;--text-secondary: #52525b;--text-muted: #a1a1aa}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--surface-0);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--surface-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--surface-1);border-bottom:1px solid var(--surface-border);padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px;position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.header-brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.1rem;letter-spacing:-.01em;cursor:pointer;-webkit-user-select:none;user-select:none}.header-brand .logo-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#059669);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;font-weight:800;box-shadow:0 0 20px var(--accent-glow)}.header-brand .logo-text{background:linear-gradient(135deg,var(--text-primary),var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-nav{display:flex;gap:4px;height:100%}.header-nav button{background:transparent;border:none;color:var(--text-secondary);padding:0 16px;height:100%;font-size:.85rem;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;position:relative;transition:color .2s;font-family:var(--font)}.header-nav button:hover{color:var(--text-primary)}.header-nav button.active{color:var(--accent)}.header-nav button.active:after{content:"";position:absolute;bottom:0;left:8px;right:8px;height:2px;background:var(--accent);border-radius:1px}.container{max-width:1280px;margin:0 auto;padding:28px 24px;flex:1}.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px;gap:16px}.page-header h1{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.page-header p{color:var(--text-secondary);font-size:.875rem;margin-top:2px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);border:none;font-weight:600;font-size:.85rem;cursor:pointer;transition:all .15s;font-family:var(--font);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#09090b;box-shadow:0 0 0 0 var(--accent-glow)}.btn-primary:hover{box-shadow:0 0 24px var(--accent-glow);transform:translateY(-1px)}.btn-primary:active{transform:scale(.97) translateY(0)}.btn-secondary{background:var(--surface-2);color:var(--text-primary);border:1px solid var(--surface-border)}.btn-secondary:hover{background:var(--surface-3);border-color:var(--text-muted)}.btn-danger{background:#ef444426;color:var(--danger);border:1px solid rgba(239,68,68,.25)}.btn-danger:hover{background:#ef444440}.btn-sm{padding:6px 14px;font-size:.8rem;border-radius:6px}.btn-icon{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:none;background:transparent;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-muted);transition:all .15s}.btn-icon:hover{background:var(--surface-2);color:var(--text-primary)}.btn:disabled{opacity:.5;pointer-events:none}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}.stat-card{background:var(--surface-1);border:1px solid var(--surface-border);border-radius:var(--radius);padding:20px 24px;display:flex;align-items:center;gap:16px;transition:border-color .2s,transform .2s}.stat-card:hover{border-color:var(--accent);transform:translateY(-2px)}.stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon.green{background:#10b9811f;color:var(--accent)}.stat-icon.gold{background:var(--gold-subtle);color:var(--gold)}.stat-icon.blue{background:#3b82f61f;color:#3b82f6}.stat-icon.purple{background:#a855f71f;color:#a855f7}.stat-value{font-size:1.75rem;font-weight:700;line-height:1.1;letter-spacing:-.02em}.stat-label{font-size:.78rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.04em}.card{background:var(--surface-1);border-radius:var(--radius);border:1px solid var(--surface-border)}.card-header{padding:16px 20px;border-bottom:1px solid var(--surface-border);display:flex;align-items:center;justify-content:space-between}.card-header h2{font-size:.9rem;font-weight:600;letter-spacing:-.01em}.card-body{padding:20px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.85rem}th{text-align:left;padding:10px 16px;font-weight:600;color:var(--text-muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--surface-border)}td{padding:12px 16px;border-bottom:1px solid var(--surface-border);color:var(--text-secondary)}tr:hover td{background:var(--surface-2)}tr:last-child td{border-bottom:none}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:600;letter-spacing:.02em}.status-badge.active{background:#10b9811f;color:var(--accent)}.status-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);font-weight:500;font-size:.85rem;cursor:pointer;margin-bottom:20px;background:none;border:none;font-family:var(--font);transition:color .15s}.back-link:hover{color:var(--accent)}.detail-header{display:flex;align-items:flex-start;gap:20px;margin-bottom:28px}.detail-avatar{width:72px;height:72px;border-radius:16px;background:linear-gradient(135deg,var(--accent),#059669);display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff;font-weight:700;flex-shrink:0;letter-spacing:-.02em;box-shadow:0 8px 30px #10b98133}.detail-info h1{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:6px}.detail-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:.85rem;color:var(--text-secondary)}.tabs{display:flex;gap:0;border-bottom:1px solid var(--surface-border);margin-bottom:24px}.tab{padding:12px 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12px;border-radius:6px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.workout-type.strength{background:#3b82f61f;color:#60a5fa}.workout-type.cardio{background:#ec48991f;color:#f472b6}.workout-type.hiit{background:var(--gold-subtle);color:var(--gold)}.workout-type.flexibility{background:#10b9811f;color:var(--accent)}.workout-type.other{background:var(--surface-2);color:var(--text-secondary)}.workout-date{font-size:.85rem;font-weight:500;color:var(--text-primary)}.workout-duration{font-size:.8rem;color:var(--text-muted)}.exercise-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px}.exercise-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface-2);border-radius:var(--radius-sm);border:1px solid var(--surface-border)}.exercise-num{width:26px;height:26px;border-radius:50%;background:var(--accent);color:#09090b;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;flex-shrink:0}.exercise-name{font-weight:500;font-size:.85rem;flex:1}.exercise-detail{font-size:.75rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.workout-notes{margin-top:14px;padding-top:12px;border-top:1px solid var(--surface-border);font-size:.82rem;color:var(--text-secondary);font-style:italic}.measurement-change-up{color:#ef4444;font-weight:500}.measurement-change-down{color:var(--accent);font-weight:500}.empty{text-align:center;padding:60px 20px}.empty-icon-wrapper{width:64px;height:64px;border-radius:16px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--text-muted)}.empty h3{font-size:1rem;font-weight:600;margin-bottom:4px}.empty p{font-size:.85rem;color:var(--text-muted);max-width:320px;margin:0 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var(--surface-border);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text-primary);font-size:.875rem;font-family:var(--font);transition:border-color .15s,box-shadow .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;padding:24px}.modal{background:var(--surface-1);border-radius:var(--radius);border:1px solid var(--surface-border);width:100%;max-width:520px;box-shadow:0 24px 80px #0006;max-height:90vh;overflow-y:auto}.modal-header{padding:20px 24px;border-bottom:1px solid var(--surface-border);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:1rem;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--surface-border);display:flex;gap:10px;justify-content:flex-end}.exercise-set-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 40px;gap:8px;align-items:center;margin-bottom:8px}.exercise-set-row input{padding:8px 12px;border:1px solid var(--surface-border);border-radius:6px;background:var(--surface-2);color:var(--text-primary);font-size:.85rem;font-family:var(--font)}.exercise-set-row input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle)}.exercise-set-row input::placeholder{color:var(--text-muted)}.add-exercise-btn{width:100%;padding:10px;border:2px dashed var(--surface-border);border-radius:var(--radius-sm);background:none;cursor:pointer;color:var(--text-muted);font-size:.85rem;font-family:var(--font);font-weight:500;transition:all .15s}.add-exercise-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-subtle)}.search-input{border:none;background:transparent;font-size:.9rem;width:100%;outline:none;color:var(--text-primary);font-family:var(--font)}.search-input::placeholder{color:var(--text-muted)}.skeleton{background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 50%,var(--surface-2) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{height:80px;margin-bottom:12px}.skeleton-stat{height:88px}.skeleton-text{height:16px;width:60%;margin-bottom:8px}.skeleton-text.short{width:40%}@media (max-width: 1024px){.stats-row{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}@media (max-width: 768px){.stats-row{grid-template-columns:repeat(2,1fr)}.form-row{grid-template-columns:1fr}.container{padding:16px}.detail-header,.page-header{flex-direction:column}.exercise-grid{grid-template-columns:1fr}}