.css-tool-card{background:linear-gradient(135deg,#0284c70d,#0ea5e905),var(--bg-surface, #fff);border:1px solid var(--border-base, #e2e8f0);border-radius:20px;padding:1.75rem;box-shadow:0 20px 40px -15px #0284c71f;display:flex;flex-direction:column;gap:1.75rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.theme-dark .css-tool-card{background:linear-gradient(135deg,#0f172af2,#0284c71a),var(--bg-surface, #0f172a);border-color:var(--border-base, #1e293b);box-shadow:0 20px 40px -15px #00000080}.css-unit-selector{display:flex;justify-content:flex-end;align-items:center;gap:.5rem}.css-unit-btn{background:var(--bg-surface-elevated, #fff);border:1px solid var(--border-base, #94a3b8);color:var(--text-base, #1e293b);padding:.45rem 1rem;border-radius:25px;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .2s ease}.theme-dark .css-unit-btn{background:var(--bg-surface-elevated, #1e293b);border-color:var(--border-base, #475569);color:var(--text-base, #f8fafc)}.css-unit-btn:hover{border-color:var(--color-primary, #0284c7);color:var(--color-primary, #0284c7)}.css-unit-btn.active{background:linear-gradient(135deg,#0284c7,#0369a1);border-color:#0284c7;color:#fff;box-shadow:0 4px 12px #0284c74d}.css-inputs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.css-input-box{background:var(--bg-surface-elevated, #f8fafc);border:1px solid var(--border-base, #e2e8f0);border-radius:16px;padding:1.25rem;display:flex;flex-direction:column;gap:.85rem;transition:transform .2s ease,border-color .2s ease}.css-input-box:focus-within{border-color:var(--color-primary, #0284c7);transform:translateY(-2px)}.theme-dark .css-input-box{background:var(--bg-surface-elevated, #1e293b);border-color:var(--border-base, #334155)}.css-input-header{display:flex;justify-content:space-between;align-items:center}.css-input-label{font-size:.95rem;font-weight:800;color:var(--text-base, #0f172a)}.theme-dark .css-input-label{color:var(--text-base, #f8fafc)}.css-chips-row{display:flex;gap:.4rem;flex-wrap:wrap}.css-chip{background:var(--bg-surface, #fff);border:1px solid var(--border-base, #94a3b8);border-radius:8px;padding:.25rem .6rem;font-size:.75rem;font-weight:700;color:var(--text-base, #0f172a);cursor:pointer;transition:all .15s ease}.theme-dark .css-chip{background:var(--bg-surface, #0f172a);border-color:var(--border-base, #475569);color:var(--text-base, #f8fafc)}.css-chip:hover{background:var(--color-primary, #0284c7);color:#fff;border-color:#0284c7}.css-time-inputs{display:flex;align-items:center;gap:.5rem}.css-number-field{width:100%;padding:.7rem .85rem;border:1px solid var(--border-base, #cbd5e1);border-radius:10px;font-size:1.1rem;font-weight:800;background:var(--bg-surface, #fff);color:var(--text-base, #0f172a)}.theme-dark .css-number-field{background:var(--bg-surface, #0f172a);border-color:var(--border-base, #334155);color:var(--text-base, #f8fafc)}.css-time-colon{font-weight:900;font-size:1.4rem;color:var(--color-primary, #0284c7)}.css-actions{display:flex;gap:1rem}.css-btn-primary{background:linear-gradient(135deg,#0284c7,#0369a1);color:#fff;border:none;padding:.85rem 1.75rem;border-radius:12px;font-weight:800;font-size:.95rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 20px -4px #0284c766}.css-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 25px -4px #0284c780}.css-btn-secondary{background:var(--bg-surface-elevated, #f1f5f9);border:1px solid var(--border-base, #cbd5e1);color:var(--text-base, #334155);padding:.85rem 1.4rem;border-radius:12px;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .2s ease}.theme-dark .css-btn-secondary{background:var(--bg-surface-elevated, #334155);border-color:var(--border-base, #475569);color:var(--text-base, #f8fafc)}.css-results-hero{background:linear-gradient(135deg,#0284c71f,#0ea5e90a);border:2px solid var(--color-primary, #0284c7);border-radius:16px;padding:1.5rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.25rem;position:relative;transition:box-shadow .3s ease}.css-results-hero.glow-pulse{animation:hero-pulse .6s ease-out}@keyframes hero-pulse{0%{box-shadow:0 0 #0284c799}50%{box-shadow:0 0 25px 5px #0284c766}to{box-shadow:0 0 #0284c700}}.css-result-stat{display:flex;flex-direction:column;gap:.35rem}.css-stat-header{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--text-muted, #64748b)}.css-stat-value{font-size:2.2rem;font-weight:900;color:var(--color-primary, #0284c7);line-height:1}.css-stat-unit{font-size:1rem;font-weight:700;color:var(--text-muted, #64748b)}.css-gauge-bar{grid-column:1 / -1;height:8px;background:var(--border-base, #e2e8f0);border-radius:4px;overflow:hidden;position:relative;margin-top:.5rem}.css-gauge-fill{height:100%;width:65%;background:linear-gradient(90deg,#38bdf8,#0284c7,#0369a1);border-radius:4px;transition:width .5s cubic-bezier(.4,0,.2,1)}.css-matrix-section{display:flex;flex-direction:column;gap:1.25rem}.css-matrix-header{display:flex;justify-content:space-between;align-items:center}.css-copy-btn{padding:.55rem 1.1rem;font-size:.85rem;transition:all .2s ease}.css-matrix-header .css-btn-secondary.css-copy-btn.copied-active{background:#10b981;color:#fff;border-color:#10b981;box-shadow:0 4px 12px #10b9814d}.css-zones-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}.css-zone-card{background:var(--bg-surface-elevated, #f8fafc);border:1px solid var(--border-base, #e2e8f0);border-radius:16px;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem;position:relative;transition:transform .2s ease}.css-zone-card:hover{transform:translateY(-3px)}.theme-dark .css-zone-card{background:var(--bg-surface-elevated, #1e293b);border-color:var(--border-base, #334155)}.css-zone-card.aerobic{border-top:4px solid #06b6d4}.css-zone-card.css-threshold{border-top:4px solid #10b981}.css-zone-card.vo2max{border-top:4px solid #f59e0b}.css-zone-badge{align-self:flex-start;padding:.25rem .65rem;border-radius:20px;font-size:.75rem;font-weight:800;text-transform:uppercase}.aerobic .css-zone-badge{background:#06b6d426;color:#0891b2}.css-threshold .css-zone-badge{background:#10b98126;color:#059669}.vo2max .css-zone-badge{background:#f59e0b26;color:#d97706}.css-rest-tag{font-size:.75rem;font-weight:700;color:var(--text-muted, #64748b);background:var(--bg-surface, #fff);border:1px solid var(--border-base, #e2e8f0);border-radius:6px;padding:.25rem .6rem;align-self:flex-start;margin-bottom:.25rem}.theme-dark .css-rest-tag{background:var(--bg-surface, #0f172a);border-color:var(--border-base, #334155);color:var(--text-muted, #94a3b8)}.css-zone-pace-display{font-size:2rem;font-weight:900;color:var(--text-base, #0f172a);line-height:1;margin-bottom:.25rem}.theme-dark .css-zone-pace-display{color:var(--text-base, #f8fafc)}.css-splits-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem}.css-split-item{background:var(--bg-surface, #fff);border:1px solid var(--border-base, #e2e8f0);border-radius:8px;padding:.5rem;display:flex;justify-content:space-between;align-items:center}.theme-dark .css-split-item{background:var(--bg-surface, #0f172a);border-color:var(--border-base, #334155)}.css-split-label{font-size:.75rem;font-weight:700;color:var(--text-muted, #64748b)}.css-split-val{font-size:.9rem;font-weight:800;color:var(--text-base, #0f172a)}.theme-dark .css-split-val{color:var(--text-base, #f8fafc)}.css-error-box{background:#ef44441a;border:1px solid #ef4444;color:#dc2626;padding:.85rem 1.25rem;border-radius:12px;font-size:.9rem;font-weight:700}