:root{--fi-bg-primary: #1a1f2e;--fi-bg-secondary: #141820;--fi-bg-tertiary: #242a3a;--fi-text-primary: #dff0e4;--fi-text-secondary: #7ecba1;--fi-text-tertiary: #4a5568;--fi-accent: #4ade80;--fi-accent-hover: #22c55e;--fi-accent-muted: rgba(74, 222, 128, .15);--fi-warning: #f59e0b;--fi-danger: #ef4444;--fi-font-display: "DM Serif Display", Georgia, serif;--fi-font-body: "DM Sans", "Helvetica Neue", sans-serif;--fi-font-mono: "JetBrains Mono", "Courier New", monospace;--fi-radius-sm: 4px;--fi-radius-md: 8px;--fi-radius-lg: 12px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--fi-font-body);background:var(--fi-bg-primary);color:var(--fi-text-primary);line-height:1.5}.container{max-width:560px;margin:48px auto;padding:0 20px}.subtitle{font-family:var(--fi-font-body);color:var(--fi-text-secondary);margin-bottom:36px;font-size:1rem}.form{display:flex;flex-direction:column;gap:20px}.field{display:flex;flex-direction:column;gap:6px}label{font-size:.875rem;font-weight:500;color:var(--fi-text-secondary);font-family:var(--fi-font-body)}.optional{font-weight:400;color:var(--fi-text-tertiary)}input[type=number],select{padding:10px 12px;border:1px solid var(--fi-bg-tertiary);border-radius:var(--fi-radius-md);font-size:1rem;font-family:var(--fi-font-body);background:var(--fi-bg-secondary);color:var(--fi-text-primary);width:100%;transition:border-color .15s ease}input[type=number]:focus,select:focus{outline:none;border-color:var(--fi-accent)}select option{background:var(--fi-bg-secondary);color:var(--fi-text-primary)}.toggle{display:flex;gap:8px}.toggle button{padding:10px 24px;border:1px solid var(--fi-bg-tertiary);border-radius:var(--fi-radius-md);background:var(--fi-bg-secondary);color:var(--fi-text-secondary);cursor:pointer;font-size:1rem;font-family:var(--fi-font-body);transition:all .15s ease}.toggle button:hover{border-color:var(--fi-accent);color:var(--fi-text-primary)}.toggle button.active{background:var(--fi-accent);color:#0f1a12;border-color:var(--fi-accent);font-weight:500}.time-inputs{display:flex;align-items:center;gap:8px}.time-inputs input{width:90px}.time-sep{font-size:1.25rem;color:var(--fi-text-tertiary)}.submit{padding:12px;background:var(--fi-accent);color:#0f1a12;border:none;border-radius:var(--fi-radius-md);font-size:1rem;font-weight:600;font-family:var(--fi-font-body);cursor:pointer;margin-top:4px;transition:background .15s ease}.submit:hover:not(:disabled){background:var(--fi-accent-hover)}.submit:disabled{opacity:.4;cursor:not-allowed}.error{margin-top:24px;color:var(--fi-danger);font-size:.9rem}.results{margin-top:40px;display:flex;flex-direction:column;gap:12px}.card{padding:20px;background:var(--fi-bg-secondary);border-radius:var(--fi-radius-lg);border:1px solid rgba(74,222,128,.08)}.card-label{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--fi-text-secondary);font-family:var(--fi-font-body);margin-bottom:8px}.card-percentile{font-size:2.75rem;font-weight:500;line-height:1;margin-bottom:6px;font-family:var(--fi-font-mono);color:var(--fi-accent)}.card-context{font-size:.875rem;color:var(--fi-text-secondary);font-family:var(--fi-font-body)}.card-sample{color:var(--fi-text-tertiary)}.card-unavailable{color:var(--fi-text-tertiary);font-style:italic;font-size:.95rem;font-family:var(--fi-font-body)}