:root{--foreground:#1a1a1a;--background:#fafafa;--border:#e5e5e5;--primary:#06c;--error:#b91c1c}@media (prefers-color-scheme:dark){:root{--foreground:#e5e5e5;--background:#1a1a1a;--border:#333}}body{color:var(--foreground);background:var(--background);font-family:system-ui,-apple-system,sans-serif}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#fff}.login-card{width:100%;max-width:400px;padding:40px 32px;text-align:center}.login-logo{display:flex;justify-content:center;margin-bottom:24px}.login-logo img{display:block;height:40px;width:auto}.login-title{font-size:1.5rem;font-weight:700;color:#1a1a1a;margin:0 0 8px;letter-spacing:-.02em}.login-subtitle{font-size:.9375rem;color:#6b7280;margin:0 0 28px;line-height:1.45}.login-form{text-align:left}.login-label{display:block;font-size:.875rem;font-weight:500;color:#1a1a1a;margin-bottom:6px}.login-input{width:100%;padding:12px 14px;font-size:1rem;color:#1a1a1a;background:#fff;border:1px solid #e5e7eb;border-radius:8px;margin-bottom:16px;box-sizing:border-box;transition:border-color .15s ease}.login-input::placeholder{color:#9ca3af}.login-input:hover{border-color:#d1d5db}.login-input:focus{border-color:#1a1a1a;outline:none;box-shadow:0 0 0 2px rgba(26,26,26,.1)}.login-error{font-size:.875rem;color:#b91c1c;margin:-8px 0 12px}.login-button{width:100%;padding:12px 20px;font-size:1rem;font-weight:500;color:#fff;background:#1a1a1a;border:none;border-radius:8px;cursor:pointer;transition:background .15s ease}.login-button:hover:not(:disabled){background:#374151}.login-button:disabled{cursor:not-allowed;opacity:.7}.login-loading{padding:24px;color:#6b7280}.form-page{max-width:720px;margin:0 auto;padding:24px}.form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.form-header h1{font-size:1.5rem;font-weight:700;color:var(--foreground);margin:0}.form-header a{font-size:14px;color:var(--primary);text-decoration:none}.form-header a:hover{text-decoration:underline}.form-intro{color:var(--foreground);opacity:.85;margin-bottom:24px;line-height:1.5}.form-section{border:1px solid var(--border);border-radius:8px;padding:24px;margin-bottom:24px;background:var(--background)}.form-group{margin-bottom:18px}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--foreground);margin-bottom:6px}.form-input,.form-select{width:100%;padding:10px 12px;font-size:1rem;color:var(--foreground);background:#fff;border:1px solid var(--border);border-radius:8px;box-sizing:border-box;transition:border-color .15s ease}.form-input:hover,.form-select:hover{border-color:#d1d5db}.form-input:focus,.form-select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px rgba(0,102,204,.15)}.form-input::placeholder{color:#9ca3af}.form-error{font-size:.875rem;color:var(--error);margin-bottom:16px}.form-submit{padding:12px 24px;font-size:1rem;font-weight:500;color:#fff;background:var(--primary);border:none;border-radius:8px;cursor:pointer;transition:background .15s ease}.form-submit:hover:not(:disabled){background:#0052a3}.form-submit:disabled{cursor:not-allowed;opacity:.7}.preview-section{margin-bottom:24px}.preview-note{font-size:14px;color:var(--foreground);opacity:.85;margin-bottom:8px}.preview-box{border:1px solid var(--border);border-radius:8px;padding:16px;background:#fff;color:#333}.actions-section{display:flex;gap:12px;flex-wrap:wrap}.btn-secondary{padding:10px 20px;font-size:1rem;color:var(--foreground);background:var(--border);border:none;border-radius:8px;cursor:pointer;transition:background .15s ease}.btn-secondary:hover{background:#d1d5db}.btn-copied{background:#059669;color:#fff}.help-details{margin-top:32px;padding:20px;border:1px solid var(--border);border-radius:8px}.help-details summary{cursor:pointer;font-weight:600;color:var(--foreground)}.help-details ol{margin-top:12px;padding-left:20px;line-height:1.8;color:var(--foreground)}